********** ** 18 **HESSE ********** FCN= 18122.55 FROM HESSE STATUS=OK 267 CALLS 1274 TOTAL EDM= .35E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .12212E-08 9.1203 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 norm 41.101 34.961 .15661E-03 -1.5580 3 Prefactor .15160E-05 60.202 .14386E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 5.0947 .16886E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .83267E-09 25.217 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm 18.308 7.4592 .23377E-03 -1.5622 7 Prefactor .35822E-05 148.26 .17202E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 1.8136 15.657 .77383E-03 -1.5681 9 Prefactor .19523E-06 121.79 .16833E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.0707 4.2051 .57872E-03 -1.5673 11 Prefactor 1.6443 9.7442 .81850E-03 -1.5682 12 Prefactor 1.9684 7.4518 .75836E-03 -1.5680 13 norm .23919 .83916 .34773E-02 -1.5698 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .18319E-08 11.334 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 4.2734 9.9980 .47807E-03 -1.5667 16 Normalizat 1.7400 .17744 .78880E-01 -.71241 17 Prefactor .86408 .64631E-01 .44548E-01 -.97408 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.48226e-07 Minuit parameter uncertainties: 1 0.000212048 2 34.9616 3 0.0191069 4 1.14914e-05 5 0.000294221 6 7.45915 7 0.0460927 8 10.6577 9 0.00975269 10 4.20507 11 8.00568 12 7.45182 13 0.839165 14 0.000286529 15 9.99803 16 0.177508 17 0.0646362 /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 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). /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) WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). OURCE_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 J1642.1-5428 adding source GAL_V02 Working on... /lscratch/kocevski/31201579/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits.....................! real 65.58 user 63.91 sys 1.09 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31201579/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits', '/lscratch/kocevski/31201579/ft2_4FGL_J1902.9-6748_weekly_bin933.fits', expMap='/lscratch/kocevski/31201579/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', expCube='/lscratch/kocevski/31201579/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31201579/Model_4FGL_J1902.9-6748_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1902.9-6748' 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 6.756e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31201579/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31201579/ft2_4FGL_J1902.9-6748_weekly_bin933.fits Exposure map: /lscratch/kocevski/31201579/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31201579/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31201579/Model_4FGL_J1902.9-6748_weekly_bin933.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) = 18122.6480128 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5542088 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .12311E-04 1.0000 .0000 .10000E+07 2 'norm ' 40.778 1.0000 .0000 .10000E+07 3 'Prefactor ' .83830E-01 1.0000 .0000 .10000E+07 4 'Prefactor ' .22366E-01 1.0000 .0000 .10000E+07 5 'Prefactor ' .19609E-03 1.0000 .0000 .10000E+07 6 'norm ' 18.313 1.0000 .0000 .10000E+07 7 'Prefactor ' .17577E-01 1.0000 .0000 .10000E+07 8 'norm ' 1.8197 1.0000 .0000 .10000E+07 9 'Prefactor ' .23221E-01 1.0000 .0000 .10000E+07 10 'norm ' 3.0696 1.0000 .0000 .10000E+07 11 'Prefactor ' 1.6602 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.8826 1.0000 .0000 .10000E+07 13 'norm ' .23847 1.0000 .0000 .10000E+07 14 'norm ' .27073E-06 1.0000 .0000 .10000E+07 15 'Prefactor ' 4.4325 1.0000 .0000 .10000E+07 16 'Normalizat' 1.7393 1.0000 .10000E-01 10.000 17 'Prefactor ' .86426 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 18122.55 FROM MIGRAD STATUS=CONVERGED 127 CALLS 1007 TOTAL EDM= .79E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .12212E-08 9.2849 -.56506E-06** at limit ** 2 norm 41.101 34.854 .35850E-05 -.40800E-02 3 Prefactor .15160E-05 4.8063 -.19142E-05** at limit ** 4 Prefactor .0000 29.753 .61000E-06** at limit ** 5 Prefactor .83267E-09 25.189 -.16406E-05** at limit ** 6 norm 18.308 7.4356 .13902E-05 .66783E-02 7 Prefactor .35822E-05 33.311 .84065E-05** at limit ** 8 norm 1.8136 9.6625 -.21548E-05 -.37701E-02 9 Prefactor .19523E-06 90.499 .14716E-04** at limit ** 10 norm 3.0707 4.1698 .14858E-06 .63607E-02 11 Prefactor 1.6443 9.4449 -.79851E-06 .26200E-02 12 Prefactor 1.9684 7.3971 .10019E-05 .39887E-02 13 norm .23919 1.7335 -.44664E-06** at limit ** 14 norm .18319E-08 11.300 -.14467E-07** at limit ** 15 Prefactor 4.2734 6.4546 -.98138E-06 -.71819E-03 16 Normalizat 1.7400 .21212 .23390E-05 .19656E-03 17 Prefactor .86408 .78126E-01 -.25338E-05 .16642E-03 ERR DEF= .500 Final values: norm = 1.22125e-09 norm = 41.1008 Prefactor = 1.51601e-06 Prefactor = 0 Prefactor = 8.32667e-10 norm = 18.3082 Prefactor = 3.58225e-06 norm = 1.81362 Prefactor = 1.95233e-07 norm = 3.07066 Prefactor = 1.64433 Prefactor = 1.96841 norm = 0.239192 norm = 1.83187e-09 Prefactor = 4.27339 Normalizat = 1.73997 Prefactor = 0.864083 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5527452 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 3.071e+00 4.205e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.641e-01 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.740e+00 1.775e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.85 Ra Dec: 285.743 -67.807 Photon Flux Upper Limit: 5.57791541752e-08 ph cm-2 s-1 Energy Flux Upper Limit: 1.87999618452e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31201487/likelihoodResults_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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) = 18121.9581089 delta logL = 0.594636309568 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 18121.9156064 delta logL = 0.63713878292 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 2.1187 1.0000 .0000 .10000E+07 2 'alpha ' 1.1459 1.0000 .0000 5.0000 3 'Normalizat' 1.7535 1.0000 .10000E-01 10.000 4 'Prefactor ' .86075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 18121.92 FROM MIGRAD STATUS=CONVERGED 48 CALLS 209 TOTAL EDM= .55E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 2.1186 2.2492 .70831E-03 .47266E-01 2 alpha 1.1460 .46689 .50000 -.11111E-03 3 Normalizat 1.7535 .17061 .78635E-01 .13795E-04 4 Prefactor .86075 .64145E-01 .44503E-01 .15847E-04 ERR DEF= .500 Final values: norm = 2.11863 alpha = 1.14599 Normalizat = 1.75355 Prefactor = 0.860745 ********** ** 18 **HESSE ********** FCN= 18121.92 FROM HESSE STATUS=OK 31 CALLS 240 TOTAL EDM= .17E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 2.1186 2.8607 .20120E-04 -1.5679 2 alpha 1.1460 .69318 .29198E-01 -.57235 3 Normalizat 1.7535 .20646 .34798E-03 -.70882 4 Prefactor .86075 .77705E-01 .17677E-03 -.97527 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.66572e-08 Minuit parameter uncertainties: 1 2.86067 2 0.706403 3 0.206561 4 0.0777146 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) = 18121.9156064 delta logL = 0.637138814556 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 2.119e+00 2.861e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 1.146e+00 7.064e-01 0.000e+00 5.000e+00 ( 1.000e+00) 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.607e-01 7.771e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.754e+00 2.066e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 2.13 Ra Dec: 285.743 -67.807 Photon Index (Free Index): 1.15 +/- 0.71 Photon Flux (Free Index): 4.85e-09 +/- 5.97e-09 Energy Flux (Free Index): 1.27e-05 +/- 1.89e-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/31201487/cmap_HighResolution_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.88e-05', comment='SUCCESS', energy_flux2='1.27e-05', dlogl='6.37e-01', photon_flux2='4.85e-09', job_status='DONE', time_completed='2026-07-10 05:58:01.651771', photon_index_error2='0.71', photon_index2='1.15', ts='0.85', fit_tolerance='1e-08', GAL='0.86', photon_index_error='0.00', photon_flux_upper_limit='5.58e-08', energy_flux_error2='1.89e-05', EG='1.74', time_epoch_completed='1783688281.65', return_code='0', job_id='31201487', GAL2='0.86', EG2='1.75', return_code2='0', photon_flux_error2='5.97e-09', ts2='2.13', photon_index='2.31' WHERE bin_id='933' AND source_name='4FGL J1902.9-6748' AND cadence='weekly'; Database successfully updated. Analysis Complete. Fri Jul 10 05:58:01 PDT 2026 ********** ** 18 **HESSE ********** FCN= 18122.55 FROM HESSE STATUS=OK 267 CALLS 1274 TOTAL EDM= .35E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .12212E-08 9.1203 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 norm 41.101 34.961 .15661E-03 -1.5580 3 Prefactor .15160E-05 60.202 .14386E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 5.0947 .16886E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .83267E-09 25.217 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm 18.308 7.4592 .23377E-03 -1.5622 7 Prefactor .35822E-05 148.26 .17202E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 1.8136 15.657 .77383E-03 -1.5681 9 Prefactor .19523E-06 121.79 .16833E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.0707 4.2051 .57872E-03 -1.5673 11 Prefactor 1.6443 9.7442 .81850E-03 -1.5682 12 Prefactor 1.9684 7.4518 .75836E-03 -1.5680 13 norm .23919 .83916 .34773E-02 -1.5698 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .18319E-08 11.334 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 4.2734 9.9980 .47807E-03 -1.5667 16 Normalizat 1.7400 .17744 .78880E-01 -.71241 17 Prefactor .86408 .64631E-01 .44548E-01 -.97408 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.48226e-07 Minuit parameter uncertainties: 1 0.000212048 2 34.9616 3 0.0191069 4 1.14914e-05 5 0.000294221 6 7.45915 7 0.0460927 8 10.6577 9 0.00975269 10 4.20507 11 8.00568 12 7.45182 13 0.839165 14 0.000286529 15 9.99803 16 0.177508 17 0.0646362 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5527452 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 3.071e+00 4.205e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.641e-01 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.740e+00 1.775e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.85 Ra Dec: 285.743 -67.807 Photon Flux Upper Limit: 5.57791541752e-08 ph cm-2 s-1 Energy Flux Upper Limit: 1.87999618452e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31201579/likelihoodResults_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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) = 18121.9581089 delta logL = 0.594636309568 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 18121.9156064 delta logL = 0.63713878292 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 2.1187 1.0000 .0000 .10000E+07 2 'alpha ' 1.1459 1.0000 .0000 5.0000 3 'Normalizat' 1.7535 1.0000 .10000E-01 10.000 4 'Prefactor ' .86075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 18121.92 FROM MIGRAD STATUS=CONVERGED 48 CALLS 209 TOTAL EDM= .55E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 2.1186 2.2492 .70831E-03 .47266E-01 2 alpha 1.1460 .46689 .50000 -.11111E-03 3 Normalizat 1.7535 .17061 .78635E-01 .13795E-04 4 Prefactor .86075 .64145E-01 .44503E-01 .15847E-04 ERR DEF= .500 Final values: norm = 2.11863 alpha = 1.14599 Normalizat = 1.75355 Prefactor = 0.860745 ********** ** 18 **HESSE ********** FCN= 18121.92 FROM HESSE STATUS=OK 31 CALLS 240 TOTAL EDM= .17E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 2.1186 2.8607 .20120E-04 -1.5679 2 alpha 1.1460 .69318 .29198E-01 -.57235 3 Normalizat 1.7535 .20646 .34798E-03 -.70882 4 Prefactor .86075 .77705E-01 .17677E-03 -.97527 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.66572e-08 Minuit parameter uncertainties: 1 2.86067 2 0.706403 3 0.206561 4 0.0777146 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) = 18121.9156064 delta logL = 0.637138814556 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 2.119e+00 2.861e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 1.146e+00 7.064e-01 0.000e+00 5.000e+00 ( 1.000e+00) 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.607e-01 7.771e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.754e+00 2.066e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 2.13 Ra Dec: 285.743 -67.807 Photon Index (Free Index): 1.15 +/- 0.71 Photon Flux (Free Index): 4.85e-09 +/- 5.97e-09 Energy Flux (Free Index): 1.27e-05 +/- 1.89e-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/31201579/cmap_HighResolution_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.88e-05', comment='SUCCESS', energy_flux2='1.27e-05', dlogl='6.37e-01', photon_flux2='4.85e-09', job_status='DONE', time_completed='2026-07-10 05:59:18.667093', photon_index_error2='0.71', photon_index2='1.15', ts='0.85', fit_tolerance='1e-08', GAL='0.86', photon_index_error='0.00', photon_flux_upper_limit='5.58e-08', energy_flux_error2='1.89e-05', EG='1.74', time_epoch_completed='1783688358.67', return_code='0', job_id='31201579', GAL2='0.86', EG2='1.75', return_code2='0', photon_flux_error2='5.97e-09', ts2='2.13', photon_index='2.31' WHERE bin_id='933' AND source_name='4FGL J1902.9-6748' AND cadence='weekly'; Database successfully updated. Analysis Complete. Fri Jul 10 05:59:18 PDT 2026 OURCE_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 J1642.1-5428 adding source GAL_V02 Working on... /lscratch/kocevski/31201724/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits.....................! real 60.94 user 59.12 sys 1.13 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31201724/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits', '/lscratch/kocevski/31201724/ft2_4FGL_J1902.9-6748_weekly_bin933.fits', expMap='/lscratch/kocevski/31201724/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', expCube='/lscratch/kocevski/31201724/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31201724/Model_4FGL_J1902.9-6748_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1902.9-6748' 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 6.756e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31201724/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31201724/ft2_4FGL_J1902.9-6748_weekly_bin933.fits Exposure map: /lscratch/kocevski/31201724/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31201724/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31201724/Model_4FGL_J1902.9-6748_weekly_bin933.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) = 18122.6480128 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5542088 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .12311E-04 1.0000 .0000 .10000E+07 2 'norm ' 40.778 1.0000 .0000 .10000E+07 3 'Prefactor ' .83830E-01 1.0000 .0000 .10000E+07 4 'Prefactor ' .22366E-01 1.0000 .0000 .10000E+07 5 'Prefactor ' .19609E-03 1.0000 .0000 .10000E+07 6 'norm ' 18.313 1.0000 .0000 .10000E+07 7 'Prefactor ' .17577E-01 1.0000 .0000 .10000E+07 8 'norm ' 1.8197 1.0000 .0000 .10000E+07 9 'Prefactor ' .23221E-01 1.0000 .0000 .10000E+07 10 'norm ' 3.0696 1.0000 .0000 .10000E+07 11 'Prefactor ' 1.6602 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.8826 1.0000 .0000 .10000E+07 13 'norm ' .23847 1.0000 .0000 .10000E+07 14 'norm ' .27073E-06 1.0000 .0000 .10000E+07 15 'Prefactor ' 4.4325 1.0000 .0000 .10000E+07 16 'Normalizat' 1.7393 1.0000 .10000E-01 10.000 17 'Prefactor ' .86426 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 18122.55 FROM MIGRAD STATUS=CONVERGED 127 CALLS 1007 TOTAL EDM= .79E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .12212E-08 9.2849 -.56506E-06** at limit ** 2 norm 41.101 34.854 .35850E-05 -.40800E-02 3 Prefactor .15160E-05 4.8063 -.19142E-05** at limit ** 4 Prefactor .0000 29.753 .61000E-06** at limit ** 5 Prefactor .83267E-09 25.189 -.16406E-05** at limit ** 6 norm 18.308 7.4356 .13902E-05 .66783E-02 7 Prefactor .35822E-05 33.311 .84065E-05** at limit ** 8 norm 1.8136 9.6625 -.21548E-05 -.37701E-02 9 Prefactor .19523E-06 90.499 .14716E-04** at limit ** 10 norm 3.0707 4.1698 .14858E-06 .63607E-02 11 Prefactor 1.6443 9.4449 -.79851E-06 .26200E-02 12 Prefactor 1.9684 7.3971 .10019E-05 .39887E-02 13 norm .23919 1.7335 -.44664E-06** at limit ** 14 norm .18319E-08 11.300 -.14467E-07** at limit ** 15 Prefactor 4.2734 6.4546 -.98138E-06 -.71819E-03 16 Normalizat 1.7400 .21212 .23390E-05 .19656E-03 17 Prefactor .86408 .78126E-01 -.25338E-05 .16642E-03 ERR DEF= .500 Final values: norm = 1.22125e-09 norm = 41.1008 Prefactor = 1.51601e-06 Prefactor = 0 Prefactor = 8.32667e-10 norm = 18.3082 Prefactor = 3.58225e-06 norm = 1.81362 Prefactor = 1.95233e-07 norm = 3.07066 Prefactor = 1.64433 Prefactor = 1.96841 norm = 0.239192 norm = 1.83187e-09 Prefactor = 4.27339 Normalizat = 1.73997 Prefactor = 0.864083 OURCE_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 J1642.1-5428 adding source GAL_V02 Working on... /lscratch/kocevski/31201721/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits.....................! real 61.77 user 59.71 sys 1.42 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31201721/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits', '/lscratch/kocevski/31201721/ft2_4FGL_J1902.9-6748_weekly_bin933.fits', expMap='/lscratch/kocevski/31201721/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', expCube='/lscratch/kocevski/31201721/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31201721/Model_4FGL_J1902.9-6748_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1902.9-6748' 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 6.756e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31201721/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31201721/ft2_4FGL_J1902.9-6748_weekly_bin933.fits Exposure map: /lscratch/kocevski/31201721/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31201721/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31201721/Model_4FGL_J1902.9-6748_weekly_bin933.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) = 18122.6480128 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5542088 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .12311E-04 1.0000 .0000 .10000E+07 2 'norm ' 40.778 1.0000 .0000 .10000E+07 3 'Prefactor ' .83830E-01 1.0000 .0000 .10000E+07 4 'Prefactor ' .22366E-01 1.0000 .0000 .10000E+07 5 'Prefactor ' .19609E-03 1.0000 .0000 .10000E+07 6 'norm ' 18.313 1.0000 .0000 .10000E+07 7 'Prefactor ' .17577E-01 1.0000 .0000 .10000E+07 8 'norm ' 1.8197 1.0000 .0000 .10000E+07 9 'Prefactor ' .23221E-01 1.0000 .0000 .10000E+07 10 'norm ' 3.0696 1.0000 .0000 .10000E+07 11 'Prefactor ' 1.6602 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.8826 1.0000 .0000 .10000E+07 13 'norm ' .23847 1.0000 .0000 .10000E+07 14 'norm ' .27073E-06 1.0000 .0000 .10000E+07 15 'Prefactor ' 4.4325 1.0000 .0000 .10000E+07 16 'Normalizat' 1.7393 1.0000 .10000E-01 10.000 17 'Prefactor ' .86426 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 18122.55 FROM MIGRAD STATUS=CONVERGED 127 CALLS 1007 TOTAL EDM= .79E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .12212E-08 9.2849 -.56506E-06** at limit ** 2 norm 41.101 34.854 .35850E-05 -.40800E-02 3 Prefactor .15160E-05 4.8063 -.19142E-05** at limit ** 4 Prefactor .0000 29.753 .61000E-06** at limit ** 5 Prefactor .83267E-09 25.189 -.16406E-05** at limit ** 6 norm 18.308 7.4356 .13902E-05 .66783E-02 7 Prefactor .35822E-05 33.311 .84065E-05** at limit ** 8 norm 1.8136 9.6625 -.21548E-05 -.37701E-02 9 Prefactor .19523E-06 90.499 .14716E-04** at limit ** 10 norm 3.0707 4.1698 .14858E-06 .63607E-02 11 Prefactor 1.6443 9.4449 -.79851E-06 .26200E-02 12 Prefactor 1.9684 7.3971 .10019E-05 .39887E-02 13 norm .23919 1.7335 -.44664E-06** at limit ** 14 norm .18319E-08 11.300 -.14467E-07** at limit ** 15 Prefactor 4.2734 6.4546 -.98138E-06 -.71819E-03 16 Normalizat 1.7400 .21212 .23390E-05 .19656E-03 17 Prefactor .86408 .78126E-01 -.25338E-05 .16642E-03 ERR DEF= .500 Final values: norm = 1.22125e-09 norm = 41.1008 Prefactor = 1.51601e-06 Prefactor = 0 Prefactor = 8.32667e-10 norm = 18.3082 Prefactor = 3.58225e-06 norm = 1.81362 Prefactor = 1.95233e-07 norm = 3.07066 Prefactor = 1.64433 Prefactor = 1.96841 norm = 0.239192 norm = 1.83187e-09 Prefactor = 4.27339 Normalizat = 1.73997 Prefactor = 0.864083 ********** ** 18 **HESSE ********** FCN= 18122.55 FROM HESSE STATUS=OK 267 CALLS 1274 TOTAL EDM= .35E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .12212E-08 9.1203 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 norm 41.101 34.961 .15661E-03 -1.5580 3 Prefactor .15160E-05 60.202 .14386E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 5.0947 .16886E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .83267E-09 25.217 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm 18.308 7.4592 .23377E-03 -1.5622 7 Prefactor .35822E-05 148.26 .17202E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 1.8136 15.657 .77383E-03 -1.5681 9 Prefactor .19523E-06 121.79 .16833E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.0707 4.2051 .57872E-03 -1.5673 11 Prefactor 1.6443 9.7442 .81850E-03 -1.5682 12 Prefactor 1.9684 7.4518 .75836E-03 -1.5680 13 norm .23919 .83916 .34773E-02 -1.5698 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .18319E-08 11.334 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 4.2734 9.9980 .47807E-03 -1.5667 16 Normalizat 1.7400 .17744 .78880E-01 -.71241 17 Prefactor .86408 .64631E-01 .44548E-01 -.97408 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.48226e-07 Minuit parameter uncertainties: 1 0.000212048 2 34.9616 3 0.0191069 4 1.14914e-05 5 0.000294221 6 7.45915 7 0.0460927 8 10.6577 9 0.00975269 10 4.20507 11 8.00568 12 7.45182 13 0.839165 14 0.000286529 15 9.99803 16 0.177508 17 0.0646362 ********** ** 18 **HESSE ********** FCN= 18122.55 FROM HESSE STATUS=OK 267 CALLS 1274 TOTAL EDM= .35E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .12212E-08 9.1203 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 norm 41.101 34.961 .15661E-03 -1.5580 3 Prefactor .15160E-05 60.202 .14386E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 5.0947 .16886E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .83267E-09 25.217 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm 18.308 7.4592 .23377E-03 -1.5622 7 Prefactor .35822E-05 148.26 .17202E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 1.8136 15.657 .77383E-03 -1.5681 9 Prefactor .19523E-06 121.79 .16833E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.0707 4.2051 .57872E-03 -1.5673 11 Prefactor 1.6443 9.7442 .81850E-03 -1.5682 12 Prefactor 1.9684 7.4518 .75836E-03 -1.5680 13 norm .23919 .83916 .34773E-02 -1.5698 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .18319E-08 11.334 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 4.2734 9.9980 .47807E-03 -1.5667 16 Normalizat 1.7400 .17744 .78880E-01 -.71241 17 Prefactor .86408 .64631E-01 .44548E-01 -.97408 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.48226e-07 Minuit parameter uncertainties: 1 0.000212048 2 34.9616 3 0.0191069 4 1.14914e-05 5 0.000294221 6 7.45915 7 0.0460927 8 10.6577 9 0.00975269 10 4.20507 11 8.00568 12 7.45182 13 0.839165 14 0.000286529 15 9.99803 16 0.177508 17 0.0646362 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5527452 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 3.071e+00 4.205e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.641e-01 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.740e+00 1.775e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.85 Ra Dec: 285.743 -67.807 Photon Flux Upper Limit: 5.57791541752e-08 ph cm-2 s-1 Energy Flux Upper Limit: 1.87999618452e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31201724/likelihoodResults_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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) = 18121.9581089 delta logL = 0.594636309568 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 18121.9156064 delta logL = 0.63713878292 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 2.1187 1.0000 .0000 .10000E+07 2 'alpha ' 1.1459 1.0000 .0000 5.0000 3 'Normalizat' 1.7535 1.0000 .10000E-01 10.000 4 'Prefactor ' .86075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 18121.92 FROM MIGRAD STATUS=CONVERGED 48 CALLS 209 TOTAL EDM= .55E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 2.1186 2.2492 .70831E-03 .47266E-01 2 alpha 1.1460 .46689 .50000 -.11111E-03 3 Normalizat 1.7535 .17061 .78635E-01 .13795E-04 4 Prefactor .86075 .64145E-01 .44503E-01 .15847E-04 ERR DEF= .500 Final values: norm = 2.11863 alpha = 1.14599 Normalizat = 1.75355 Prefactor = 0.860745 ********** ** 18 **HESSE ********** FCN= 18121.92 FROM HESSE STATUS=OK 31 CALLS 240 TOTAL EDM= .17E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 2.1186 2.8607 .20120E-04 -1.5679 2 alpha 1.1460 .69318 .29198E-01 -.57235 3 Normalizat 1.7535 .20646 .34798E-03 -.70882 4 Prefactor .86075 .77705E-01 .17677E-03 -.97527 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.66572e-08 Minuit parameter uncertainties: 1 2.86067 2 0.706403 3 0.206561 4 0.0777146 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5527452 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 3.071e+00 4.205e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.641e-01 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.740e+00 1.775e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.85 Ra Dec: 285.743 -67.807 Photon Flux Upper Limit: 5.57791541752e-08 ph cm-2 s-1 Energy Flux Upper Limit: 1.87999618452e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31201721/likelihoodResults_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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) = 18121.9581089 delta logL = 0.594636309568 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 18121.9156064 delta logL = 0.63713878292 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 2.1187 1.0000 .0000 .10000E+07 2 'alpha ' 1.1459 1.0000 .0000 5.0000 3 'Normalizat' 1.7535 1.0000 .10000E-01 10.000 4 'Prefactor ' .86075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 18121.92 FROM MIGRAD STATUS=CONVERGED 48 CALLS 209 TOTAL EDM= .55E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 2.1186 2.2492 .70831E-03 .47266E-01 2 alpha 1.1460 .46689 .50000 -.11111E-03 3 Normalizat 1.7535 .17061 .78635E-01 .13795E-04 4 Prefactor .86075 .64145E-01 .44503E-01 .15847E-04 ERR DEF= .500 Final values: norm = 2.11863 alpha = 1.14599 Normalizat = 1.75355 Prefactor = 0.860745 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) = 18121.9156064 delta logL = 0.637138814556 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 2.119e+00 2.861e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 1.146e+00 7.064e-01 0.000e+00 5.000e+00 ( 1.000e+00) 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.607e-01 7.771e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.754e+00 2.066e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 2.13 Ra Dec: 285.743 -67.807 Photon Index (Free Index): 1.15 +/- 0.71 Photon Flux (Free Index): 4.85e-09 +/- 5.97e-09 Energy Flux (Free Index): 1.27e-05 +/- 1.89e-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/31201724/cmap_HighResolution_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.88e-05', comment='SUCCESS', energy_flux2='1.27e-05', dlogl='6.37e-01', photon_flux2='4.85e-09', job_status='DONE', time_completed='2026-07-10 06:01:28.964492', photon_index_error2='0.71', photon_index2='1.15', ts='0.85', fit_tolerance='1e-08', GAL='0.86', photon_index_error='0.00', photon_flux_upper_limit='5.58e-08', energy_flux_error2='1.89e-05', EG='1.74', time_epoch_completed='1783688488.96', return_code='0', job_id='31201724', GAL2='0.86', EG2='1.75', return_code2='0', photon_flux_error2='5.97e-09', ts2='2.13', photon_index='2.31' WHERE bin_id='933' AND source_name='4FGL J1902.9-6748' AND cadence='weekly'; Database successfully updated. Analysis Complete. Fri Jul 10 06:01:29 PDT 2026 ********** ** 18 **HESSE ********** FCN= 18121.92 FROM HESSE STATUS=OK 31 CALLS 240 TOTAL EDM= .17E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 2.1186 2.8607 .20120E-04 -1.5679 2 alpha 1.1460 .69318 .29198E-01 -.57235 3 Normalizat 1.7535 .20646 .34798E-03 -.70882 4 Prefactor .86075 .77705E-01 .17677E-03 -.97527 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.66572e-08 Minuit parameter uncertainties: 1 2.86067 2 0.706403 3 0.206561 4 0.0777146 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) = 18121.9156064 delta logL = 0.637138814556 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 2.119e+00 2.861e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 1.146e+00 7.064e-01 0.000e+00 5.000e+00 ( 1.000e+00) 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.607e-01 7.771e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.754e+00 2.066e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 2.13 Ra Dec: 285.743 -67.807 Photon Index (Free Index): 1.15 +/- 0.71 Photon Flux (Free Index): 4.85e-09 +/- 5.97e-09 Energy Flux (Free Index): 1.27e-05 +/- 1.89e-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/31201721/cmap_HighResolution_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.88e-05', comment='SUCCESS', energy_flux2='1.27e-05', dlogl='6.37e-01', photon_flux2='4.85e-09', job_status='DONE', time_completed='2026-07-10 06:01:32.652485', photon_index_error2='0.71', photon_index2='1.15', ts='0.85', fit_tolerance='1e-08', GAL='0.86', photon_index_error='0.00', photon_flux_upper_limit='5.58e-08', energy_flux_error2='1.89e-05', EG='1.74', time_epoch_completed='1783688492.65', return_code='0', job_id='31201721', GAL2='0.86', EG2='1.75', return_code2='0', photon_flux_error2='5.97e-09', ts2='2.13', photon_index='2.31' WHERE bin_id='933' AND source_name='4FGL J1902.9-6748' AND cadence='weekly'; Database successfully updated. Analysis Complete. Fri Jul 10 06:01:32 PDT 2026 number of points = 17530 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1902.9-6748_weekly_bin933 RA = 285.743, Dec = -67.8068 tmin = 803260801, tmax = 803865601 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='31202024', job_status='RUN', time_executed='2026-07-10 05:57:16.932501', time_epoch_executed='1783688236.93' WHERE source_name='4FGL J1902.9-6748' and cadence='weekly' and bin_id='933' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31202024 Creating custom pfile directory: /lscratch/kocevski/31202024/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31202024/ft1_4FGL_J1902.9-6748_weekly_bin933.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31202024/ft1_4FGL_J1902.9-6748_weekly_bin933.fits outfile=/lscratch/kocevski/31202024/ft1_filteredMKT_4FGL_J1902.9-6748_weekly_bin933.fits ra=285.743 dec=-67.8068 rad=12.0 tmin=803260801.0 tmax=803865601.0 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 4.37 user 3.68 sys 0.23 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.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/31202024/ft1_filteredMKT_4FGL_J1902.9-6748_weekly_bin933.fits evtable="EVENTS" outfile="/lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.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 0.87 user 0.23 sys 0.14 Number of photons that the gtmktime cut: 1716 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits sctable="SC_DATA" outfile=/lscratch/kocevski/31202024/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits .....................! real 21.83 user 20.79 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31202024/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits outfile=/lscratch/kocevski/31202024/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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/31202024/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits .....................! real 73.41 user 68.01 sys 4.26 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 FHES J1642.1-5428 in ROI with RadialDisk spatial model. Added 217 point sources and 1 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 J1902.9-6748 @ 285.743 -67.8068 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits scfile=/lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits outfile=/lscratch/kocevski/31202024/cmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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=285.743 yref=-67.8068 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 1.08 user 0.25 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits scfile=/lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits outfile=/lscratch/kocevski/31202024/cmap_HighResolution_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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=285.743 yref=-67.8068 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 0.77 user 0.23 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31202024/Model_4FGL_J1902.9-6748_weekly_bin933.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 J1642.1-5428 adding source GAL_V02 Working on... /lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits.....................! real 67.11 user 65.26 sys 1.15 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits', '/lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits', expMap='/lscratch/kocevski/31202024/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', expCube='/lscratch/kocevski/31202024/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31202024/Model_4FGL_J1902.9-6748_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1902.9-6748' 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 6.756e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31202024/ft1_filtered_4FGL_J1902.9-6748_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31202024/ft2_4FGL_J1902.9-6748_weekly_bin933.fits Exposure map: /lscratch/kocevski/31202024/expmap_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31202024/ltcube_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31202024/Model_4FGL_J1902.9-6748_weekly_bin933.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) = 18122.6480128 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5542088 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .12311E-04 1.0000 .0000 .10000E+07 2 'norm ' 40.778 1.0000 .0000 .10000E+07 3 'Prefactor ' .83830E-01 1.0000 .0000 .10000E+07 4 'Prefactor ' .22366E-01 1.0000 .0000 .10000E+07 5 'Prefactor ' .19609E-03 1.0000 .0000 .10000E+07 6 'norm ' 18.313 1.0000 .0000 .10000E+07 7 'Prefactor ' .17577E-01 1.0000 .0000 .10000E+07 8 'norm ' 1.8197 1.0000 .0000 .10000E+07 9 'Prefactor ' .23221E-01 1.0000 .0000 .10000E+07 10 'norm ' 3.0696 1.0000 .0000 .10000E+07 11 'Prefactor ' 1.6602 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.8826 1.0000 .0000 .10000E+07 13 'norm ' .23847 1.0000 .0000 .10000E+07 14 'norm ' .27073E-06 1.0000 .0000 .10000E+07 15 'Prefactor ' 4.4325 1.0000 .0000 .10000E+07 16 'Normalizat' 1.7393 1.0000 .10000E-01 10.000 17 'Prefactor ' .86426 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 18122.55 FROM MIGRAD STATUS=CONVERGED 127 CALLS 1007 TOTAL EDM= .79E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .12212E-08 9.2849 -.56506E-06** at limit ** 2 norm 41.101 34.854 .35850E-05 -.40800E-02 3 Prefactor .15160E-05 4.8063 -.19142E-05** at limit ** 4 Prefactor .0000 29.753 .61000E-06** at limit ** 5 Prefactor .83267E-09 25.189 -.16406E-05** at limit ** 6 norm 18.308 7.4356 .13902E-05 .66783E-02 7 Prefactor .35822E-05 33.311 .84065E-05** at limit ** 8 norm 1.8136 9.6625 -.21548E-05 -.37701E-02 9 Prefactor .19523E-06 90.499 .14716E-04** at limit ** 10 norm 3.0707 4.1698 .14858E-06 .63607E-02 11 Prefactor 1.6443 9.4449 -.79851E-06 .26200E-02 12 Prefactor 1.9684 7.3971 .10019E-05 .39887E-02 13 norm .23919 1.7335 -.44664E-06** at limit ** 14 norm .18319E-08 11.300 -.14467E-07** at limit ** 15 Prefactor 4.2734 6.4546 -.98138E-06 -.71819E-03 16 Normalizat 1.7400 .21212 .23390E-05 .19656E-03 17 Prefactor .86408 .78126E-01 -.25338E-05 .16642E-03 ERR DEF= .500 Final values: norm = 1.22125e-09 norm = 41.1008 Prefactor = 1.51601e-06 Prefactor = 0 Prefactor = 8.32667e-10 norm = 18.3082 Prefactor = 3.58225e-06 norm = 1.81362 Prefactor = 1.95233e-07 norm = 3.07066 Prefactor = 1.64433 Prefactor = 1.96841 norm = 0.239192 norm = 1.83187e-09 Prefactor = 4.27339 Normalizat = 1.73997 Prefactor = 0.864083 ********** ** 18 **HESSE ********** FCN= 18122.55 FROM HESSE STATUS=OK 267 CALLS 1274 TOTAL EDM= .35E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .12212E-08 9.1203 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 norm 41.101 34.961 .15661E-03 -1.5580 3 Prefactor .15160E-05 60.202 .14386E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 5.0947 .16886E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .83267E-09 25.217 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm 18.308 7.4592 .23377E-03 -1.5622 7 Prefactor .35822E-05 148.26 .17202E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 1.8136 15.657 .77383E-03 -1.5681 9 Prefactor .19523E-06 121.79 .16833E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.0707 4.2051 .57872E-03 -1.5673 11 Prefactor 1.6443 9.7442 .81850E-03 -1.5682 12 Prefactor 1.9684 7.4518 .75836E-03 -1.5680 13 norm .23919 .83916 .34773E-02 -1.5698 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .18319E-08 11.334 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 4.2734 9.9980 .47807E-03 -1.5667 16 Normalizat 1.7400 .17744 .78880E-01 -.71241 17 Prefactor .86408 .64631E-01 .44548E-01 -.97408 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.48226e-07 Minuit parameter uncertainties: 1 0.000212048 2 34.9616 3 0.0191069 4 1.14914e-05 5 0.000294221 6 7.45915 7 0.0460927 8 10.6577 9 0.00975269 10 4.20507 11 8.00568 12 7.45182 13 0.839165 14 0.000286529 15 9.99803 16 0.177508 17 0.0646362 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 18122.5527452 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 3.071e+00 4.205e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 2.313e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.641e-01 6.464e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.740e+00 1.775e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.85 Ra Dec: 285.743 -67.807 Photon Flux Upper Limit: 5.57791541752e-08 ph cm-2 s-1 Energy Flux Upper Limit: 1.87999618452e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31202024/likelihoodResults_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.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) = 18121.9581089 delta logL = 0.594636309568 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 18121.9156064 delta logL = 0.63713878292 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 2.1187 1.0000 .0000 .10000E+07 2 'alpha ' 1.1459 1.0000 .0000 5.0000 3 'Normalizat' 1.7535 1.0000 .10000E-01 10.000 4 'Prefactor ' .86075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7390E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 18121.92 FROM MIGRAD STATUS=CONVERGED 48 CALLS 209 TOTAL EDM= .55E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 2.1186 2.2492 .70831E-03 .47266E-01 2 alpha 1.1460 .46689 .50000 -.11111E-03 3 Normalizat 1.7535 .17061 .78635E-01 .13795E-04 4 Prefactor .86075 .64145E-01 .44503E-01 .15847E-04 ERR DEF= .500 Final values: norm = 2.11863 alpha = 1.14599 Normalizat = 1.75355 Prefactor = 0.860745 ********** ** 18 **HESSE ********** FCN= 18121.92 FROM HESSE STATUS=OK 31 CALLS 240 TOTAL EDM= .17E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 2.1186 2.8607 .20120E-04 -1.5679 2 alpha 1.1460 .69318 .29198E-01 -.57235 3 Normalizat 1.7535 .20646 .34798E-03 -.70882 4 Prefactor .86075 .77705E-01 .17677E-03 -.97527 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.66572e-08 Minuit parameter uncertainties: 1 2.86067 2 0.706403 3 0.206561 4 0.0777146 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) = 18121.9156064 delta logL = 0.637138814556 Extracting fit parameters... 4FGL J1902.9-6748 Spectrum: LogParabola 435 norm: 2.119e+00 2.861e+00 0.000e+00 1.000e+06 ( 1.000e-12) 436 alpha: 1.146e+00 7.064e-01 0.000e+00 5.000e+00 ( 1.000e+00) 437 beta: 1.311e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 438 Eb: 6.088e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 736 Prefactor: 8.607e-01 7.771e-02 0.000e+00 1.000e+01 ( 1.000e+00) 737 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 738 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 732 Normalization: 1.754e+00 2.066e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 2.13 Ra Dec: 285.743 -67.807 Photon Index (Free Index): 1.15 +/- 0.71 Photon Flux (Free Index): 4.85e-09 +/- 5.97e-09 Energy Flux (Free Index): 1.27e-05 +/- 1.89e-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/31202024/cmap_HighResolution_803260801_803865601_4FGL_J1902.9-6748_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.88e-05', comment='SUCCESS', energy_flux2='1.27e-05', dlogl='6.37e-01', photon_flux2='4.85e-09', job_status='DONE', time_completed='2026-07-10 06:10:48.709016', photon_index_error2='0.71', photon_index2='1.15', ts='0.85', fit_tolerance='1e-08', GAL='0.86', photon_index_error='0.00', photon_flux_upper_limit='5.58e-08', energy_flux_error2='1.89e-05', EG='1.74', time_epoch_completed='1783689048.71', return_code='0', job_id='31202024', GAL2='0.86', EG2='1.75', return_code2='0', photon_flux_error2='5.97e-09', ts2='2.13', photon_index='2.31' WHERE bin_id='933' AND source_name='4FGL J1902.9-6748' AND cadence='weekly'; Database successfully updated. Analysis Complete. Fri Jul 10 06:10:49 PDT 2026