********** ** 18 **HESSE ********** FCN= 6569.976 FROM HESSE STATUS=OK 648 CALLS 2871 TOTAL EDM= .96E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 33.006 29.948 .16983E-03 -1.5593 2 Prefactor 2.9621 7.4423 .60123E-03 -1.5674 3 Prefactor 15.785 4.9969 .25181E-03 -1.5629 4 Prefactor .17200E-04 57.536 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .0000 2.2987 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 1.2182 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .33795E-06 16.493 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 10.777 5.9689 .30512E-03 -1.5642 9 Prefactor 17.846 16.952 .23727E-03 -1.5623 10 Prefactor 18.511 19.882 .23205E-03 -1.5622 11 Prefactor 5.1676 4.4889 .44198E-03 -1.5662 12 Prefactor .35399E-06 14.044 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 2.7227 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .16653E-09 3.4323 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm .0000 3.1477 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 3.7417 3.3946 .52229E-03 -1.5669 17 Prefactor 7.1621 4.2397 .37514E-03 -1.5654 18 Prefactor .90039E-07 11.864 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .0000 1.1939 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .0000 3.5241 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 norm .0000 .19261 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 norm .51070E-08 8.7230 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .26028E-04 83.148 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Prefactor 2.5908 2.6491 .63397E-03 -1.5676 25 Prefactor 5.4543 12.276 .43263E-03 -1.5661 26 norm 23.344 16.879 .20675E-03 -1.5611 27 Prefactor 4.4108 3.6210 .47685E-03 -1.5666 28 Prefactor 2.9813 2.9587 .58714E-03 -1.5673 29 Normalizat .66430 .15686 .41806E-01 -1.0532 30 Prefactor 1.0345 .15367 .40939E-01 -.91589 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.56701e-07 Minuit parameter uncertainties: 1 29.9481 2 7.44229 3 4.99694 4 0.0629169 5 8.7925e-07 6 7.27856e-06 7 0.00472166 8 5.96886 9 16.9522 10 19.8823 11 4.48891 12 0.00445934 13 4.24596e-06 14 5.04051e-05 15 6.49039e-07 16 3.39458 17 4.23966 18 0.00206709 19 3.34023e-06 20 1.29402e-05 21 1.25152e-10 22 0.000422436 23 0.0930421 24 2.64913 25 12.2758 26 16.8791 27 3.621 28 2.95865 29 0.156969 30 0.153731 ********** ** 18 **HESSE ********** FCN= 6569.976 FROM HESSE STATUS=OK 648 CALLS 2871 TOTAL EDM= .96E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 33.006 29.948 .16983E-03 -1.5593 2 Prefactor 2.9621 7.4423 .60123E-03 -1.5674 3 Prefactor 15.785 4.9969 .25181E-03 -1.5629 4 Prefactor .17200E-04 57.536 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .0000 2.2987 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 1.2182 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .33795E-06 16.493 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 10.777 5.9689 .30512E-03 -1.5642 9 Prefactor 17.846 16.952 .23727E-03 -1.5623 10 Prefactor 18.511 19.882 .23205E-03 -1.5622 11 Prefactor 5.1676 4.4889 .44198E-03 -1.5662 12 Prefactor .35399E-06 14.044 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 2.7227 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .16653E-09 3.4323 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm .0000 3.1477 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 3.7417 3.3946 .52229E-03 -1.5669 17 Prefactor 7.1621 4.2397 .37514E-03 -1.5654 18 Prefactor .90039E-07 11.864 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .0000 1.1939 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .0000 3.5241 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 norm .0000 .19261 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 norm .51070E-08 8.7230 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .26028E-04 83.148 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Prefactor 2.5908 2.6491 .63397E-03 -1.5676 25 Prefactor 5.4543 12.276 .43263E-03 -1.5661 26 norm 23.344 16.879 .20675E-03 -1.5611 27 Prefactor 4.4108 3.6210 .47685E-03 -1.5666 28 Prefactor 2.9813 2.9587 .58714E-03 -1.5673 29 Normalizat .66430 .15686 .41806E-01 -1.0532 30 Prefactor 1.0345 .15367 .40939E-01 -.91589 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.56701e-07 Minuit parameter uncertainties: 1 29.9481 2 7.44229 3 4.99694 4 0.0629169 5 8.7925e-07 6 7.27856e-06 7 0.00472166 8 5.96886 9 16.9522 10 19.8823 11 4.48891 12 0.00445934 13 4.24596e-06 14 5.04051e-05 15 6.49039e-07 16 3.39458 17 4.23966 18 0.00206709 19 3.34023e-06 20 1.29402e-05 21 1.25152e-10 22 0.000422436 23 0.0930421 24 2.64913 25 12.2758 26 16.8791 27 3.621 28 2.95865 29 0.156969 30 0.153731 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 6569.97622772 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 3.540e-07 4.459e-03 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.851e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.537e-01 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.570e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 342.879 -49.469 Photon Flux Upper Limit: 2.97848358528e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00220507648253 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/38341685/likelihoodResults_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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) = 6570.01047709 delta logL = -0.0342493665266 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 6569.97622775 delta logL = -3.03798515233e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .22737E-06 1.0000 .0000 .10000E+07 2 'Index ' .31222 1.0000 .0000 10.000 3 'Normalizat' .66431 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0345 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5920E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 6569.976 FROM MIGRAD STATUS=CONVERGED 29 CALLS 203 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.0% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 14.171 .59004E-06** at limit ** 2 Index 1.5629 5.5417 .10140E-04 .0000 3 Normalizat .66430 .17306 -.67029E-06 .20427E-05 4 Prefactor 1.0345 .17794 .11016E-05 -.68177E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.5629 Normalizat = 0.664303 Prefactor = 1.03448 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 6569.976 FROM HESSE STATUS=FAILED 11 CALLS 214 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 14.161 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .22757 1.5676 .10140E-04 -.75793 3 Normalizat .66430 1.0035 -.67029E-06 -1.0532 4 Prefactor 1.0345 1.2117 .11016E-05 -.91589 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 2.35586e-13 Minuit parameter uncertainties: 1 1.13576e-05 2 1.34249 3 1.03339 4 1.24618 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 6569.97622771 delta logL = 1.26065060613e-08 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 0.000e+00 1.136e-05 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.563e+00 1.342e+00 0.000e+00 1.000e+01 (-1.000e+00) 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.246e+00 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.033e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 342.879 -49.469 Creating a high resolution counts map... INFO: Auto-setting vmin to -2.500e-04 [aplpy.core] INFO: Auto-setting vmax to 2.775e-03 [aplpy.core] Saving /lscratch/kocevski/38341685/cmap_HighResolution_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.21e-03', job_status='DONE', photon_flux_upper_limit='2.98e-08', time_completed='2026-09-15 20:03:40.726493', job_id='38341685', GAL2='1.03', fit_tolerance='1e-08', EG2='0.66', EG='0.66', time_epoch_completed='1789527820.73', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.03', dlogl='1.26e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.85' WHERE bin_id='2205' AND source_name='4FGL J2251.5-4928' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Sep 15 20:03:40 PDT 2026 /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). Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 6569.97622772 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 3.540e-07 4.459e-03 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.851e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.537e-01 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.570e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 342.879 -49.469 Photon Flux Upper Limit: 2.97848358528e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00220507648253 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/38341707/likelihoodResults_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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) = 6570.01047709 delta logL = -0.0342493665266 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 6569.97622775 delta logL = -3.03798515233e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .22737E-06 1.0000 .0000 .10000E+07 2 'Index ' .31222 1.0000 .0000 10.000 3 'Normalizat' .66431 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0345 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5920E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 6569.976 FROM MIGRAD STATUS=CONVERGED 29 CALLS 203 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.0% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 14.171 .59004E-06** at limit ** 2 Index 1.5629 5.5417 .10140E-04 .0000 3 Normalizat .66430 .17306 -.67029E-06 .20427E-05 4 Prefactor 1.0345 .17794 .11016E-05 -.68177E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.5629 Normalizat = 0.664303 Prefactor = 1.03448 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 6569.976 FROM HESSE STATUS=FAILED 11 CALLS 214 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 14.161 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .22757 1.5676 .10140E-04 -.75793 3 Normalizat .66430 1.0035 -.67029E-06 -1.0532 4 Prefactor 1.0345 1.2117 .11016E-05 -.91589 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 2.35586e-13 Minuit parameter uncertainties: 1 1.13576e-05 2 1.34249 3 1.03339 4 1.24618 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 6569.97622771 delta logL = 1.26065060613e-08 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 0.000e+00 1.136e-05 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.563e+00 1.342e+00 0.000e+00 1.000e+01 (-1.000e+00) 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.246e+00 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.033e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 342.879 -49.469 Creating a high resolution counts map... INFO: Auto-setting vmin to -2.500e-04 [aplpy.core] INFO: Auto-setting vmax to 2.775e-03 [aplpy.core] Saving /lscratch/kocevski/38341707/cmap_HighResolution_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.21e-03', job_status='DONE', photon_flux_upper_limit='2.98e-08', time_completed='2026-09-15 20:04:13.707574', job_id='38341707', GAL2='1.03', fit_tolerance='1e-08', EG2='0.66', EG='0.66', time_epoch_completed='1789527853.71', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.03', dlogl='1.26e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.85' WHERE bin_id='2205' AND source_name='4FGL J2251.5-4928' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Sep 15 20:04:13 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 6569.97622772 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 3.540e-07 4.459e-03 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.851e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.537e-01 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.570e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 342.879 -49.469 Photon Flux Upper Limit: 2.97848358528e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00220507648253 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/38341708/likelihoodResults_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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) = 6570.01047709 delta logL = -0.0342493665266 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 6569.97622775 delta logL = -3.03798515233e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .22737E-06 1.0000 .0000 .10000E+07 2 'Index ' .31222 1.0000 .0000 10.000 3 'Normalizat' .66431 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0345 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5920E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 6569.976 FROM MIGRAD STATUS=CONVERGED 29 CALLS 203 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.0% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 14.171 .59004E-06** at limit ** 2 Index 1.5629 5.5417 .10140E-04 .0000 3 Normalizat .66430 .17306 -.67029E-06 .20427E-05 4 Prefactor 1.0345 .17794 .11016E-05 -.68177E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.5629 Normalizat = 0.664303 Prefactor = 1.03448 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 6569.976 FROM HESSE STATUS=FAILED 11 CALLS 214 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 14.161 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .22757 1.5676 .10140E-04 -.75793 3 Normalizat .66430 1.0035 -.67029E-06 -1.0532 4 Prefactor 1.0345 1.2117 .11016E-05 -.91589 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 2.35586e-13 Minuit parameter uncertainties: 1 1.13576e-05 2 1.34249 3 1.03339 4 1.24618 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 6569.97622771 delta logL = 1.26065060613e-08 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 0.000e+00 1.136e-05 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.563e+00 1.342e+00 0.000e+00 1.000e+01 (-1.000e+00) 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.246e+00 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.033e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 342.879 -49.469 Creating a high resolution counts map... INFO: Auto-setting vmin to -2.500e-04 [aplpy.core] INFO: Auto-setting vmax to 2.775e-03 [aplpy.core] Saving /lscratch/kocevski/38341708/cmap_HighResolution_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.21e-03', job_status='DONE', photon_flux_upper_limit='2.98e-08', time_completed='2026-09-15 20:04:16.409354', job_id='38341708', GAL2='1.03', fit_tolerance='1e-08', EG2='0.66', EG='0.66', time_epoch_completed='1789527856.41', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.03', dlogl='1.26e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.85' WHERE bin_id='2205' AND source_name='4FGL J2251.5-4928' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Sep 15 20:04:16 PDT 2026 number of points = 7633 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2251.5-4928_daily_bin2205 RA = 342.879, Dec = -49.4691 tmin = 810864001, tmax = 811123201 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='38341979', job_status='RUN', time_executed='2026-09-15 20:03:48.884237', time_epoch_executed='1789527828.88' WHERE source_name='4FGL J2251.5-4928' and cadence='daily' and bin_id='2205' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/38341979 Creating custom pfile directory: /lscratch/kocevski/38341979/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=810864001.0 && nMetStart<811123201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=810864001.0 && nMetStart<811123201.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/38341979/ft1_4FGL_J2251.5-4928_daily_bin2205.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=810864001.0 && nMetStart<811123201.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/38341979/ft1_4FGL_J2251.5-4928_daily_bin2205.fits outfile=/lscratch/kocevski/38341979/ft1_filteredMKT_4FGL_J2251.5-4928_daily_bin2205.fits ra=342.879 dec=-49.4691 rad=12.0 tmin=810864001.0 tmax=811123201.0 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 4.12 user 3.50 sys 0.17 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.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/38341979/ft1_filteredMKT_4FGL_J2251.5-4928_daily_bin2205.fits evtable="EVENTS" outfile="/lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.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 0.69 user 0.24 sys 0.12 Number of photons that the gtmktime cut: 607 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits" evtable="EVENTS" scfile=/lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits sctable="SC_DATA" e GAL_V02 Working on... /lscratch/kocevski/38341738/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits.....................! real 22.13 user 19.97 sys 1.13 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/38341738/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits', '/lscratch/kocevski/38341738/ft2_4FGL_J2251.5-4928_daily_bin2205.fits', expMap='/lscratch/kocevski/38341738/expmap_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits', expCube='/lscratch/kocevski/38341738/ltcube_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/38341738/Model_4FGL_J2251.5-4928_daily_bin2205.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2251.5-4928' 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 7.449e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.851e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/38341738/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits Spacecraft file(s): /lscratch/kocevski/38341738/ft2_4FGL_J2251.5-4928_daily_bin2205.fits Exposure map: /lscratch/kocevski/38341738/expmap_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits Exposure cube: /lscratch/kocevski/38341738/ltcube_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/38341738/Model_4FGL_J2251.5-4928_daily_bin2205.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) = 6570.03402872 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 6569.9786466 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 34.681 1.0000 .0000 .10000E+07 2 'Prefactor ' 2.8568 1.0000 .0000 .10000E+07 3 'Prefactor ' 15.787 1.0000 .0000 .10000E+07 4 'Prefactor ' .41968E-03 1.0000 .0000 .10000E+07 5 'norm ' .11199E-03 1.0000 .0000 .10000E+07 6 'Prefactor ' .55678E-07 1.0000 .0000 .10000E+07 7 'Prefactor ' .21684E-02 1.0000 .0000 .10000E+07 8 'Prefactor ' 10.765 1.0000 .0000 .10000E+07 9 'Prefactor ' 17.778 1.0000 .0000 .10000E+07 10 'Prefactor ' 18.585 1.0000 .0000 .10000E+07 11 'Prefactor ' 5.1680 1.0000 .0000 .10000E+07 12 'Prefactor ' .95218E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' .25164E-03 1.0000 .0000 .10000E+07 14 'norm ' .11134E-05 1.0000 .0000 .10000E+07 15 'norm ' .28064E-03 1.0000 .0000 .10000E+07 16 'norm ' 3.7341 1.0000 .0000 .10000E+07 17 'Prefactor ' 7.1411 1.0000 .0000 .10000E+07 18 'Prefactor ' .26375E-03 1.0000 .0000 .10000E+07 19 'norm ' .11819E-04 1.0000 .0000 .10000E+07 20 'Prefactor ' .16627E-04 1.0000 .0000 .10000E+07 21 'norm ' .15821E-07 1.0000 .0000 .10000E+07 22 'norm ' .77961E-02 1.0000 .0000 .10000E+07 23 'Prefactor ' .48284E-02 1.0000 .0000 .10000E+07 24 'Prefactor ' 2.5886 1.0000 .0000 .10000E+07 25 'Prefactor ' 5.3895 1.0000 .0000 .10000E+07 26 'norm ' 23.405 1.0000 .0000 .10000E+07 27 'Prefactor ' 4.4547 1.0000 .0000 .10000E+07 28 'Prefactor ' 2.9870 1.0000 .0000 .10000E+07 29 'Normalizat' .66387 1.0000 .10000E-01 10.000 30 'Prefactor ' 1.0342 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5920E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 6569.976 FROM MIGRAD STATUS=CONVERGED 209 CALLS 2223 TOTAL EDM= .46E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .9% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 33.006 26.214 .75203E-07 .84104E-01 2 Prefactor 2.9621 7.3030 .44208E-07 -.11018E-02 3 Prefactor 15.785 4.9760 .10042E-07 .65565E-03 4 Prefactor .17200E-04 37.491 -.31010E-06** at limit ** 5 norm .0000 2.2929 .17940E-08** at limit ** 6 Prefactor .0000 1.2218 -.69355E-07** at limit ** 7 Prefactor .33795E-06 16.015 -.34975E-07** at limit ** 8 Prefactor 10.777 5.8791 .14167E-07 .25626E-05 9 Prefactor 17.846 1.4084 .15753E-08 -.22608E-02 10 Prefactor 18.511 2.4032 .44081E-08 .95007E-03 11 Prefactor 5.1676 4.4838 .80876E-08 -.22724E-04 12 Prefactor .35399E-06 13.565 -.12618E-06** at limit ** 13 Prefactor .0000 2.7192 .59682E-07** at limit ** 14 norm .16653E-09 3.4309 -.92339E-07** at limit ** 15 norm .0000 3.1679 -.13307E-07** at limit ** 16 norm 3.7417 3.3975 -.56313E-07 -.18105E-02 17 Prefactor 7.1621 4.2355 .49664E-08 -.26162E-03 18 Prefactor .90039E-07 11.747 -.79694E-07** at limit ** 19 norm .0000 1.1947 .43965E-07** at limit ** 20 Prefactor .0000 3.5241 -.67846E-07** at limit ** 21 norm .0000 .19321 -.15909E-09** at limit ** 22 norm .51070E-08 9.0865 .62812E-07** at limit ** 23 Prefactor .26028E-04 55.133 -.60134E-06** at limit ** 24 Prefactor 2.5908 2.6261 .42035E-07 .40661E-03 25 Prefactor 5.4543 12.171 .38107E-07 .14919E-01 26 norm 23.344 1.0321 -.19142E-08 .36759E-03 27 Prefactor 4.4108 3.5323 -.54072E-07 -.19316E-02 28 Prefactor 2.9813 2.9563 .18417E-07 .21400E-03 29 Normalizat .66430 .17982 -.21377E-05 -.13256E-03 30 Prefactor 1.0345 .17886 .15433E-06 -.14001E-03 ERR DEF= .500 Final values: Prefactor = 33.0062 Prefactor = 2.96209 Prefactor = 15.785 Prefactor = 1.71999e-05 norm = 0 Prefactor = 0 Prefactor = 3.37952e-07 Prefactor = 10.7774 Prefactor = 17.8464 Prefactor = 18.5106 Prefactor = 5.16765 Prefactor = 3.53995e-07 Prefactor = 0 norm = 1.66533e-10 norm = 0 norm = 3.74175 Prefactor = 7.16205 Prefactor = 9.00391e-08 norm = 0 Prefactor = 0 norm = 0 norm = 5.10703e-09 Prefactor = 2.60278e-05 Prefactor = 2.59078 Prefactor = 5.4543 norm = 23.3437 Prefactor = 4.41082 Prefactor = 2.98128 Normalizat = 0.664303 Prefactor = 1.03449 ********** ** 18 **HESSE ********** FCN= 6569.976 FROM HESSE STATUS=OK 648 CALLS 2871 TOTAL EDM= .96E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 33.006 29.948 .16983E-03 -1.5593 2 Prefactor 2.9621 7.4423 .60123E-03 -1.5674 3 Prefactor 15.785 4.9969 .25181E-03 -1.5629 4 Prefactor .17200E-04 57.536 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .0000 2.2987 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 1.2182 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .33795E-06 16.493 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 10.777 5.9689 .30512E-03 -1.5642 9 Prefactor 17.846 16.952 .23727E-03 -1.5623 10 Prefactor 18.511 19.882 .23205E-03 -1.5622 11 Prefactor 5.1676 4.4889 .44198E-03 -1.5662 12 Prefactor .35399E-06 14.044 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 2.7227 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .16653E-09 3.4323 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm .0000 3.1477 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 3.7417 3.3946 .52229E-03 -1.5669 17 Prefactor 7.1621 4.2397 .37514E-03 -1.5654 18 Prefactor .90039E-07 11.864 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .0000 1.1939 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .0000 3.5241 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 norm .0000 .19261 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 norm .51070E-08 8.7230 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .26028E-04 83.148 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Prefactor 2.5908 2.6491 .63397E-03 -1.5676 25 Prefactor 5.4543 12.276 .43263E-03 -1.5661 26 norm 23.344 16.879 .20675E-03 -1.5611 27 Prefactor 4.4108 3.6210 .47685E-03 -1.5666 28 Prefactor 2.9813 2.9587 .58714E-03 -1.5673 29 Normalizat .66430 .15686 .41806E-01 -1.0532 30 Prefactor 1.0345 .15367 .40939E-01 -.91589 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.56701e-07 Minuit parameter uncertainties: 1 29.9481 2 7.44229 3 4.99694 4 0.0629169 5 8.7925e-07 6 7.27856e-06 7 0.00472166 8 5.96886 9 16.9522 10 19.8823 11 4.48891 12 0.00445934 13 4.24596e-06 14 5.04051e-05 15 6.49039e-07 16 3.39458 17 4.23966 18 0.00206709 19 3.34023e-06 20 1.29402e-05 21 1.25152e-10 22 0.000422436 23 0.0930421 24 2.64913 25 12.2758 26 16.8791 27 3.621 28 2.95865 29 0.156969 30 0.153731 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 6569.97622772 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 3.540e-07 4.459e-03 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.851e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.537e-01 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.570e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 342.879 -49.469 Photon Flux Upper Limit: 2.97848358528e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00220507648253 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/38341738/likelihoodResults_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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) = 6570.01047709 delta logL = -0.0342493665266 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 6569.97622775 delta logL = -3.03798515233e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .22737E-06 1.0000 .0000 .10000E+07 2 'Index ' .31222 1.0000 .0000 10.000 3 'Normalizat' .66431 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0345 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5920E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 6569.976 FROM MIGRAD STATUS=CONVERGED 29 CALLS 203 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.0% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 14.171 .59004E-06** at limit ** 2 Index 1.5629 5.5417 .10140E-04 .0000 3 Normalizat .66430 .17306 -.67029E-06 .20427E-05 4 Prefactor 1.0345 .17794 .11016E-05 -.68177E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.5629 Normalizat = 0.664303 Prefactor = 1.03448 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 6569.976 FROM HESSE STATUS=FAILED 11 CALLS 214 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 14.161 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .22757 1.5676 .10140E-04 -.75793 3 Normalizat .66430 1.0035 -.67029E-06 -1.0532 4 Prefactor 1.0345 1.2117 .11016E-05 -.91589 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 2.35586e-13 Minuit parameter uncertainties: 1 1.13576e-05 2 1.34249 3 1.03339 4 1.24618 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 6569.97622771 delta logL = 1.26065060613e-08 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 0.000e+00 1.136e-05 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.563e+00 1.342e+00 0.000e+00 1.000e+01 (-1.000e+00) 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.246e+00 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.033e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 342.879 -49.469 Creating a high resolution counts map... INFO: Auto-setting vmin to -2.500e-04 [aplpy.core] INFO: Auto-setting vmax to 2.775e-03 [aplpy.core] Saving /lscratch/kocevski/38341738/cmap_HighResolution_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.21e-03', job_status='DONE', photon_flux_upper_limit='2.98e-08', time_completed='2026-09-15 20:06:00.505121', job_id='38341738', GAL2='1.03', fit_tolerance='1e-08', EG2='0.66', EG='0.66', time_epoch_completed='1789527960.51', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.03', dlogl='1.26e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.85' WHERE bin_id='2205' AND source_name='4FGL J2251.5-4928' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Sep 15 20:06:00 PDT 2026 outfile=/lscratch/kocevski/38341979/ltcube_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits .....................! real 10.82 user 9.30 sys 0.21 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits evtable="EVENTS" scfile=/lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits sctable="SC_DATA" expcube=/lscratch/kocevski/38341979/ltcube_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits outfile=/lscratch/kocevski/38341979/expmap_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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/38341979/ltcube_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits .....................! real 84.86 user 78.32 sys 4.89 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 Added 183 point sources and 0 extended sources Setting source of interest to: 4FGL J2251.5-4928 @ 342.879 -49.4691 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits scfile=/lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits outfile=/lscratch/kocevski/38341979/cmap_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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=342.879 yref=-49.4691 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 0.89 user 0.26 sys 0.11 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits scfile=/lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits outfile=/lscratch/kocevski/38341979/cmap_HighResolution_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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=342.879 yref=-49.4691 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 0.81 user 0.26 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits evtable="EVENTS" scfile=/lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/38341979/Model_4FGL_J2251.5-4928_daily_bin2205.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 GAL_V02 Working on... /lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits.....................! real 25.38 user 22.61 sys 1.23 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits', '/lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits', expMap='/lscratch/kocevski/38341979/expmap_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits', expCube='/lscratch/kocevski/38341979/ltcube_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/38341979/Model_4FGL_J2251.5-4928_daily_bin2205.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2251.5-4928' 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 7.449e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.851e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/38341979/ft1_filtered_4FGL_J2251.5-4928_daily_bin2205.fits Spacecraft file(s): /lscratch/kocevski/38341979/ft2_4FGL_J2251.5-4928_daily_bin2205.fits Exposure map: /lscratch/kocevski/38341979/expmap_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits Exposure cube: /lscratch/kocevski/38341979/ltcube_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/38341979/Model_4FGL_J2251.5-4928_daily_bin2205.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) = 6570.03402872 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 6569.9786466 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 34.681 1.0000 .0000 .10000E+07 2 'Prefactor ' 2.8568 1.0000 .0000 .10000E+07 3 'Prefactor ' 15.787 1.0000 .0000 .10000E+07 4 'Prefactor ' .41968E-03 1.0000 .0000 .10000E+07 5 'norm ' .11199E-03 1.0000 .0000 .10000E+07 6 'Prefactor ' .55678E-07 1.0000 .0000 .10000E+07 7 'Prefactor ' .21684E-02 1.0000 .0000 .10000E+07 8 'Prefactor ' 10.765 1.0000 .0000 .10000E+07 9 'Prefactor ' 17.778 1.0000 .0000 .10000E+07 10 'Prefactor ' 18.585 1.0000 .0000 .10000E+07 11 'Prefactor ' 5.1680 1.0000 .0000 .10000E+07 12 'Prefactor ' .95218E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' .25164E-03 1.0000 .0000 .10000E+07 14 'norm ' .11134E-05 1.0000 .0000 .10000E+07 15 'norm ' .28064E-03 1.0000 .0000 .10000E+07 16 'norm ' 3.7341 1.0000 .0000 .10000E+07 17 'Prefactor ' 7.1411 1.0000 .0000 .10000E+07 18 'Prefactor ' .26375E-03 1.0000 .0000 .10000E+07 19 'norm ' .11819E-04 1.0000 .0000 .10000E+07 20 'Prefactor ' .16627E-04 1.0000 .0000 .10000E+07 21 'norm ' .15821E-07 1.0000 .0000 .10000E+07 22 'norm ' .77961E-02 1.0000 .0000 .10000E+07 23 'Prefactor ' .48284E-02 1.0000 .0000 .10000E+07 24 'Prefactor ' 2.5886 1.0000 .0000 .10000E+07 25 'Prefactor ' 5.3895 1.0000 .0000 .10000E+07 26 'norm ' 23.405 1.0000 .0000 .10000E+07 27 'Prefactor ' 4.4547 1.0000 .0000 .10000E+07 28 'Prefactor ' 2.9870 1.0000 .0000 .10000E+07 29 'Normalizat' .66387 1.0000 .10000E-01 10.000 30 'Prefactor ' 1.0342 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5920E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 6569.976 FROM MIGRAD STATUS=CONVERGED 209 CALLS 2223 TOTAL EDM= .46E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .9% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 33.006 26.214 .75203E-07 .84104E-01 2 Prefactor 2.9621 7.3030 .44208E-07 -.11018E-02 3 Prefactor 15.785 4.9760 .10042E-07 .65565E-03 4 Prefactor .17200E-04 37.491 -.31010E-06** at limit ** 5 norm .0000 2.2929 .17940E-08** at limit ** 6 Prefactor .0000 1.2218 -.69355E-07** at limit ** 7 Prefactor .33795E-06 16.015 -.34975E-07** at limit ** 8 Prefactor 10.777 5.8791 .14167E-07 .25626E-05 9 Prefactor 17.846 1.4084 .15753E-08 -.22608E-02 10 Prefactor 18.511 2.4032 .44081E-08 .95007E-03 11 Prefactor 5.1676 4.4838 .80876E-08 -.22724E-04 12 Prefactor .35399E-06 13.565 -.12618E-06** at limit ** 13 Prefactor .0000 2.7192 .59682E-07** at limit ** 14 norm .16653E-09 3.4309 -.92339E-07** at limit ** 15 norm .0000 3.1679 -.13307E-07** at limit ** 16 norm 3.7417 3.3975 -.56313E-07 -.18105E-02 17 Prefactor 7.1621 4.2355 .49664E-08 -.26162E-03 18 Prefactor .90039E-07 11.747 -.79694E-07** at limit ** 19 norm .0000 1.1947 .43965E-07** at limit ** 20 Prefactor .0000 3.5241 -.67846E-07** at limit ** 21 norm .0000 .19321 -.15909E-09** at limit ** 22 norm .51070E-08 9.0865 .62812E-07** at limit ** 23 Prefactor .26028E-04 55.133 -.60134E-06** at limit ** 24 Prefactor 2.5908 2.6261 .42035E-07 .40661E-03 25 Prefactor 5.4543 12.171 .38107E-07 .14919E-01 26 norm 23.344 1.0321 -.19142E-08 .36759E-03 27 Prefactor 4.4108 3.5323 -.54072E-07 -.19316E-02 28 Prefactor 2.9813 2.9563 .18417E-07 .21400E-03 29 Normalizat .66430 .17982 -.21377E-05 -.13256E-03 30 Prefactor 1.0345 .17886 .15433E-06 -.14001E-03 ERR DEF= .500 Final values: Prefactor = 33.0062 Prefactor = 2.96209 Prefactor = 15.785 Prefactor = 1.71999e-05 norm = 0 Prefactor = 0 Prefactor = 3.37952e-07 Prefactor = 10.7774 Prefactor = 17.8464 Prefactor = 18.5106 Prefactor = 5.16765 Prefactor = 3.53995e-07 Prefactor = 0 norm = 1.66533e-10 norm = 0 norm = 3.74175 Prefactor = 7.16205 Prefactor = 9.00391e-08 norm = 0 Prefactor = 0 norm = 0 norm = 5.10703e-09 Prefactor = 2.60278e-05 Prefactor = 2.59078 Prefactor = 5.4543 norm = 23.3437 Prefactor = 4.41082 Prefactor = 2.98128 Normalizat = 0.664303 Prefactor = 1.03449 ********** ** 18 **HESSE ********** FCN= 6569.976 FROM HESSE STATUS=OK 648 CALLS 2871 TOTAL EDM= .96E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 33.006 29.948 .16983E-03 -1.5593 2 Prefactor 2.9621 7.4423 .60123E-03 -1.5674 3 Prefactor 15.785 4.9969 .25181E-03 -1.5629 4 Prefactor .17200E-04 57.536 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .0000 2.2987 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 1.2182 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .33795E-06 16.493 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 10.777 5.9689 .30512E-03 -1.5642 9 Prefactor 17.846 16.952 .23727E-03 -1.5623 10 Prefactor 18.511 19.882 .23205E-03 -1.5622 11 Prefactor 5.1676 4.4889 .44198E-03 -1.5662 12 Prefactor .35399E-06 14.044 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 2.7227 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm .16653E-09 3.4323 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm .0000 3.1477 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 3.7417 3.3946 .52229E-03 -1.5669 17 Prefactor 7.1621 4.2397 .37514E-03 -1.5654 18 Prefactor .90039E-07 11.864 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .0000 1.1939 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .0000 3.5241 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 norm .0000 .19261 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 norm .51070E-08 8.7230 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .26028E-04 83.148 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Prefactor 2.5908 2.6491 .63397E-03 -1.5676 25 Prefactor 5.4543 12.276 .43263E-03 -1.5661 26 norm 23.344 16.879 .20675E-03 -1.5611 27 Prefactor 4.4108 3.6210 .47685E-03 -1.5666 28 Prefactor 2.9813 2.9587 .58714E-03 -1.5673 29 Normalizat .66430 .15686 .41806E-01 -1.0532 30 Prefactor 1.0345 .15367 .40939E-01 -.91589 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.56701e-07 Minuit parameter uncertainties: 1 29.9481 2 7.44229 3 4.99694 4 0.0629169 5 8.7925e-07 6 7.27856e-06 7 0.00472166 8 5.96886 9 16.9522 10 19.8823 11 4.48891 12 0.00445934 13 4.24596e-06 14 5.04051e-05 15 6.49039e-07 16 3.39458 17 4.23966 18 0.00206709 19 3.34023e-06 20 1.29402e-05 21 1.25152e-10 22 0.000422436 23 0.0930421 24 2.64913 25 12.2758 26 16.8791 27 3.621 28 2.95865 29 0.156969 30 0.153731 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 6569.97622772 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 3.540e-07 4.459e-03 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.851e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.537e-01 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.570e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 342.879 -49.469 Photon Flux Upper Limit: 2.97848358528e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00220507648253 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/38341979/likelihoodResults_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.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) = 6570.01047709 delta logL = -0.0342493665266 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 6569.97622775 delta logL = -3.03798515233e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .22737E-06 1.0000 .0000 .10000E+07 2 'Index ' .31222 1.0000 .0000 10.000 3 'Normalizat' .66431 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0345 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5920E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 6569.976 FROM MIGRAD STATUS=CONVERGED 29 CALLS 203 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.0% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 14.171 .59004E-06** at limit ** 2 Index 1.5629 5.5417 .10140E-04 .0000 3 Normalizat .66430 .17306 -.67029E-06 .20427E-05 4 Prefactor 1.0345 .17794 .11016E-05 -.68177E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.5629 Normalizat = 0.664303 Prefactor = 1.03448 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 6569.976 FROM HESSE STATUS=FAILED 11 CALLS 214 TOTAL EDM= .24E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 14.161 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .22757 1.5676 .10140E-04 -.75793 3 Normalizat .66430 1.0035 -.67029E-06 -1.0532 4 Prefactor 1.0345 1.2117 .11016E-05 -.91589 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 2.35586e-13 Minuit parameter uncertainties: 1 1.13576e-05 2 1.34249 3 1.03339 4 1.24618 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 6569.97622771 delta logL = 1.26065060613e-08 Extracting fit parameters... 4FGL J2251.5-4928 Spectrum: PowerLaw 403 Prefactor: 0.000e+00 1.136e-05 0.000e+00 1.000e+06 ( 1.000e-14) 404 Index: 1.563e+00 1.342e+00 0.000e+00 1.000e+01 (-1.000e+00) 405 Scale: 2.716e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 589 Prefactor: 1.034e+00 1.246e+00 0.000e+00 1.000e+01 ( 1.000e+00) 590 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 591 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 588 Normalization: 6.643e-01 1.033e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 342.879 -49.469 Creating a high resolution counts map... INFO: Auto-setting vmin to -2.500e-04 [aplpy.core] INFO: Auto-setting vmax to 2.775e-03 [aplpy.core] Saving /lscratch/kocevski/38341979/cmap_HighResolution_810864001_811123201_4FGL_J2251.5-4928_daily_bin2205.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.21e-03', job_status='DONE', photon_flux_upper_limit='2.98e-08', time_completed='2026-09-15 20:10:14.131857', job_id='38341979', GAL2='1.03', fit_tolerance='1e-08', EG2='0.66', EG='0.66', time_epoch_completed='1789528214.13', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.03', dlogl='1.26e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.85' WHERE bin_id='2205' AND source_name='4FGL J2251.5-4928' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Sep 15 20:10:14 PDT 2026