/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). number of points = 7650 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0646.7-3913_daily_bin2177 RA = 101.678, Dec = -39.2177 tmin = 803606401, tmax = 803865601 emin = 100.0, emax = 100000.0 irfs = P8R3_SOURCE_V2 ROI = 12 zmax = 90 Fitting strategies: Fix sources to their catalog values = True Leave variable source normalizations free = True Perform pre-fit where ALL sources are frozen to catalog values = False Perform secondary fit with a free spectral index = True Remove all catalog sources = False Remove weak (TS < 2) catalog sources = False Freeze Galactic component = False Likelihood fit parameters: Statistic: UNBINNED Optimizer: MINUIT Catalog: 4FGL Repository job = True LAT data source: Data catalog Updating database... UPDATE lightcurve_data_v2 SET job_id='31139745', job_status='RUN', time_executed='2026-07-09 11:51:12.790425', time_epoch_executed='1783623072.79' WHERE source_name='4FGL J0646.7-3913' and cadence='daily' and bin_id='2177' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31139745 Creating custom pfile directory: /lscratch/kocevski/31139745/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803606401.0 && nMetStart<803865601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803606401.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31139745/ft1_4FGL_J0646.7-3913_daily_bin2177.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803606401.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31139745/ft1_4FGL_J0646.7-3913_daily_bin2177.fits outfile=/lscratch/kocevski/31139745/ft1_filteredMKT_4FGL_J0646.7-3913_daily_bin2177.fits ra=101.678 dec=-39.2177 rad=12.0 tmin=803606401.0 tmax=803865601.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 2.50 user 1.63 sys 0.15 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.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/31139745/ft1_filteredMKT_4FGL_J0646.7-3913_daily_bin2177.fits evtable="EVENTS" outfile="/lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits" apply_filter=yes overwrite=yes header_obstimes=yes tstart=0.0 tstop=0.0 gtifile="default" chatter=3 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtmktime version HEAD Applying GTI filter: IN_SAA!=T && LIVETIME>0 && gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nogrb.gti',(START+STOP)/2) && (angsep(RA_SUN,DEC_SUN,RA_ZENITH,DEC_ZENITH)>115 || gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nosolarflares.gti',(START+STOP)/2)) real 1.12 user 0.19 sys 0.14 Number of photons that the gtmktime cut: 1361 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits sctable="SC_DATA" outfile=/lscratch/kocevski/31139745/ltcube_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.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/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits .....................! real 9.79 user 8.41 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits evtable="EVENTS" scfile=/lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31139745/ltcube_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.fits outfile=/lscratch/kocevski/31139745/expmap_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.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/31139745/ltcube_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.fits .....................! real 72.45 user 66.92 sys 4.36 Generating the xml model: radLim = 0.001 maxRad = 12 normsOnly = True freeVariableSources = True Fixing all sources to their catalog values, except variable sources Creating file and adding sources from 4FGL Extended source Puppis A in ROI with RadialDisk spatial model. Extended source Vela X in ROI with RadialDisk spatial model. Added 200 point sources and 2 extended sources If using unbinned likelihood you will need to rerun gtdiffrsp for the extended sources or rerun the makeModel function with optional argument psForce=True Setting source of interest to: 4FGL J0646.7-3913 @ 101.678 -39.2177 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits scfile=/lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits outfile=/lscratch/kocevski/31139745/cmap_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.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=101.678 yref=-39.2177 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 0.70 user 0.22 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits scfile=/lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits outfile=/lscratch/kocevski/31139745/cmap_HighResolution_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.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=101.678 yref=-39.2177 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 0.68 user 0.24 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits evtable="EVENTS" scfile=/lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31139745/Model_4FGL_J0646.7-3913_daily_bin2177.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 adding source Puppis A adding source Vela X Working on... /lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits.....................! real 71.14 user 68.98 sys 1.11 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits', '/lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits', expMap='/lscratch/kocevski/31139745/expmap_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.fits', expCube='/lscratch/kocevski/31139745/ltcube_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31139745/Model_4FGL_J0646.7-3913_daily_bin2177.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0646.7-3913' 4FGL J0646.7-3913 Spectrum: PowerLaw 311 Prefactor: 1.047e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-11) 312 Index: 2.985e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 313 Scale: 2.835e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31139745/ft1_filtered_4FGL_J0646.7-3913_daily_bin2177.fits Spacecraft file(s): /lscratch/kocevski/31139745/ft2_4FGL_J0646.7-3913_daily_bin2177.fits Exposure map: /lscratch/kocevski/31139745/expmap_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.fits Exposure cube: /lscratch/kocevski/31139745/ltcube_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31139745/Model_4FGL_J0646.7-3913_daily_bin2177.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) = 14158.6266042 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14158.5650335 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 9.9531 1.0000 .0000 .10000E+07 2 'Prefactor ' 1.5751 1.0000 .0000 .10000E+07 3 'Prefactor ' .18692E-04 1.0000 .0000 .10000E+07 4 'Prefactor ' .47147E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' .38053E-05 1.0000 .0000 .10000E+07 6 'norm ' 18.288 1.0000 .0000 .10000E+07 7 'Prefactor ' .10359E-05 1.0000 .0000 .10000E+07 8 'Prefactor ' .20539E-08 1.0000 .0000 .10000E+07 9 'norm ' 8.8568 1.0000 .0000 .10000E+07 10 'Prefactor ' 4.5163 1.0000 .0000 .10000E+07 11 'norm ' .93372E-05 1.0000 .0000 .10000E+07 12 'norm ' .76667E-04 1.0000 .0000 .10000E+07 13 'norm ' 1.1523 1.0000 .0000 .10000E+07 14 'norm ' .16043E-07 1.0000 .0000 .10000E+07 15 'Prefactor ' .81746E-05 1.0000 .0000 .10000E+07 16 'norm ' 11.113 1.0000 .0000 .10000E+07 17 'norm ' .78926E-03 1.0000 .0000 .10000E+07 18 'Prefactor ' .83639E-06 1.0000 .0000 .10000E+07 19 'Normalizat' 1.3070 1.0000 .10000E-01 10.000 20 'Prefactor ' 1.0510 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6730E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 14158.57 FROM MIGRAD STATUS=CONVERGED 145 CALLS 1466 TOTAL EDM= .19E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.9% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 9.9525 9.4384 .24649E-06 .98903E-02 2 Prefactor 1.5344 3.8331 -.80535E-06 -.26514E-01 3 Prefactor .28885E-04 43.491 .33263E-05** at limit ** 4 Prefactor .47629E-07 9.6437 -.71525E-07** at limit ** 5 Prefactor .27256E-07 7.1023 -.22685E-05** at limit ** 6 norm 18.278 1.6598 .21691E-07 -.12142 7 Prefactor .27756E-09 4.8504 .43893E-06** at limit ** 8 Prefactor .0000 1.4164 .54115E-07** at limit ** 9 norm 8.8611 4.9339 .16076E-06 .63289E-02 10 Prefactor 4.5146 7.6737 .37219E-06 -.44307E-02 11 norm .29471E-04 33.316 .33503E-05** at limit ** 12 norm .21066E-04 50.825 .31892E-05** at limit ** 13 norm 1.1590 11.036 -.80385E-06 .29414E-03 14 norm .33307E-08 7.6282 -.22057E-05** at limit ** 15 Prefactor .85543E-06 24.371 -.18761E-05** at limit ** 16 norm 11.114 6.0324 .17312E-06 .25066E-02 17 norm .19115E-03 18.574 .14626E-05** at limit ** 18 Prefactor .22204E-09 4.5078 -.35525E-06** at limit ** 19 Normalizat 1.3070 .18993 .67819E-05 -.16374E-03 20 Prefactor 1.0510 .68138E-01 -.99577E-06 -.18891E-03 ERR DEF= .500 Final values: norm = 9.9525 Prefactor = 1.53435 Prefactor = 2.88849e-05 Prefactor = 4.76286e-08 Prefactor = 2.7256e-08 norm = 18.2784 Prefactor = 2.77556e-10 Prefactor = 0 norm = 8.86109 Prefactor = 4.5146 norm = 2.94708e-05 norm = 2.10655e-05 norm = 1.15903 norm = 3.33067e-09 Prefactor = 8.55427e-07 norm = 11.1135 norm = 0.000191153 Prefactor = 2.22045e-10 Normalizat = 1.30699 Prefactor = 1.05099 ********** ** 18 **HESSE ********** FCN= 14158.57 FROM HESSE STATUS=OK 333 CALLS 1799 TOTAL EDM= .19E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 9.9525 9.4413 .31738E-03 -1.5645 2 Prefactor 1.5344 120.39 .84635E-03 -1.5683 3 Prefactor .28885E-04 56.017 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .47629E-07 9.6565 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .27256E-07 7.1249 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm 18.278 18.846 .23393E-03 -1.5622 7 Prefactor .27756E-09 4.8721 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .0000 1.4234 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 norm 8.8611 12.423 .33656E-03 -1.5648 10 Prefactor 4.5146 10.579 .47350E-03 -1.5665 11 norm .29471E-04 78.356 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm .21066E-04 86.390 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 norm 1.1590 11.034 .10768E-02 -1.5686 14 norm .33307E-08 7.6597 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor .85543E-06 24.736 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 11.114 6.1455 .30028E-03 -1.5641 17 norm .19115E-03 4.7799 .85683E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .22204E-09 4.5243 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Normalizat 1.3070 .18088 .92051E-01 -.83358 20 Prefactor 1.0510 .62823E-01 .39852E-01 -.91049 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.87481e-06 Minuit parameter uncertainties: 1 9.44134 2 27.1829 3 0.0804509 4 0.00135608 5 0.000881307 6 18.8461 7 7.05629e-05 8 1.12057e-05 9 12.4228 10 10.5789 11 0.0961096 12 0.0853205 13 7.15233 14 0.000319308 15 0.00919995 16 6.1455 17 0.0604546 18 6.60953e-05 19 0.18097 20 0.0628271 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14158.5650286 Extracting fit parameters... 4FGL J0646.7-3913 Spectrum: PowerLaw 311 Prefactor: 0.000e+00 1.121e-05 0.000e+00 1.000e+06 ( 1.000e-11) 312 Index: 2.985e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 313 Scale: 2.835e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 663 Prefactor: 1.051e+00 6.283e-02 0.000e+00 1.000e+01 ( 1.000e+00) 664 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 665 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 662 Normalization: 1.307e+00 1.810e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.00 Ra Dec: 101.678 -39.218 Photon Flux Upper Limit: 6.75712037955e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00540159992082 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31139745/likelihoodResults_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.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) = 14158.5655444 delta logL = -0.000515840500157 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 14158.5650289 delta logL = -3.61362253898e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .52941E-06 1.0000 .0000 .10000E+07 2 'Index ' 3.7452 1.0000 .0000 10.000 3 'Normalizat' 1.3070 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0510 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6730E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14158.57 FROM MIGRAD STATUS=CONVERGED 36 CALLS 228 TOTAL EDM= .64E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 1.6553 .42118E-03** at limit ** 2 Index 3.8086 1.0048 .57833E-05 .0000 3 Normalizat 1.3070 1.0779 -.86849E-05 -.97953E-04 4 Prefactor 1.0510 1.1902 .92380E-05 -.60989E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.80863 Normalizat = 1.30699 Prefactor = 1.05099 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14158.57 FROM HESSE STATUS=FAILED 9 CALLS 237 TOTAL EDM= .64E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 1.6553 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.5897 2.2448 .57833E-05 -.24059 3 Normalizat 1.3070 1.0779 -.86849E-05 -.83358 4 Prefactor 1.0510 1.1902 .92380E-05 -.91049 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.37671e-11 Minuit parameter uncertainties: 1 9.50571e-06 2 1.01213 3 1.09734 4 1.22226 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) = 14158.5650286 delta logL = -2.72848410532e-11 Extracting fit parameters... 4FGL J0646.7-3913 Spectrum: PowerLaw 311 Prefactor: 0.000e+00 9.506e-06 0.000e+00 1.000e+06 ( 1.000e-11) 312 Index: 3.809e+00 1.012e+00 0.000e+00 1.000e+01 (-1.000e+00) 313 Scale: 2.835e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 663 Prefactor: 1.051e+00 1.222e+00 0.000e+00 1.000e+01 ( 1.000e+00) 664 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 665 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 662 Normalization: 1.307e+00 1.097e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.00 Ra Dec: 101.678 -39.218 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/31139745/cmap_HighResolution_803606401_803865601_4FGL_J0646.7-3913_daily_bin2177.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='5.40e-03', job_status='DONE', photon_flux_upper_limit='6.76e-08', time_completed='2026-07-09 11:59:19.079078', job_id='31139745', GAL2='1.05', fit_tolerance='1e-08', EG2='1.31', EG='1.31', time_epoch_completed='1783623559.08', return_code2='101', ts='0.00', comment='SUCCESS', return_code='0', GAL='1.05', dlogl='-2.73e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.98' WHERE bin_id='2177' AND source_name='4FGL J0646.7-3913' AND cadence='daily'; Database successfully updated. Analysis Complete. Thu Jul 9 11:59:19 PDT 2026