/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). ********** ** 18 **HESSE ********** FCN= 11294.70 FROM HESSE STATUS=OK 249 CALLS 1138 TOTAL EDM= .25E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .42327 5.3829 .87551E-03 -1.5695 2 Prefactor 10.601 38.364 .28882E-03 -1.5643 3 Prefactor .25674E-06 6.5520 .12762E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 6.3369 12.875 .41485E-03 -1.5658 5 Prefactor .0000 20.530 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 2.8183 2.6286 .60515E-03 -1.5674 7 Prefactor 2.3417 1.8198 .66837E-03 -1.5677 8 Prefactor 22.653 23.974 .21346E-03 -1.5613 9 Prefactor 7.7987 14.983 .35463E-03 -1.5652 10 norm .0000 1.4176 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 25.013 6.5631 .20005E-03 -1.5608 12 Prefactor .24730E-06 2.6077 .10024E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 5.6631 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 2.3094 9.8677 .69686E-03 -1.5678 15 Normalizat .65397 .18526 .86120E-01 -1.0574 16 Prefactor 1.1084 .95482E-01 .37298E-01 -.89199 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.48987e-07 Minuit parameter uncertainties: 1 3.01888 2 38.3647 3 0.00259393 4 12.875 5 2.02552e-05 6 2.62855 7 1.81978 8 23.9743 9 14.9831 10 5.9994e-06 11 6.56312 12 0.00160604 13 5.4557e-06 14 9.54745 15 0.18544 16 0.0954962 /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) = 11294.6983773 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 2.818e+00 2.629e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 1.108e+00 9.550e-02 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 6.540e-01 1.854e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 7.97 Ra Dec: 322.891 -9.268 Photon Index (Fixed Index): 1.99 +/- 0.00 Photon Flux (Fixed Index): 1.51e-08 +/- 1.41e-08 Energy Flux (Fixed Index): 1.07e-05 +/- 1.00e-05 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) = 11293.3884782 delta logL = 1.3098990478 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 11293.1920227 delta logL = 1.5063545838 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.0836 1.0000 .0000 .10000E+07 2 'Index ' .69144 1.0000 .0000 10.000 3 'Normalizat' .66448 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 11293.19 FROM MIGRAD STATUS=CONVERGED 53 CALLS 214 TOTAL EDM= .35E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.0831 1.2060 .23371E-02 -.83699E-02 2 Index .69110 .53165 .39218 -.54972E-04 3 Normalizat .66444 .16845 .85476E-01 .60048E-04 4 Prefactor 1.1076 .94167E-01 .37307E-01 -.47007E-05 ERR DEF= .500 Final values: Prefactor = 1.08306 Index = 0.6911 Normalizat = 0.664435 Prefactor = 1.10755 ********** ** 18 **HESSE ********** FCN= 11293.19 FROM HESSE STATUS=OK 33 CALLS 247 TOTAL EDM= .60E-11 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.0831 1.7800 .10722E-04 -1.5687 2 Index .69110 .68628 .19535E-01 -1.0388 3 Normalizat .66444 .19420 .37858E-03 -1.0531 4 Prefactor 1.1076 .10888 .16659E-03 -.89226 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 5.98658e-12 Minuit parameter uncertainties: 1 1.78004 2 0.694939 3 0.194401 4 0.108898 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) = 11293.1920226 delta logL = 1.50635473057 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.083e+00 1.780e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 6.911e-01 6.949e-01 0.000e+00 1.000e+01 (-1.000e+00) 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 1.108e+00 1.089e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 6.644e-01 1.944e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 10.97 Ra Dec: 322.891 -9.268 Photon Index (Free Index): 0.69 +/- 0.69 Photon Flux (Free Index): 2.31e-09 +/- 2.41e-09 Energy Flux (Free Index): 6.18e-05 +/- 7.82e-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/36660289/cmap_HighResolution_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='1.51e-08', energy_flux2='6.18e-05', photon_flux_error='1.41e-08', dlogl='1.51e+00', energy_flux='1.07e-05', photon_flux2='2.31e-09', job_status='DONE', time_completed='2026-09-01 17:01:03.049468', photon_index_error2='0.69', photon_index2='0.69', ts='7.97', fit_tolerance='1e-08', GAL='1.11', photon_index_error='0.00', energy_flux_error2='7.82e-05', EG='0.65', time_epoch_completed='1788307263.05', return_code='0', job_id='36660289', GAL2='1.11', EG2='0.66', return_code2='0', energy_flux_error='1.00e-05', photon_flux_error2='2.41e-09', ts2='10.97', photon_index='1.99' WHERE bin_id='943' AND source_name='4FGL J2131.5-0916' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Sep 1 17:01:03 PDT 2026 outfile=/lscratch/kocevski/36660433/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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/36660433/ft2_4FGL_J2131.5-0916_weekly_bin943.fits .....................! real 18.89 user 18.44 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/36660433/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36660433/ft2_4FGL_J2131.5-0916_weekly_bin943.fits sctable="SC_DATA" expcube=/lscratch/kocevski/36660433/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits outfile=/lscratch/kocevski/36660433/expmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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/36660433/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits .....................! real 73.19 user 68.66 sys 4.08 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 170 point sources and 0 extended sources Setting source of interest to: 4FGL J2131.5-0916 @ 322.891 -9.2684 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/36660433/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits scfile=/lscratch/kocevski/36660433/ft2_4FGL_J2131.5-0916_weekly_bin943.fits outfile=/lscratch/kocevski/36660433/cmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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=322.891 yref=-9.2684 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 0.49 user 0.25 sys 0.11 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/36660433/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits scfile=/lscratch/kocevski/36660433/ft2_4FGL_J2131.5-0916_weekly_bin943.fits outfile=/lscratch/kocevski/36660433/cmap_HighResolution_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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=322.891 yref=-9.2684 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 0.53 user 0.26 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/36660433/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36660433/ft2_4FGL_J2131.5-0916_weekly_bin943.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/36660433/Model_4FGL_J2131.5-0916_weekly_bin943.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 sourcnumber of points = 17387 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2131.5-0916_weekly_bin943 RA = 322.891, Dec = -9.2684 tmin = 809308801, tmax = 809913601 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='36660759', job_status='RUN', time_executed='2026-09-01 17:00:55.930918', time_epoch_executed='1788307255.93' WHERE source_name='4FGL J2131.5-0916' and cadence='weekly' and bin_id='943' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/36660759 Creating custom pfile directory: /lscratch/kocevski/36660759/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=809308801.0 && nMetStart<809913601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=809308801.0 && nMetStart<809913601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/36660759/ft1_4FGL_J2131.5-0916_weekly_bin943.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=809308801.0 && nMetStart<809913601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/36660759/ft1_4FGL_J2131.5-0916_weekly_bin943.fits outfile=/lscratch/kocevski/36660759/ft1_filteredMKT_4FGL_J2131.5-0916_weekly_bin943.fits ra=322.891 dec=-9.2684 rad=12.0 tmin=809308801.0 tmax=809913601.0 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 7.78 user 7.22 sys 0.28 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.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/36660759/ft1_filteredMKT_4FGL_J2131.5-0916_weekly_bin943.fits evtable="EVENTS" outfile="/lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.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 0.48 user 0.23 sys 0.14 Number of photons that the gtmktime cut: 1015 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits" evtable="EVENTS" scfile=/lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits sctable="SC_DATA"e GAL_V02 Working on... /lscratch/kocevski/36660433/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits.....................! real 43.91 user 42.52 sys 0.95 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/36660433/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits', '/lscratch/kocevski/36660433/ft2_4FGL_J2131.5-0916_weekly_bin943.fits', expMap='/lscratch/kocevski/36660433/expmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits', expCube='/lscratch/kocevski/36660433/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/36660433/Model_4FGL_J2131.5-0916_weekly_bin943.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2131.5-0916' 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.196e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/36660433/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits Spacecraft file(s): /lscratch/kocevski/36660433/ft2_4FGL_J2131.5-0916_weekly_bin943.fits Exposure map: /lscratch/kocevski/36660433/expmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits Exposure cube: /lscratch/kocevski/36660433/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/36660433/Model_4FGL_J2131.5-0916_weekly_bin943.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) = 11294.7932452 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 11294.7021756 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .41693 1.0000 .0000 .10000E+07 2 'Prefactor ' 12.009 1.0000 .0000 .10000E+07 3 'Prefactor ' .14911 1.0000 .0000 .10000E+07 4 'Prefactor ' 5.8536 1.0000 .0000 .10000E+07 5 'Prefactor ' .10153E-01 1.0000 .0000 .10000E+07 6 'Prefactor ' 2.8223 1.0000 .0000 .10000E+07 7 'Prefactor ' 2.3502 1.0000 .0000 .10000E+07 8 'Prefactor ' 21.958 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.9830 1.0000 .0000 .10000E+07 10 'norm ' .38816E-04 1.0000 .0000 .10000E+07 11 'Prefactor ' 24.998 1.0000 .0000 .10000E+07 12 'Prefactor ' .34991E-01 1.0000 .0000 .10000E+07 13 'Prefactor ' .61458E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.1806 1.0000 .0000 .10000E+07 15 'Normalizat' .65530 1.0000 .10000E-01 10.000 16 'Prefactor ' 1.1078 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 11294.70 FROM MIGRAD STATUS=CONVERGED 116 CALLS 889 TOTAL EDM= .91E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .42327 5.5389 -.14891E-05 .86461E-03 2 Prefactor 10.601 38.282 -.45285E-05 .31536E-03 3 Prefactor .25674E-06 35.054 -.64544E-05** at limit ** 4 Prefactor 6.3369 9.3995 .27112E-08 -.14195E-01 5 Prefactor .0000 20.552 -.18241E-05** at limit ** 6 Prefactor 2.8183 2.6362 -.33676E-07 -.85127E-05 7 Prefactor 2.3417 1.7935 -.32662E-07 -.18133E-02 8 Prefactor 22.653 23.778 -.15902E-05 .15848E-02 9 Prefactor 7.7987 1.7330 -.36933E-06 .15229E-01 10 norm .0000 1.4167 .14655E-06** at limit ** 11 Prefactor 25.013 6.5103 .12606E-06 -.21463E-02 12 Prefactor .24730E-06 75.264 .87433E-05** at limit ** 13 Prefactor .0000 5.6619 -.12672E-05** at limit ** 14 Prefactor 2.3094 9.7589 -.24431E-05 -.69984E-03 15 Normalizat .65397 .20666 -.15804E-04 .35722E-04 16 Prefactor 1.1084 .11056 .50202E-05 .13513E-03 ERR DEF= .500 Final values: Prefactor = 0.423269 Prefactor = 10.6013 Prefactor = 2.56739e-07 Prefactor = 6.33686 Prefactor = 0 Prefactor = 2.81831 Prefactor = 2.34167 Prefactor = 22.653 Prefactor = 7.79869 norm = 0 Prefactor = 25.0126 Prefactor = 2.47302e-07 Prefactor = 0 Prefactor = 2.30939 Normalizat = 0.653969 Prefactor = 1.10838 ********** ** 18 **HESSE ********** FCN= 11294.70 FROM HESSE STATUS=OK 249 CALLS 1138 TOTAL EDM= .25E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .42327 5.3829 .87551E-03 -1.5695 2 Prefactor 10.601 38.364 .28882E-03 -1.5643 3 Prefactor .25674E-06 6.5520 .12762E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 6.3369 12.875 .41485E-03 -1.5658 5 Prefactor .0000 20.530 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 2.8183 2.6286 .60515E-03 -1.5674 7 Prefactor 2.3417 1.8198 .66837E-03 -1.5677 8 Prefactor 22.653 23.974 .21346E-03 -1.5613 9 Prefactor 7.7987 14.983 .35463E-03 -1.5652 10 norm .0000 1.4176 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 25.013 6.5631 .20005E-03 -1.5608 12 Prefactor .24730E-06 2.6077 .10024E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 5.6631 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 2.3094 9.8677 .69686E-03 -1.5678 15 Normalizat .65397 .18526 .86120E-01 -1.0574 16 Prefactor 1.1084 .95482E-01 .37298E-01 -.89199 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.48987e-07 Minuit parameter uncertainties: 1 3.01888 2 38.3647 3 0.00259393 4 12.875 5 2.02552e-05 6 2.62855 7 1.81978 8 23.9743 9 14.9831 10 5.9994e-06 11 6.56312 12 0.00160604 13 5.4557e-06 14 9.54745 15 0.18544 16 0.0954962 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 11294.6983773 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 2.818e+00 2.629e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 1.108e+00 9.550e-02 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 6.540e-01 1.854e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 7.97 Ra Dec: 322.891 -9.268 Photon Index (Fixed Index): 1.99 +/- 0.00 Photon Flux (Fixed Index): 1.51e-08 +/- 1.41e-08 Energy Flux (Fixed Index): 1.07e-05 +/- 1.00e-05 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) = 11293.3884782 delta logL = 1.3098990478 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 11293.1920227 delta logL = 1.5063545838 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.0836 1.0000 .0000 .10000E+07 2 'Index ' .69144 1.0000 .0000 10.000 3 'Normalizat' .66448 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 11293.19 FROM MIGRAD STATUS=CONVERGED 53 CALLS 214 TOTAL EDM= .35E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.0831 1.2060 .23371E-02 -.83699E-02 2 Index .69110 .53165 .39218 -.54972E-04 3 Normalizat .66444 .16845 .85476E-01 .60048E-04 4 Prefactor 1.1076 .94167E-01 .37307E-01 -.47007E-05 ERR DEF= .500 Final values: Prefactor = 1.08306 Index = 0.6911 Normalizat = 0.664435 Prefactor = 1.10755 ********** ** 18 **HESSE ********** FCN= 11293.19 FROM HESSE STATUS=OK 33 CALLS 247 TOTAL EDM= .60E-11 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.0831 1.7800 .10722E-04 -1.5687 2 Index .69110 .68628 .19535E-01 -1.0388 3 Normalizat .66444 .19420 .37858E-03 -1.0531 4 Prefactor 1.1076 .10888 .16659E-03 -.89226 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 5.98658e-12 Minuit parameter uncertainties: 1 1.78004 2 0.694939 3 0.194401 4 0.108898 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) = 11293.1920226 delta logL = 1.50635473057 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.083e+00 1.780e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 6.911e-01 6.949e-01 0.000e+00 1.000e+01 (-1.000e+00) 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 1.108e+00 1.089e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 6.644e-01 1.944e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 10.97 Ra Dec: 322.891 -9.268 Photon Index (Free Index): 0.69 +/- 0.69 Photon Flux (Free Index): 2.31e-09 +/- 2.41e-09 Energy Flux (Free Index): 6.18e-05 +/- 7.82e-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/36660433/cmap_HighResolution_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='1.51e-08', energy_flux2='6.18e-05', photon_flux_error='1.41e-08', dlogl='1.51e+00', energy_flux='1.07e-05', photon_flux2='2.31e-09', job_status='DONE', time_completed='2026-09-01 17:02:56.027018', photon_index_error2='0.69', photon_index2='0.69', ts='7.97', fit_tolerance='1e-08', GAL='1.11', photon_index_error='0.00', energy_flux_error2='7.82e-05', EG='0.65', time_epoch_completed='1788307376.03', return_code='0', job_id='36660433', GAL2='1.11', EG2='0.66', return_code2='0', energy_flux_error='1.00e-05', photon_flux_error2='2.41e-09', ts2='10.97', photon_index='1.99' WHERE bin_id='943' AND source_name='4FGL J2131.5-0916' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Sep 1 17:02:56 PDT 2026 outfile=/lscratch/kocevski/36660759/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits .....................! real 20.92 user 20.34 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits sctable="SC_DATA" expcube=/lscratch/kocevski/36660759/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits outfile=/lscratch/kocevski/36660759/expmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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/36660759/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits .....................! real 78.35 user 73.50 sys 4.36 Generating the xml model: radLim = 0.001 maxRad = 12 normsOnly = True freeVariableSources = True Fixing all sources to their catalog values, except variable sources Creating file and adding sources from 4FGL Added 170 point sources and 0 extended sources Setting source of interest to: 4FGL J2131.5-0916 @ 322.891 -9.2684 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits scfile=/lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits outfile=/lscratch/kocevski/36660759/cmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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=322.891 yref=-9.2684 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 0.55 user 0.26 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits scfile=/lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits outfile=/lscratch/kocevski/36660759/cmap_HighResolution_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.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=322.891 yref=-9.2684 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 0.51 user 0.27 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/36660759/Model_4FGL_J2131.5-0916_weekly_bin943.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/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits.....................! real 45.70 user 44.46 sys 0.77 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits', '/lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits', expMap='/lscratch/kocevski/36660759/expmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits', expCube='/lscratch/kocevski/36660759/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/36660759/Model_4FGL_J2131.5-0916_weekly_bin943.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2131.5-0916' 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.196e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/36660759/ft1_filtered_4FGL_J2131.5-0916_weekly_bin943.fits Spacecraft file(s): /lscratch/kocevski/36660759/ft2_4FGL_J2131.5-0916_weekly_bin943.fits Exposure map: /lscratch/kocevski/36660759/expmap_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits Exposure cube: /lscratch/kocevski/36660759/ltcube_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/36660759/Model_4FGL_J2131.5-0916_weekly_bin943.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) = 11294.7932452 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 11294.7021756 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .41693 1.0000 .0000 .10000E+07 2 'Prefactor ' 12.009 1.0000 .0000 .10000E+07 3 'Prefactor ' .14911 1.0000 .0000 .10000E+07 4 'Prefactor ' 5.8536 1.0000 .0000 .10000E+07 5 'Prefactor ' .10153E-01 1.0000 .0000 .10000E+07 6 'Prefactor ' 2.8223 1.0000 .0000 .10000E+07 7 'Prefactor ' 2.3502 1.0000 .0000 .10000E+07 8 'Prefactor ' 21.958 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.9830 1.0000 .0000 .10000E+07 10 'norm ' .38816E-04 1.0000 .0000 .10000E+07 11 'Prefactor ' 24.998 1.0000 .0000 .10000E+07 12 'Prefactor ' .34991E-01 1.0000 .0000 .10000E+07 13 'Prefactor ' .61458E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.1806 1.0000 .0000 .10000E+07 15 'Normalizat' .65530 1.0000 .10000E-01 10.000 16 'Prefactor ' 1.1078 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 11294.70 FROM MIGRAD STATUS=CONVERGED 116 CALLS 889 TOTAL EDM= .91E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .42327 5.5389 -.14891E-05 .86461E-03 2 Prefactor 10.601 38.282 -.45285E-05 .31536E-03 3 Prefactor .25674E-06 35.054 -.64544E-05** at limit ** 4 Prefactor 6.3369 9.3995 .27112E-08 -.14195E-01 5 Prefactor .0000 20.552 -.18241E-05** at limit ** 6 Prefactor 2.8183 2.6362 -.33676E-07 -.85127E-05 7 Prefactor 2.3417 1.7935 -.32662E-07 -.18133E-02 8 Prefactor 22.653 23.778 -.15902E-05 .15848E-02 9 Prefactor 7.7987 1.7330 -.36933E-06 .15229E-01 10 norm .0000 1.4167 .14655E-06** at limit ** 11 Prefactor 25.013 6.5103 .12606E-06 -.21463E-02 12 Prefactor .24730E-06 75.264 .87433E-05** at limit ** 13 Prefactor .0000 5.6619 -.12672E-05** at limit ** 14 Prefactor 2.3094 9.7589 -.24431E-05 -.69984E-03 15 Normalizat .65397 .20666 -.15804E-04 .35722E-04 16 Prefactor 1.1084 .11056 .50202E-05 .13513E-03 ERR DEF= .500 Final values: Prefactor = 0.423269 Prefactor = 10.6013 Prefactor = 2.56739e-07 Prefactor = 6.33686 Prefactor = 0 Prefactor = 2.81831 Prefactor = 2.34167 Prefactor = 22.653 Prefactor = 7.79869 norm = 0 Prefactor = 25.0126 Prefactor = 2.47302e-07 Prefactor = 0 Prefactor = 2.30939 Normalizat = 0.653969 Prefactor = 1.10838 ********** ** 18 **HESSE ********** FCN= 11294.70 FROM HESSE STATUS=OK 249 CALLS 1138 TOTAL EDM= .25E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .42327 5.3829 .87551E-03 -1.5695 2 Prefactor 10.601 38.364 .28882E-03 -1.5643 3 Prefactor .25674E-06 6.5520 .12762E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 6.3369 12.875 .41485E-03 -1.5658 5 Prefactor .0000 20.530 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 2.8183 2.6286 .60515E-03 -1.5674 7 Prefactor 2.3417 1.8198 .66837E-03 -1.5677 8 Prefactor 22.653 23.974 .21346E-03 -1.5613 9 Prefactor 7.7987 14.983 .35463E-03 -1.5652 10 norm .0000 1.4176 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 25.013 6.5631 .20005E-03 -1.5608 12 Prefactor .24730E-06 2.6077 .10024E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 5.6631 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 2.3094 9.8677 .69686E-03 -1.5678 15 Normalizat .65397 .18526 .86120E-01 -1.0574 16 Prefactor 1.1084 .95482E-01 .37298E-01 -.89199 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.48987e-07 Minuit parameter uncertainties: 1 3.01888 2 38.3647 3 0.00259393 4 12.875 5 2.02552e-05 6 2.62855 7 1.81978 8 23.9743 9 14.9831 10 5.9994e-06 11 6.56312 12 0.00160604 13 5.4557e-06 14 9.54745 15 0.18544 16 0.0954962 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 11294.6983773 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 2.818e+00 2.629e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 1.108e+00 9.550e-02 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 6.540e-01 1.854e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 7.97 Ra Dec: 322.891 -9.268 Photon Index (Fixed Index): 1.99 +/- 0.00 Photon Flux (Fixed Index): 1.51e-08 +/- 1.41e-08 Energy Flux (Fixed Index): 1.07e-05 +/- 1.00e-05 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) = 11293.3884782 delta logL = 1.3098990478 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 11293.1920227 delta logL = 1.5063545838 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.0836 1.0000 .0000 .10000E+07 2 'Index ' .69144 1.0000 .0000 10.000 3 'Normalizat' .66448 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1075 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 11293.19 FROM MIGRAD STATUS=CONVERGED 53 CALLS 214 TOTAL EDM= .35E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.0831 1.2060 .23371E-02 -.83699E-02 2 Index .69110 .53165 .39218 -.54972E-04 3 Normalizat .66444 .16845 .85476E-01 .60048E-04 4 Prefactor 1.1076 .94167E-01 .37307E-01 -.47007E-05 ERR DEF= .500 Final values: Prefactor = 1.08306 Index = 0.6911 Normalizat = 0.664435 Prefactor = 1.10755 ********** ** 18 **HESSE ********** FCN= 11293.19 FROM HESSE STATUS=OK 33 CALLS 247 TOTAL EDM= .60E-11 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.0831 1.7800 .10722E-04 -1.5687 2 Index .69110 .68628 .19535E-01 -1.0388 3 Normalizat .66444 .19420 .37858E-03 -1.0531 4 Prefactor 1.1076 .10888 .16659E-03 -.89226 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 5.98658e-12 Minuit parameter uncertainties: 1 1.78004 2 0.694939 3 0.194401 4 0.108898 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) = 11293.1920226 delta logL = 1.50635473057 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.083e+00 1.780e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 6.911e-01 6.949e-01 0.000e+00 1.000e+01 (-1.000e+00) 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 1.108e+00 1.089e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 6.644e-01 1.944e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 10.97 Ra Dec: 322.891 -9.268 Photon Index (Free Index): 0.69 +/- 0.69 Photon Flux (Free Index): 2.31e-09 +/- 2.41e-09 Energy Flux (Free Index): 6.18e-05 +/- 7.82e-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/36660759/cmap_HighResolution_809308801_809913601_4FGL_J2131.5-0916_weekly_bin943.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='1.51e-08', energy_flux2='6.18e-05', photon_flux_error='1.41e-08', dlogl='1.51e+00', energy_flux='1.07e-05', photon_flux2='2.31e-09', job_status='DONE', time_completed='2026-09-01 17:06:29.582269', photon_index_error2='0.69', photon_index2='0.69', ts='7.97', fit_tolerance='1e-08', GAL='1.11', photon_index_error='0.00', energy_flux_error2='7.82e-05', EG='0.65', time_epoch_completed='1788307589.58', return_code='0', job_id='36660759', GAL2='1.11', EG2='0.66', return_code2='0', energy_flux_error='1.00e-05', photon_flux_error2='2.41e-09', ts2='10.97', photon_index='1.99' WHERE bin_id='943' AND source_name='4FGL J2131.5-0916' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Sep 1 17:06:29 PDT 2026