********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709556/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:51:15.423629', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094675.42', return_code='0', job_id='31709556', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:51:15 PDT 2026 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709558/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:51:18.492001', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094678.49', return_code='0', job_id='31709558', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:51:18 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709434/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709566/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.76 FROM HESSE STATUS=OK 664 CALLS 3575 TOTAL EDM= .38E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .15466 .20064E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 6.2969 5.1896 .40060E-03 -1.5658 3 Prefactor 1.0786 9.8914 .11872E-02 -1.5687 4 Prefactor .0000 2.1893 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 4.3975 6.1241 .48111E-03 -1.5666 6 Prefactor .55511E-10 41.935 .14563E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .21695E-05 18.998 .20729E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 3.2986 1.8866 .55726E-03 -1.5672 9 norm 3.9655 2.6800 .50609E-03 -1.5668 10 Prefactor 5.3925 7.6734 .43290E-03 -1.5662 11 Prefactor .0000 16.093 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 1.9853 3.0574 .73476E-03 -1.5680 13 norm .0000 2.4330 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 13.335 10.516 .27387E-03 -1.5635 15 Prefactor .55511E-10 8.8651 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 44.034 43.992 .14967E-03 -1.5575 17 norm 5.6784 2.0828 .42144E-03 -1.5660 18 norm 2.9427 1.5452 .59184E-03 -1.5674 19 norm .0000 1.4724 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 4.9280 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor .91874 24.451 .45081E-03 -1.5689 22 Prefactor .63805 6.8093 .66151E-03 -1.5692 23 norm 6.8973 1.4582 .38176E-03 -1.5655 24 norm 12.238 24.218 .28628E-03 -1.5638 25 norm .44964E-08 43.115 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 26 Prefactor .0000 7.6474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 1.0896 2.4903 .11452E-02 -1.5687 28 norm .0000 1.2620 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Normalizat .76930 .14305 .97806E-01 -1.0122 30 Prefactor 1.1440 .64633E-01 .36114E-01 -.88074 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.83789e-06 Minuit parameter uncertainties: 1 3.28266e-07 2 5.18963 3 6.53254 4 1.07187e-06 5 6.12415 6 0.000106576 7 0.01284 8 1.88664 9 2.68003 10 7.67342 11 5.29349e-06 12 3.05742 13 1.79985e-06 14 10.5163 15 3.50749e-05 16 43.9924 17 2.08281 18 1.54524 19 4.29313e-07 20 6.10024e-07 21 9.47926 22 4.16879 23 1.45824 24 24.2177 25 0.000880982 26 1.9141e-05 27 2.49032 28 5.69832e-07 29 0.143115 30 0.0646372 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 /sdf/group/fermi/u/kocevski/software/conda/envs/fermitools_v1.0.5/lib/python2.7/site-packages/pyfits/__init__.py:22: PyFITSDeprecationWarning: PyFITS is deprecated, please use astropy.io.fits PyFITSDeprecationWarning) # noqa ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 Likelihood Analysis Tool Support Contact: Daniel Kocevski (daniel.kocevski@nasa.gov) Importing modules... This is make3FGLxml version 01r0. The default diffuse model files and names are for pass 8 and assume you have v10r00p05 of the Fermi Science Tools or higher. This is make4FGLDR3xml version 01r09. The default diffuse model files and names are for P8R3, 4FGL DRs, and the default fermitools directory locations. WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709434/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:51:40.408197', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094700.41', return_code='0', job_id='31709434', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:51:40 PDT 2026 /sdf/group/fermi/u/kocevski/software/conda/envs/fermitools_v1.0.5/lib/python2.7/site-packages/matplotlib/cbook/deprecation.py:106: MatplotlibDeprecationWarning: The mpl_toolkits.axes_grid module was deprecated in version 2.1. Use mpl_toolkits.axes_grid1 and mpl_toolkits.axisartist provies the same functionality instead. warnings.warn(message, mplDeprecation, stacklevel=1) shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709566/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:51:41.008043', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094701.01', return_code='0', job_id='31709566', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:51:41 PDT 2026 WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709456/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 6537_daily_bin2174.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31709826/Model_4FGL_J1848.5+6537_daily_bin2174.xml irfs="P8R3_SOURCE_V2" evclsmin=0 evclass="INDEF" evtype="INDEF" convert=yes chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). adding source EG_v02 adding source FHES J2129.9+5833 adding source FHES J2208.4+6443 adding source GAL_V02 adding source HB 21 Working on... /lscratch/kocevski/31709826/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits.....................! real 93.35 user 91.36 sys 0.98 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31709826/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits', '/lscratch/kocevski/31709826/ft2_4FGL_J1848.5+6537_daily_bin2174.fits', expMap='/lscratch/kocevski/31709826/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', expCube='/lscratch/kocevski/31709826/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31709826/Model_4FGL_J1848.5+6537_daily_bin2174.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1848.5+6537' 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 3.482e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31709826/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits Spacecraft file(s): /lscratch/kocevski/31709826/ft2_4FGL_J1848.5+6537_daily_bin2174.fits Exposure map: /lscratch/kocevski/31709826/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits Exposure cube: /lscratch/kocevski/31709826/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31709826/Model_4FGL_J1848.5+6537_daily_bin2174.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7794231 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7657287 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .11086E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 6.2713 1.0000 .0000 .10000E+07 3 'Prefactor ' 1.0619 1.0000 .0000 .10000E+07 4 'Prefactor ' .48143E-03 1.0000 .0000 .10000E+07 5 'Prefactor ' 4.3781 1.0000 .0000 .10000E+07 6 'Prefactor ' .77995E-01 1.0000 .0000 .10000E+07 7 'Prefactor ' .67303 1.0000 .0000 .10000E+07 8 'norm ' 3.2978 1.0000 .0000 .10000E+07 9 'norm ' 3.9683 1.0000 .0000 .10000E+07 10 'Prefactor ' 5.3831 1.0000 .0000 .10000E+07 11 'Prefactor ' .49545E-02 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.9873 1.0000 .0000 .10000E+07 13 'norm ' .66994E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 13.352 1.0000 .0000 .10000E+07 15 'Prefactor ' .72737E-03 1.0000 .0000 .10000E+07 16 'Prefactor ' 44.646 1.0000 .0000 .10000E+07 17 'norm ' 5.6748 1.0000 .0000 .10000E+07 18 'norm ' 2.9425 1.0000 .0000 .10000E+07 19 'norm ' .14717E-03 1.0000 .0000 .10000E+07 20 'norm ' .54833E-03 1.0000 .0000 .10000E+07 21 'Prefactor ' .90985 1.0000 .shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709456/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:52:01.961998', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094721.96', return_code='0', job_id='31709456', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:52:02 PDT 2026 ********** ** 18 **HESSE ********** FCN= 21863.76 FROM HESSE STATUS=OK 664 CALLS 3575 TOTAL EDM= .38E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .15466 .20064E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 6.2969 5.1896 .40060E-03 -1.5658 3 Prefactor 1.0786 9.8914 .11872E-02 -1.5687 4 Prefactor .0000 2.1893 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 4.3975 6.1241 .48111E-03 -1.5666 6 Prefactor .55511E-10 41.935 .14563E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .21695E-05 18.998 .20729E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 3.2986 1.8866 .55726E-03 -1.5672 9 norm 3.9655 2.6800 .50609E-03 -1.5668 10 Prefactor 5.3925 7.6734 .43290E-03 -1.5662 11 Prefactor .0000 16.093 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 1.9853 3.0574 .73476E-03 -1.5680 13 norm .0000 2.4330 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 13.335 10.516 .27387E-03 -1.5635 15 Prefactor .55511E-10 8.8651 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 44.034 43.992 .14967E-03 -1.5575 17 norm 5.6784 2.0828 .42144E-03 -1.5660 18 norm 2.9427 1.5452 .59184E-03 -1.5674 19 norm .0000 1.4724 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 4.9280 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor .91874 24.451 .45081E-03 -1.5689 22 Prefactor .63805 6.8093 .66151E-03 -1.5692 23 norm 6.8973 1.4582 .38176E-03 -1.5655 24 norm 12.238 24.218 .28628E-03 -1.5638 25 norm .44964E-08 43.115 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 26 Prefactor .0000 7.6474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 1.0896 2.4903 .11452E-02 -1.5687 28 norm .0000 1.2620 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Normalizat .76930 .14305 .97806E-01 -1.0122 30 Prefactor 1.1440 .64633E-01 .36114E-01 -.88074 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.83789e-06 Minuit parameter uncertainties: 1 3.28266e-07 2 5.18963 3 6.53254 4 1.07187e-06 5 6.12415 6 0.000106576 7 0.01284 8 1.88664 9 2.68003 10 7.67342 11 5.29349e-06 12 3.05742 13 1.79985e-06 14 10.5163 15 3.50749e-05 16 43.9924 17 2.08281 18 1.54524 19 4.29313e-07 20 6.10024e-07 21 9.47926 22 4.16879 23 1.45824 24 24.2177 25 0.000880982 26 1.9141e-05 27 2.49032 28 5.69832e-07 29 0.143115 30 0.0646372 0000 .10000E+07 22 'Prefactor ' .63498 1.0000 .0000 .10000E+07 23 'norm ' 6.8981 1.0000 .0000 .10000E+07 24 'norm ' 12.222 1.0000 .0000 .10000E+07 25 'norm ' .40962E-04 1.0000 .0000 .10000E+07 26 'Prefactor ' .27056E-06 1.0000 .0000 .10000E+07 27 'norm ' 1.0904 1.0000 .0000 .10000E+07 28 'norm ' .63815E-04 1.0000 .0000 .10000E+07 29 'Normalizat' .76921 1.0000 .10000E-01 10.000 30 'Prefactor ' 1.1440 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 21863.76 FROM MIGRAD STATUS=CONVERGED 223 CALLS 2911 TOTAL EDM= .66E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .0000 .32119 -.10952E-07** at limit ** 2 Prefactor 6.2969 5.1373 .14928E-07 .10798E-02 3 Prefactor 1.0786 9.3644 .11038E-06 .39401E-03 4 Prefactor .0000 2.1984 .66174E-08** at limit ** 5 Prefactor 4.3975 6.0991 -.17696E-07 .30297E-03 6 Prefactor .55511E-10 42.503 .36007E-06** at limit ** 7 Prefactor .21695E-05 551.55 -.16781E-05** at limit ** 8 norm 3.2986 1.8783 -.14254E-07 -.12287E-02 9 norm 3.9655 2.6610 -.12888E-07 -.86780E-03 10 Prefactor 5.3925 7.6653 .12203E-06 .37771E-02 11 Prefactor .0000 16.082 -.76757E-07** at limit ** 12 Prefactor 1.9853 3.0281 -.23421E-07 -.47974E-03 13 norm .0000 2.4365 -.12937E-07** at limit ** 14 Prefactor 13.335 10.515 -.88431E-07 -.46266E-02 15 Prefactor .55511E-10 8.8993 .23972E-07** at limit ** 16 Prefactor 44.034 42.750 .44133E-06 -.26181E-01 17 norm 5.6784 2.0767 .72625E-09 .66576E-03 18 norm 2.9427 1.5431 -.82120E-08 -.89167E-03 19 norm .0000 1.4780 -.12139E-08** at limit ** 20 norm .0000 4.9236 .14938E-07** at limit ** 21 Prefactor .91874 2.3586 .16404E-06 .72565E-01 22 Prefactor .63805 6.4735 -.35751E-07 -.43785E-03 23 norm 6.8973 1.4490 -.18804E-07 -.54965E-02 24 norm 12.238 1.3795 .19869E-07 .13418E-01 25 norm .44964E-08 43.639 .42915E-06** at limit ** 26 Prefactor .0000 7.6500 .50867E-07** at limit ** 27 norm 1.0896 2.3849 .35797E-07 .62909E-03 28 norm .0000 1.2607 -.99275E-08** at limit ** 29 Normalizat .76930 .15138 .16713E-07 -.94009E-05 30 Prefactor 1.1440 .69948E-01 -.23829E-07 -.14994E-04 ERR DEF= .500 Final values: norm = 0 Prefactor = 6.29693 Prefactor = 1.07856 Prefactor = 0 Prefactor = 4.39748 Prefactor = 5.55112e-11 Prefactor = 2.16954e-06 norm = 3.29857 norm = 3.96548 Prefactor = 5.39251 Prefactor = 0 Prefactor = 1.98527 norm = 0 Prefactor = 13.3355 Prefactor = 5.55112e-11 Prefactor = 44.0344 norm = 5.67843 norm = 2.94268 norm = 0 norm = 0 Prefactor = 0.918739 Prefactor = 0.638047 norm = 6.89734 norm = 12.238 norm = 4.4964e-09 Prefactor = 0 norm = 1.08958 norm = 0 Normalizat = 0.769302 Prefactor = 1.14396 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709467/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709467/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:53:01.311831', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094781.31', return_code='0', job_id='31709467', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:53:01 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709590/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709590/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:53:38.899136', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094818.9', return_code='0', job_id='31709590', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:53:39 PDT 2026 6537_daily_bin2174.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31709970/Model_4FGL_J1848.5+6537_daily_bin2174.xml irfs="P8R3_SOURCE_V2" evclsmin=0 evclass="INDEF" evtype="INDEF" convert=yes chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). adding source EG_v02 adding source FHES J2129.9+5833 adding source FHES J2208.4+6443 adding source GAL_V02 adding source HB 21 Working on... /lscratch/kocevski/31709970/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits.....................! real 88.84 user 87.20 sys 0.71 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31709970/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits', '/lscratch/kocevski/31709970/ft2_4FGL_J1848.5+6537_daily_bin2174.fits', expMap='/lscratch/kocevski/31709970/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', expCube='/lscratch/kocevski/31709970/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31709970/Model_4FGL_J1848.5+6537_daily_bin2174.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1848.5+6537' 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 3.482e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31709970/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits Spacecraft file(s): /lscratch/kocevski/31709970/ft2_4FGL_J1848.5+6537_daily_bin2174.fits Exposure map: /lscratch/kocevski/31709970/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits Exposure cube: /lscratch/kocevski/31709970/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31709970/Model_4FGL_J1848.5+6537_daily_bin2174.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7794231 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7657287 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .11086E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 6.2713 1.0000 .0000 .10000E+07 3 'Prefactor ' 1.0619 1.0000 .0000 .10000E+07 4 'Prefactor ' .48143E-03 1.0000 .0000 .10000E+07 5 'Prefactor ' 4.3781 1.0000 .0000 .10000E+07 6 'Prefactor ' .77995E-01 1.0000 .0000 .10000E+07 7 'Prefactor ' .67303 1.0000 .0000 .10000E+07 8 'norm ' 3.2978 1.0000 .0000 .10000E+07 9 'norm ' 3.9683 1.0000 .0000 .10000E+07 10 'Prefactor ' 5.3831 1.0000 .0000 .10000E+07 11 'Prefactor ' .49545E-02 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.9873 1.0000 .0000 .10000E+07 13 'norm ' .66994E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 13.352 1.0000 .0000 .10000E+07 15 'Prefactor ' .72737E-03 1.0000 .0000 .10000E+07 16 'Prefactor ' 44.646 1.0000 .0000 .10000E+07 17 'norm ' 5.6748 1.0000 .0000 .10000E+07 18 'norm ' 2.9425 1.0000 .0000 .10000E+07 19 'norm ' .14717E-03 1.0000 .0000 .10000E+07 20 'norm ' .54833E-03 1.0000 .0000 .10000E+07 21 'Prefactor ' .90985 1.0000 .Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709772/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 number of points = 7448 number of fields = 31 RA_SUN column already exists. File will not be modified. shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. Performing analysis on: 4FGL_J1848.5+6537_daily_bin2174 RA = 282.133, Dec = 65.6313 tmin = 802828801, tmax = 803088001 emin = 100.0, emax = 100000.0 irfs = P8R3_SOURCE_V2 ROI = 12 zmax = 90 Fitting strategies: Fix sources to their catalog values = True Leave variable source normalizations free = True Perform pre-fit where ALL sources are frozen to catalog values = False Perform secondary fit with a free spectral index = True Remove all catalog sources = False Remove weak (TS < 2) catalog sources = False Freeze Galactic component = False Likelihood fit parameters: Statistic: UNBINNED Optimizer: MINUIT Catalog: 4FGL Repository job = True LAT data source: Data catalog Updating database... UPDATE lightcurve_data_v2 SET job_id='31710632', job_status='RUN', time_executed='2026-07-14 22:51:50.377913', time_epoch_executed='1784094710.38' WHERE source_name='4FGL J1848.5+6537' and cadence='daily' and bin_id='2174' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31710632 Creating custom pfile directory: /lscratch/kocevski/31710632/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=802828801.0 && nMetStart<803088001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=802828801.0 && nMetStart<803088001.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31710632/ft1_4FGL_J1848.5+6537_daily_bin2174.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=802828801.0 && nMetStart<803088001.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31710632/ft1_4FGL_J1848.5+6537_daily_bin2174.fits outfile=/lscratch/kocevski/31710632/ft1_filteredMKT_4FGL_J1848.5+6537_daily_bin2174.fits ra=282.133 dec=65.6313 rad=12.0 tmin=802828801.0 tmax=803088001.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 2.33 user 1.53 sys 0.16 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits sctable="SC_DATA" filter="IN_SAA!=T && LIVETIME>0 && gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nogrb.gti',(START+STOP)/2) && (angsep(RA_SUN,DEC_SUN,RA_ZENITH,DEC_ZENITH)>115 || gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nosolarflares.gti',(START+STOP)/2))" roicut=no evfile=/lscratch/kocevski/31710632/ft1_filteredMKT_4FGL_J1848.5+6537_daily_bin2174.fits evtable="EVENTS" outfile="/lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits" apply_filter=yes overwrite=yes header_obstimes=yes tstart=0.0 tstop=0.0 gtifile="default" chatter=3 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtmktime version HEAD Applying GTI filter: IN_SAA!=T && LIVETIME>0 && gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nogrb.gti',(START+STOP)/2) && (angsep(RA_SUN,DEC_SUN,RA_ZENITH,DEC_ZENITH)>115 || gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nosolarflares.gti',(START+STOP)/2)) real 1.68 user 0.20 sys 0.11 Number of photons that the gtmktime cut: 2155 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits sctable="SC_DATA" oDone. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709772/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:53:53.667917', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094833.67', return_code='0', job_id='31709772', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:53:53 PDT 2026 6537_daily_bin2174.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31709987/Model_4FGL_J1848.5+6537_daily_bin2174.xml irfs="P8R3_SOURCE_V2" evclsmin=0 evclass="INDEF" evtype="INDEF" convert=yes chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). adding source EG_v02 adding source FHES J2129.9+5833 adding source FHES J2208.4+6443 adding source GAL_V02 adding source HB 21 Working on... /lscratch/kocevski/31709987/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits.....................! real 88.49 user 86.49 sys 1.08 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31709987/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits', '/lscratch/kocevski/31709987/ft2_4FGL_J1848.5+6537_daily_bin2174.fits', expMap='/lscratch/kocevski/31709987/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', expCube='/lscratch/kocevski/31709987/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31709987/Model_4FGL_J1848.5+6537_daily_bin2174.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1848.5+6537' 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 3.482e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31709987/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits Spacecraft file(s): /lscratch/kocevski/31709987/ft2_4FGL_J1848.5+6537_daily_bin2174.fits Exposure map: /lscratch/kocevski/31709987/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits Exposure cube: /lscratch/kocevski/31709987/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31709987/Model_4FGL_J1848.5+6537_daily_bin2174.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7794231 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7657287 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .11086E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 6.2713 1.0000 .0000 .10000E+07 3 'Prefactor ' 1.0619 1.0000 .0000 .10000E+07 4 'Prefactor ' .48143E-03 1.0000 .0000 .10000E+07 5 'Prefactor ' 4.3781 1.0000 .0000 .10000E+07 6 'Prefactor ' .77995E-01 1.0000 .0000 .10000E+07 7 'Prefactor ' .67303 1.0000 .0000 .10000E+07 8 'norm ' 3.2978 1.0000 .0000 .10000E+07 9 'norm ' 3.9683 1.0000 .0000 .10000E+07 10 'Prefactor ' 5.3831 1.0000 .0000 .10000E+07 11 'Prefactor ' .49545E-02 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.9873 1.0000 .0000 .10000E+07 13 'norm ' .66994E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 13.352 1.0000 .0000 .10000E+07 15 'Prefactor ' .72737E-03 1.0000 .0000 .10000E+07 16 'Prefactor ' 44.646 1.0000 .0000 .10000E+07 17 'norm ' 5.6748 1.0000 .0000 .10000E+07 18 'norm ' 2.9425 1.0000 .0000 .10000E+07 19 'norm ' .14717E-03 1.0000 .0000 .10000E+07 20 'norm ' .54833E-03 1.0000 .0000 .10000E+07 21 'Prefactor ' .90985 1.0000 . ********** ** 18 **HESSE ********** FCN= 21863.76 FROM HESSE STATUS=OK 664 CALLS 3575 TOTAL EDM= .38E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .15466 .20064E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 6.2969 5.1896 .40060E-03 -1.5658 3 Prefactor 1.0786 9.8914 .11872E-02 -1.5687 4 Prefactor .0000 2.1893 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 4.3975 6.1241 .48111E-03 -1.5666 6 Prefactor .55511E-10 41.935 .14563E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .21695E-05 18.998 .20729E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 3.2986 1.8866 .55726E-03 -1.5672 9 norm 3.9655 2.6800 .50609E-03 -1.5668 10 Prefactor 5.3925 7.6734 .43290E-03 -1.5662 11 Prefactor .0000 16.093 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 1.9853 3.0574 .73476E-03 -1.5680 13 norm .0000 2.4330 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 13.335 10.516 .27387E-03 -1.5635 15 Prefactor .55511E-10 8.8651 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 44.034 43.992 .14967E-03 -1.5575 17 norm 5.6784 2.0828 .42144E-03 -1.5660 18 norm 2.9427 1.5452 .59184E-03 -1.5674 19 norm .0000 1.4724 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 4.9280 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor .91874 24.451 .45081E-03 -1.5689 22 Prefactor .63805 6.8093 .66151E-03 -1.5692 23 norm 6.8973 1.4582 .38176E-03 -1.5655 24 norm 12.238 24.218 .28628E-03 -1.5638 25 norm .44964E-08 43.115 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 26 Prefactor .0000 7.6474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 1.0896 2.4903 .11452E-02 -1.5687 28 norm .0000 1.2620 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Normalizat .76930 .14305 .97806E-01 -1.0122 30 Prefactor 1.1440 .64633E-01 .36114E-01 -.88074 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.83789e-06 Minuit parameter uncertainties: 1 3.28266e-07 2 5.18963 3 6.53254 4 1.07187e-06 5 6.12415 6 0.000106576 7 0.01284 8 1.88664 9 2.68003 10 7.67342 11 5.29349e-06 12 3.05742 13 1.79985e-06 14 10.5163 15 3.50749e-05 16 43.9924 17 2.08281 18 1.54524 19 4.29313e-07 20 6.10024e-07 21 9.47926 22 4.16879 23 1.45824 24 24.2177 25 0.000880982 26 1.9141e-05 27 2.49032 28 5.69832e-07 29 0.143115 30 0.0646372 0000 .10000E+07 22 'Prefactor ' .63498 1.0000 .0000 .10000E+07 23 'norm ' 6.8981 1.0000 .0000 .10000E+07 24 'norm ' 12.222 1.0000 .0000 .10000E+07 25 'norm ' .40962E-04 1.0000 .0000 .10000E+07 26 'Prefactor ' .27056E-06 1.0000 .0000 .10000E+07 27 'norm ' 1.0904 1.0000 .0000 .10000E+07 28 'norm ' .63815E-04 1.0000 .0000 .10000E+07 29 'Normalizat' .76921 1.0000 .10000E-01 10.000 30 'Prefactor ' 1.1440 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 21863.76 FROM MIGRAD STATUS=CONVERGED 223 CALLS 2911 TOTAL EDM= .66E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .0000 .32119 -.10952E-07** at limit ** 2 Prefactor 6.2969 5.1373 .14928E-07 .10798E-02 3 Prefactor 1.0786 9.3644 .11038E-06 .39401E-03 4 Prefactor .0000 2.1984 .66174E-08** at limit ** 5 Prefactor 4.3975 6.0991 -.17696E-07 .30297E-03 6 Prefactor .55511E-10 42.503 .36007E-06** at limit ** 7 Prefactor .21695E-05 551.55 -.16781E-05** at limit ** 8 norm 3.2986 1.8783 -.14254E-07 -.12287E-02 9 norm 3.9655 2.6610 -.12888E-07 -.86780E-03 10 Prefactor 5.3925 7.6653 .12203E-06 .37771E-02 11 Prefactor .0000 16.082 -.76757E-07** at limit ** 12 Prefactor 1.9853 3.0281 -.23421E-07 -.47974E-03 13 norm .0000 2.4365 -.12937E-07** at limit ** 14 Prefactor 13.335 10.515 -.88431E-07 -.46266E-02 15 Prefactor .55511E-10 8.8993 .23972E-07** at limit ** 16 Prefactor 44.034 42.750 .44133E-06 -.26181E-01 17 norm 5.6784 2.0767 .72625E-09 .66576E-03 18 norm 2.9427 1.5431 -.82120E-08 -.89167E-03 19 norm .0000 1.4780 -.12139E-08** at limit ** 20 norm .0000 4.9236 .14938E-07** at limit ** 21 Prefactor .91874 2.3586 .16404E-06 .72565E-01 22 Prefactor .63805 6.4735 -.35751E-07 -.43785E-03 23 norm 6.8973 1.4490 -.18804E-07 -.54965E-02 24 norm 12.238 1.3795 .19869E-07 .13418E-01 25 norm .44964E-08 43.639 .42915E-06** at limit ** 26 Prefactor .0000 7.6500 .50867E-07** at limit ** 27 norm 1.0896 2.3849 .35797E-07 .62909E-03 28 norm .0000 1.2607 -.99275E-08** at limit ** 29 Normalizat .76930 .15138 .16713E-07 -.94009E-05 30 Prefactor 1.1440 .69948E-01 -.23829E-07 -.14994E-04 ERR DEF= .500 Final values: norm = 0 Prefactor = 6.29693 Prefactor = 1.07856 Prefactor = 0 Prefactor = 4.39748 Prefactor = 5.55112e-11 Prefactor = 2.16954e-06 norm = 3.29857 norm = 3.96548 Prefactor = 5.39251 Prefactor = 0 Prefactor = 1.98527 norm = 0 Prefactor = 13.3355 Prefactor = 5.55112e-11 Prefactor = 44.0344 norm = 5.67843 norm = 2.94268 norm = 0 norm = 0 Prefactor = 0.918739 Prefactor = 0.638047 norm = 6.89734 norm = 12.238 norm = 4.4964e-09 Prefactor = 0 norm = 1.08958 norm = 0 Normalizat = 0.769302 Prefactor = 1.14396 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709781/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 0000 .10000E+07 22 'Prefactor ' .63498 1.0000 .0000 .10000E+07 23 'norm ' 6.8981 1.0000 .0000 .10000E+07 24 'norm ' 12.222 1.0000 .0000 .10000E+07 25 'norm ' .40962E-04 1.0000 .0000 .10000E+07 26 'Prefactor ' .27056E-06 1.0000 .0000 .10000E+07 27 'norm ' 1.0904 1.0000 .0000 .10000E+07 28 'norm ' .63815E-04 1.0000 .0000 .10000E+07 29 'Normalizat' .76921 1.0000 .10000E-01 10.000 30 'Prefactor ' 1.1440 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 21863.76 FROM MIGRAD STATUS=CONVERGED 223 CALLS 2911 TOTAL EDM= .66E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .0000 .32119 -.10952E-07** at limit ** 2 Prefactor 6.2969 5.1373 .14928E-07 .10798E-02 3 Prefactor 1.0786 9.3644 .11038E-06 .39401E-03 4 Prefactor .0000 2.1984 .66174E-08** at limit ** 5 Prefactor 4.3975 6.0991 -.17696E-07 .30297E-03 6 Prefactor .55511E-10 42.503 .36007E-06** at limit ** 7 Prefactor .21695E-05 551.55 -.16781E-05** at limit ** 8 norm 3.2986 1.8783 -.14254E-07 -.12287E-02 9 norm 3.9655 2.6610 -.12888E-07 -.86780E-03 10 Prefactor 5.3925 7.6653 .12203E-06 .37771E-02 11 Prefactor .0000 16.082 -.76757E-07** at limit ** 12 Prefactor 1.9853 3.0281 -.23421E-07 -.47974E-03 13 norm .0000 2.4365 -.12937E-07** at limit ** 14 Prefactor 13.335 10.515 -.88431E-07 -.46266E-02 15 Prefactor .55511E-10 8.8993 .23972E-07** at limit ** 16 Prefactor 44.034 42.750 .44133E-06 -.26181E-01 17 norm 5.6784 2.0767 .72625E-09 .66576E-03 18 norm 2.9427 1.5431 -.82120E-08 -.89167E-03 19 norm .0000 1.4780 -.12139E-08** at limit ** 20 norm .0000 4.9236 .14938E-07** at limit ** 21 Prefactor .91874 2.3586 .16404E-06 .72565E-01 22 Prefactor .63805 6.4735 -.35751E-07 -.43785E-03 23 norm 6.8973 1.4490 -.18804E-07 -.54965E-02 24 norm 12.238 1.3795 .19869E-07 .13418E-01 25 norm .44964E-08 43.639 .42915E-06** at limit ** 26 Prefactor .0000 7.6500 .50867E-07** at limit ** 27 norm 1.0896 2.3849 .35797E-07 .62909E-03 28 norm .0000 1.2607 -.99275E-08** at limit ** 29 Normalizat .76930 .15138 .16713E-07 -.94009E-05 30 Prefactor 1.1440 .69948E-01 -.23829E-07 -.14994E-04 ERR DEF= .500 Final values: norm = 0 Prefactor = 6.29693 Prefactor = 1.07856 Prefactor = 0 Prefactor = 4.39748 Prefactor = 5.55112e-11 Prefactor = 2.16954e-06 norm = 3.29857 norm = 3.96548 Prefactor = 5.39251 Prefactor = 0 Prefactor = 1.98527 norm = 0 Prefactor = 13.3355 Prefactor = 5.55112e-11 Prefactor = 44.0344 norm = 5.67843 norm = 2.94268 norm = 0 norm = 0 Prefactor = 0.918739 Prefactor = 0.638047 norm = 6.89734 norm = 12.238 norm = 4.4964e-09 Prefactor = 0 norm = 1.08958 norm = 0 Normalizat = 0.769302 Prefactor = 1.14396 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709781/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:54:52.168439', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784094892.17', return_code='0', job_id='31709781', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:54:52 PDT 2026 utfile=/lscratch/kocevski/31710632/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits dcostheta=0.025 binsz=1.0 phibins=0 tmin=0.0 tmax=0.0 file_version="1" zmin=0.0 zmax=90.0 chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Working on file /lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits .....................! real 10.69 user 8.39 sys 0.25 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits evtable="EVENTS" scfile=/lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31710632/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits outfile=/lscratch/kocevski/31710632/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits irfs="P8R3_SOURCE_V2" evtype="INDEF" srcrad=30.0 nlong=88 nlat=88 nenergies=10 submap=no nlongmin=0 nlongmax=0 nlatmin=0 nlatmax=0 chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). The exposure maps generated by this tool are meant to be used for *unbinned* likelihood analysis only. Do not use them for binned analyses. Computing the ExposureMap using /lscratch/kocevski/31710632/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits .....................! real 76.49 user 70.73 sys 4.36 Generating the xml model: radLim = 0.001 maxRad = 12 normsOnly = True freeVariableSources = True Fixing all sources to their catalog values, except variable sources Creating file and adding sources from 4FGL Extended source HB 21 in ROI with RadialDisk spatial model. Extended source FHES J2129.9+5833 in ROI with RadialGaussian spatial model. Extended source FHES J2208.4+6443 in ROI with RadialGaussian spatial model. Added 181 point sources and 3 extended sources If using unbinned likelihood you will need to rerun gtdiffrsp for the extended sources or rerun the makeModel function with optional argument psForce=True Setting source of interest to: 4FGL J1848.5+6537 @ 282.133 65.6313 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits scfile=/lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits outfile=/lscratch/kocevski/31710632/cmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits algorithm="CMAP" ebinalg="LOG" emin=30.0 emax=200000.0 ebinfile=NONE tbinalg="LIN" tbinfile=NONE nxpix=160 nypix=160 binsz=0.25 coordsys="CEL" xref=282.133 yref=65.6313 axisrot=0.0 rafield="RA" decfield="DEC" proj="AIT" hpx_ordering_scheme="RING" hpx_order=3 hpx_ebin=yes hpx_region="" evtable="EVENTS" sctable="SC_DATA" efield="ENERGY" tfield="TIME" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtbin version HEAD real 3.10 user 0.30 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits scfile=/lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits outfile=/lscratch/kocevski/31710632/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits algorithm="CMAP" ebinalg="LOG" emin=30.0 emax=200000.0 ebinfile=NONE tbinalg="LIN" tbinfile=NONE nxpix=500 nypix=500 binsz=0.1 coordsys="CEL" xref=282.133 yref=65.6313 axisrot=0.0 rafield="RA" decfield="DEC" proj="AIT" hpx_ordering_scheme="RING" hpx_order=3 hpx_ebin=yes hpx_region="" evtable="EVENTS" sctable="SC_DATA" efield="ENERGY" tfield="TIME" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtbin version HEAD real 1.27 user 0.29 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits evtable="EVENTS" scfile=/lscratch/kocevski/31710632/ft2_4FGL_J1848.5 ********** ** 18 **HESSE ********** FCN= 21863.76 FROM HESSE STATUS=OK 664 CALLS 3575 TOTAL EDM= .38E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .15466 .20064E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 6.2969 5.1896 .40060E-03 -1.5658 3 Prefactor 1.0786 9.8914 .11872E-02 -1.5687 4 Prefactor .0000 2.1893 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 4.3975 6.1241 .48111E-03 -1.5666 6 Prefactor .55511E-10 41.935 .14563E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .21695E-05 18.998 .20729E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 3.2986 1.8866 .55726E-03 -1.5672 9 norm 3.9655 2.6800 .50609E-03 -1.5668 10 Prefactor 5.3925 7.6734 .43290E-03 -1.5662 11 Prefactor .0000 16.093 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 1.9853 3.0574 .73476E-03 -1.5680 13 norm .0000 2.4330 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 13.335 10.516 .27387E-03 -1.5635 15 Prefactor .55511E-10 8.8651 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 44.034 43.992 .14967E-03 -1.5575 17 norm 5.6784 2.0828 .42144E-03 -1.5660 18 norm 2.9427 1.5452 .59184E-03 -1.5674 19 norm .0000 1.4724 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 4.9280 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor .91874 24.451 .45081E-03 -1.5689 22 Prefactor .63805 6.8093 .66151E-03 -1.5692 23 norm 6.8973 1.4582 .38176E-03 -1.5655 24 norm 12.238 24.218 .28628E-03 -1.5638 25 norm .44964E-08 43.115 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 26 Prefactor .0000 7.6474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 1.0896 2.4903 .11452E-02 -1.5687 28 norm .0000 1.2620 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Normalizat .76930 .14305 .97806E-01 -1.0122 30 Prefactor 1.1440 .64633E-01 .36114E-01 -.88074 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.83789e-06 Minuit parameter uncertainties: 1 3.28266e-07 2 5.18963 3 6.53254 4 1.07187e-06 5 6.12415 6 0.000106576 7 0.01284 8 1.88664 9 2.68003 10 7.67342 11 5.29349e-06 12 3.05742 13 1.79985e-06 14 10.5163 15 3.50749e-05 16 43.9924 17 2.08281 18 1.54524 19 4.29313e-07 20 6.10024e-07 21 9.47926 22 4.16879 23 1.45824 24 24.2177 25 0.000880982 26 1.9141e-05 27 2.49032 28 5.69832e-07 29 0.143115 30 0.0646372 ********** ** 18 **HESSE ********** FCN= 21863.76 FROM HESSE STATUS=OK 664 CALLS 3575 TOTAL EDM= .38E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .15466 .20064E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 6.2969 5.1896 .40060E-03 -1.5658 3 Prefactor 1.0786 9.8914 .11872E-02 -1.5687 4 Prefactor .0000 2.1893 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 4.3975 6.1241 .48111E-03 -1.5666 6 Prefactor .55511E-10 41.935 .14563E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .21695E-05 18.998 .20729E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 3.2986 1.8866 .55726E-03 -1.5672 9 norm 3.9655 2.6800 .50609E-03 -1.5668 10 Prefactor 5.3925 7.6734 .43290E-03 -1.5662 11 Prefactor .0000 16.093 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 1.9853 3.0574 .73476E-03 -1.5680 13 norm .0000 2.4330 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 13.335 10.516 .27387E-03 -1.5635 15 Prefactor .55511E-10 8.8651 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 44.034 43.992 .14967E-03 -1.5575 17 norm 5.6784 2.0828 .42144E-03 -1.5660 18 norm 2.9427 1.5452 .59184E-03 -1.5674 19 norm .0000 1.4724 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 4.9280 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor .91874 24.451 .45081E-03 -1.5689 22 Prefactor .63805 6.8093 .66151E-03 -1.5692 23 norm 6.8973 1.4582 .38176E-03 -1.5655 24 norm 12.238 24.218 .28628E-03 -1.5638 25 norm .44964E-08 43.115 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 26 Prefactor .0000 7.6474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 1.0896 2.4903 .11452E-02 -1.5687 28 norm .0000 1.2620 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Normalizat .76930 .14305 .97806E-01 -1.0122 30 Prefactor 1.1440 .64633E-01 .36114E-01 -.88074 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.83789e-06 Minuit parameter uncertainties: 1 3.28266e-07 2 5.18963 3 6.53254 4 1.07187e-06 5 6.12415 6 0.000106576 7 0.01284 8 1.88664 9 2.68003 10 7.67342 11 5.29349e-06 12 3.05742 13 1.79985e-06 14 10.5163 15 3.50749e-05 16 43.9924 17 2.08281 18 1.54524 19 4.29313e-07 20 6.10024e-07 21 9.47926 22 4.16879 23 1.45824 24 24.2177 25 0.000880982 26 1.9141e-05 27 2.49032 28 5.69832e-07 29 0.143115 30 0.0646372 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709826/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709826/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:56:47.702938', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784095007.7', return_code='0', job_id='31709826', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:56:48 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709970/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709970/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:58:20.511194', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784095100.51', return_code='0', job_id='31709970', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:58:20 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31709987/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31709987/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 22:58:43.913663', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784095123.91', return_code='0', job_id='31709987', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 22:58:44 PDT 2026 +6537_daily_bin2174.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31710632/Model_4FGL_J1848.5+6537_daily_bin2174.xml irfs="P8R3_SOURCE_V2" evclsmin=0 evclass="INDEF" evtype="INDEF" convert=yes chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). adding source EG_v02 adding source FHES J2129.9+5833 adding source FHES J2208.4+6443 adding source GAL_V02 adding source HB 21 Working on... /lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits.....................! real 100.58 user 97.60 sys 1.25 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits', '/lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits', expMap='/lscratch/kocevski/31710632/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', expCube='/lscratch/kocevski/31710632/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31710632/Model_4FGL_J1848.5+6537_daily_bin2174.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1848.5+6537' 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 3.482e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31710632/ft1_filtered_4FGL_J1848.5+6537_daily_bin2174.fits Spacecraft file(s): /lscratch/kocevski/31710632/ft2_4FGL_J1848.5+6537_daily_bin2174.fits Exposure map: /lscratch/kocevski/31710632/expmap_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits Exposure cube: /lscratch/kocevski/31710632/ltcube_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31710632/Model_4FGL_J1848.5+6537_daily_bin2174.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7794231 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7657287 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .11086E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 6.2713 1.0000 .0000 .10000E+07 3 'Prefactor ' 1.0619 1.0000 .0000 .10000E+07 4 'Prefactor ' .48143E-03 1.0000 .0000 .10000E+07 5 'Prefactor ' 4.3781 1.0000 .0000 .10000E+07 6 'Prefactor ' .77995E-01 1.0000 .0000 .10000E+07 7 'Prefactor ' .67303 1.0000 .0000 .10000E+07 8 'norm ' 3.2978 1.0000 .0000 .10000E+07 9 'norm ' 3.9683 1.0000 .0000 .10000E+07 10 'Prefactor ' 5.3831 1.0000 .0000 .10000E+07 11 'Prefactor ' .49545E-02 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.9873 1.0000 .0000 .10000E+07 13 'norm ' .66994E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 13.352 1.0000 .0000 .10000E+07 15 'Prefactor ' .72737E-03 1.0000 .0000 .10000E+07 16 'Prefactor ' 44.646 1.0000 .0000 .10000E+07 17 'norm ' 5.6748 1.0000 .0000 .10000E+07 18 'norm ' 2.9425 1.0000 .0000 .10000E+07 19 'norm ' .14717E-03 1.0000 .0000 .10000E+07 20 'norm ' .54833E-03 1.0000 .0000 .10000E+07 21 'Prefactor ' .90985 1.0000 .0000 .10000E+07 22 'Prefactor ' .63498 1.0000 .0000 .10000E+07 23 'norm ' 6.8981 1.0000 .0000 .10000E+07 24 'norm ' 12.222 1.0000 .0000 .10000E+07 25 'norm ' .40962E-04 1.0000 .0000 .10000E+07 26 'Prefactor ' .27056E-06 1.0000 .0000 .10000E+07 27 'norm ' 1.0904 1.0000 .0000 .10000E+07 28 'norm ' .63815E-04 1.0000 .0000 .10000E+07 29 'Normalizat' .76921 1.0000 .10000E-01 10.000 30 'Prefactor ' 1.1440 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 21863.76 FROM MIGRAD STATUS=CONVERGED 223 CALLS 2911 TOTAL EDM= .66E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .0000 .32119 -.10952E-07** at limit ** 2 Prefactor 6.2969 5.1373 .14928E-07 .10798E-02 3 Prefactor 1.0786 9.3644 .11038E-06 .39401E-03 4 Prefactor .0000 2.1984 .66174E-08** at limit ** 5 Prefactor 4.3975 6.0991 -.17696E-07 .30297E-03 6 Prefactor .55511E-10 42.503 .36007E-06** at limit ** 7 Prefactor .21695E-05 551.55 -.16781E-05** at limit ** 8 norm 3.2986 1.8783 -.14254E-07 -.12287E-02 9 norm 3.9655 2.6610 -.12888E-07 -.86780E-03 10 Prefactor 5.3925 7.6653 .12203E-06 .37771E-02 11 Prefactor .0000 16.082 -.76757E-07** at limit ** 12 Prefactor 1.9853 3.0281 -.23421E-07 -.47974E-03 13 norm .0000 2.4365 -.12937E-07** at limit ** 14 Prefactor 13.335 10.515 -.88431E-07 -.46266E-02 15 Prefactor .55511E-10 8.8993 .23972E-07** at limit ** 16 Prefactor 44.034 42.750 .44133E-06 -.26181E-01 17 norm 5.6784 2.0767 .72625E-09 .66576E-03 18 norm 2.9427 1.5431 -.82120E-08 -.89167E-03 19 norm .0000 1.4780 -.12139E-08** at limit ** 20 norm .0000 4.9236 .14938E-07** at limit ** 21 Prefactor .91874 2.3586 .16404E-06 .72565E-01 22 Prefactor .63805 6.4735 -.35751E-07 -.43785E-03 23 norm 6.8973 1.4490 -.18804E-07 -.54965E-02 24 norm 12.238 1.3795 .19869E-07 .13418E-01 25 norm .44964E-08 43.639 .42915E-06** at limit ** 26 Prefactor .0000 7.6500 .50867E-07** at limit ** 27 norm 1.0896 2.3849 .35797E-07 .62909E-03 28 norm .0000 1.2607 -.99275E-08** at limit ** 29 Normalizat .76930 .15138 .16713E-07 -.94009E-05 30 Prefactor 1.1440 .69948E-01 -.23829E-07 -.14994E-04 ERR DEF= .500 Final values: norm = 0 Prefactor = 6.29693 Prefactor = 1.07856 Prefactor = 0 Prefactor = 4.39748 Prefactor = 5.55112e-11 Prefactor = 2.16954e-06 norm = 3.29857 norm = 3.96548 Prefactor = 5.39251 Prefactor = 0 Prefactor = 1.98527 norm = 0 Prefactor = 13.3355 Prefactor = 5.55112e-11 Prefactor = 44.0344 norm = 5.67843 norm = 2.94268 norm = 0 norm = 0 Prefactor = 0.918739 Prefactor = 0.638047 norm = 6.89734 norm = 12.238 norm = 4.4964e-09 Prefactor = 0 norm = 1.08958 norm = 0 Normalizat = 0.769302 Prefactor = 1.14396 ********** ** 18 **HESSE ********** FCN= 21863.76 FROM HESSE STATUS=OK 664 CALLS 3575 TOTAL EDM= .38E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .15466 .20064E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 6.2969 5.1896 .40060E-03 -1.5658 3 Prefactor 1.0786 9.8914 .11872E-02 -1.5687 4 Prefactor .0000 2.1893 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 4.3975 6.1241 .48111E-03 -1.5666 6 Prefactor .55511E-10 41.935 .14563E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .21695E-05 18.998 .20729E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 3.2986 1.8866 .55726E-03 -1.5672 9 norm 3.9655 2.6800 .50609E-03 -1.5668 10 Prefactor 5.3925 7.6734 .43290E-03 -1.5662 11 Prefactor .0000 16.093 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 1.9853 3.0574 .73476E-03 -1.5680 13 norm .0000 2.4330 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 13.335 10.516 .27387E-03 -1.5635 15 Prefactor .55511E-10 8.8651 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 44.034 43.992 .14967E-03 -1.5575 17 norm 5.6784 2.0828 .42144E-03 -1.5660 18 norm 2.9427 1.5452 .59184E-03 -1.5674 19 norm .0000 1.4724 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 4.9280 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor .91874 24.451 .45081E-03 -1.5689 22 Prefactor .63805 6.8093 .66151E-03 -1.5692 23 norm 6.8973 1.4582 .38176E-03 -1.5655 24 norm 12.238 24.218 .28628E-03 -1.5638 25 norm .44964E-08 43.115 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 26 Prefactor .0000 7.6474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 1.0896 2.4903 .11452E-02 -1.5687 28 norm .0000 1.2620 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Normalizat .76930 .14305 .97806E-01 -1.0122 30 Prefactor 1.1440 .64633E-01 .36114E-01 -.88074 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.83789e-06 Minuit parameter uncertainties: 1 3.28266e-07 2 5.18963 3 6.53254 4 1.07187e-06 5 6.12415 6 0.000106576 7 0.01284 8 1.88664 9 2.68003 10 7.67342 11 5.29349e-06 12 3.05742 13 1.79985e-06 14 10.5163 15 3.50749e-05 16 43.9924 17 2.08281 18 1.54524 19 4.29313e-07 20 6.10024e-07 21 9.47926 22 4.16879 23 1.45824 24 24.2177 25 0.000880982 26 1.9141e-05 27 2.49032 28 5.69832e-07 29 0.143115 30 0.0646372 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 21863.7631917 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 4.403e+01 4.399e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.144e+00 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.693e-01 1.431e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Index (Fixed Index): 1.75 +/- 0.00 Photon Flux (Fixed Index): 8.77e-09 +/- 8.76e-09 Energy Flux (Fixed Index): 1.22e-05 +/- 1.22e-05 TS (Fixed Index): 1.76 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 3.18243548648e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0023336955043 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31710632/likelihoodResults_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6944069 delta logL = 0.0687848878879 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902683 delta logL = 0.0729234803912 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 29.503 1.0000 .0000 .10000E+07 2 'Index ' 1.9904 1.0000 .0000 10.000 3 'Normalizat' .76592 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1444 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 21863.69 FROM MIGRAD STATUS=CONVERGED 108 CALLS 325 TOTAL EDM= .49E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 29.461 71.628 .73654E-05 .74089E-05 2 Index 1.9898 .96617 .11520E-01 .91013E-04 3 Normalizat .76606 .13934 .43426E-03 .52359E-06 4 Prefactor 1.1445 .67455E-01 .17485E-03 -.83224E-05 ERR DEF= .500 Final values: Prefactor = 29.4606 Index = 1.98982 Normalizat = 0.766055 Prefactor = 1.14453 ********** ** 18 **HESSE ********** FCN= 21863.69 FROM HESSE STATUS=OK 25 CALLS 350 TOTAL EDM= .44E-12 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 29.461 48.063 .14731E-05 -1.5599 2 Index 1.9898 .65279 .46082E-03 -.64605 3 Normalizat .76606 .13887 .17370E-04 -1.0134 4 Prefactor 1.1445 .67409E-01 .69941E-05 -.88056 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.43457e-13 Minuit parameter uncertainties: 1 48.0641 2 0.655732 3 0.138932 4 0.0674142 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 21863.6902556 delta logL = 0.072936093602 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.946e+01 4.806e+01 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.990e+00 6.557e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 1.145e+00 6.741e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 7.661e-01 1.389e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.91 Ra Dec: 282.133 65.631 Photon Index (Free Index): 1.99 +/- 0.66 Photon Flux (Free Index): 1.22e-08 +/- 1.48e-08 Energy Flux (Free Index): 8.63e-06 +/- 1.12e-05 Creating a high resolution counts map... INFO: Auto-setting vmin to -1.000e-01 [aplpy.core] INFO: Auto-setting vmax to 1.110e+00 [aplpy.core] Saving /lscratch/kocevski/31710632/cmap_HighResolution_802828801_803088001_4FGL_J1848.5+6537_daily_bin2174.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.33e-03', comment='SUCCESS', photon_flux='8.77e-09', energy_flux2='8.63e-06', photon_flux_error='8.76e-09', dlogl='7.29e-02', energy_flux='1.22e-05', photon_flux2='1.22e-08', job_status='DONE', time_completed='2026-07-14 23:09:40.435490', photon_index_error2='0.66', photon_index2='1.99', ts='1.76', fit_tolerance='1e-08', GAL='1.14', photon_index_error='0.00', photon_flux_upper_limit='3.18e-08', energy_flux_error2='1.12e-05', EG='0.77', time_epoch_completed='1784095780.44', return_code='0', job_id='31710632', GAL2='1.14', EG2='0.77', return_code2='0', energy_flux_error='1.22e-05', photon_flux_error2='1.48e-08', ts2='1.91', photon_index='1.75' WHERE bin_id='2174' AND source_name='4FGL J1848.5+6537' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jul 14 23:09:40 PDT 2026