/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 = 17478 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0957.8+3423_weekly_bin939 RA = 149.471, Dec = 34.3975 tmin = 806889601, tmax = 807494401 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='34154399', job_status='RUN', time_executed='2026-08-04 07:35:32.452764', time_epoch_executed='1785854132.45' WHERE source_name='4FGL J0957.8+3423' and cadence='weekly' and bin_id='939' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/34154399 Creating custom pfile directory: /lscratch/kocevski/34154399/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=806889601.0 && nMetStart<807494401.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=806889601.0 && nMetStart<807494401.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/34154399/ft1_4FGL_J0957.8+3423_weekly_bin939.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=806889601.0 && nMetStart<807494401.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/34154399/ft1_4FGL_J0957.8+3423_weekly_bin939.fits outfile=/lscratch/kocevski/34154399/ft1_filteredMKT_4FGL_J0957.8+3423_weekly_bin939.fits ra=149.471 dec=34.3975 rad=12.0 tmin=806889601.0 tmax=807494401.0 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 3.98 user 3.19 sys 0.21 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.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/34154399/ft1_filteredMKT_4FGL_J0957.8+3423_weekly_bin939.fits evtable="EVENTS" outfile="/lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.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 0.84 user 0.20 sys 0.12 Number of photons that the gtmktime cut: 156 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits" evtable="EVENTS" scfile=/lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits sctable="SC_DATA" outfile=/lscratch/kocevski/34154399/ltcube_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.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/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits .....................! real 16.92 user 16.03 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits evtable="EVENTS" scfile=/lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits sctable="SC_DATA" expcube=/lscratch/kocevski/34154399/ltcube_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.fits outfile=/lscratch/kocevski/34154399/expmap_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.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/34154399/ltcube_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.fits .....................! real 61.44 user 56.75 sys 3.70 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 187 point sources and 0 extended sources Setting source of interest to: 4FGL J0957.8+3423 @ 149.471 34.3975 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits scfile=/lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits outfile=/lscratch/kocevski/34154399/cmap_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.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=149.471 yref=34.3975 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 0.82 user 0.21 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits scfile=/lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits outfile=/lscratch/kocevski/34154399/cmap_HighResolution_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.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=149.471 yref=34.3975 axisrot=0.0 rafield="RA" decfield="DEC" proj="AIT" hpx_ordering_scheme="RING" hpx_order=3 hpx_ebin=yes hpx_region="" evtable="EVENTS" sctable="SC_DATA" efield="ENERGY" tfield="TIME" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtbin version HEAD real 1.04 user 0.22 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits evtable="EVENTS" scfile=/lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/34154399/Model_4FGL_J0957.8+3423_weekly_bin939.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/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits.......................! real 10.64 user 8.90 sys 0.90 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits', '/lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits', expMap='/lscratch/kocevski/34154399/expmap_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.fits', expCube='/lscratch/kocevski/34154399/ltcube_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/34154399/Model_4FGL_J0957.8+3423_weekly_bin939.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0957.8+3423' 4FGL J0957.8+3423 Spectrum: PowerLaw 286 Prefactor: 1.465e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 287 Index: 2.164e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 288 Scale: 1.466e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/34154399/ft1_filtered_4FGL_J0957.8+3423_weekly_bin939.fits Spacecraft file(s): /lscratch/kocevski/34154399/ft2_4FGL_J0957.8+3423_weekly_bin939.fits Exposure map: /lscratch/kocevski/34154399/expmap_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.fits Exposure cube: /lscratch/kocevski/34154399/ltcube_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/34154399/Model_4FGL_J0957.8+3423_weekly_bin939.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) = 1749.34125978 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 1749.3264389 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .58191 1.0000 .0000 .10000E+07 2 'Prefactor ' .19314E-02 1.0000 .0000 .10000E+07 3 'norm ' .79324 1.0000 .0000 .10000E+07 4 'Prefactor ' .76476E-04 1.0000 .0000 .10000E+07 5 'norm ' 207.22 1.0000 .0000 .10000E+07 6 'Prefactor ' 28.420 1.0000 .0000 .10000E+07 7 'Prefactor ' .39884 1.0000 .0000 .10000E+07 8 'norm ' .81576E-01 1.0000 .0000 .10000E+07 9 'Prefactor ' .41526E-02 1.0000 .0000 .10000E+07 10 'Prefactor ' .10317E-02 1.0000 .0000 .10000E+07 11 'Prefactor ' 407.34 1.0000 .0000 .10000E+07 12 'Prefactor ' 15.563 1.0000 .0000 .10000E+07 13 'Prefactor ' .27608E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 4.4806 1.0000 .0000 .10000E+07 15 'norm ' 40.526 1.0000 .0000 .10000E+07 16 'Prefactor ' 12.787 1.0000 .0000 .10000E+07 17 'Prefactor ' 5.2513 1.0000 .0000 .10000E+07 18 'norm ' 5.7693 1.0000 .0000 .10000E+07 19 'Prefactor ' .32375 1.0000 .0000 .10000E+07 20 'Prefactor ' 72.847 1.0000 .0000 .10000E+07 21 'Prefactor ' .69034E-06 1.0000 .0000 .10000E+07 22 'Prefactor ' .31367E-01 1.0000 .0000 .10000E+07 23 'Normalizat' .65006 1.0000 .10000E-01 10.000 24 'Prefactor ' 1.3782 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 1749.320 FROM MIGRAD STATUS=CONVERGED 219 CALLS 2644 TOTAL EDM= .12E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .37970E-05 241.04 -.12198E-05** at limit ** 2 Prefactor .18985E-07 36.239 -.24842E-06** at limit ** 3 norm .44319E-03 577.50 .18746E-06** at limit ** 4 Prefactor .77790E-03 128.98 .11049E-05** at limit ** 5 norm 207.07 4.4152 -.19944E-07 -.11257 6 Prefactor 27.662 41.580 .92281E-06 -.12571 7 Prefactor .94369E-09 143.89 .67834E-06** at limit ** 8 norm .11102E-09 62.435 -.46991E-07** at limit ** 9 Prefactor .18762E-04 122.57 .35452E-06** at limit ** 10 Prefactor .34461E-03 162.54 -.71437E-06** at limit ** 11 Prefactor 402.98 298.55 -.16354E-05 .55709E-01 12 Prefactor 15.355 25.791 .16266E-06 .49931E-04 13 Prefactor .11102E-09 10.567 .43393E-07** at limit ** 14 Prefactor 4.4857 6.4523 -.57249E-07 -.36206E-03 15 norm 40.382 24.157 .55152E-06 -.91930E-02 16 Prefactor 12.730 11.173 -.33047E-07 -.10010E-02 17 Prefactor 5.3082 14.994 .99092E-07 .17890E-02 18 norm 5.8250 14.226 .77348E-07 .45003E-03 19 Prefactor .17764E-08 119.94 -.12468E-06** at limit ** 20 Prefactor 71.768 30.477 -.52634E-06 -.24066 21 Prefactor .0000 2.3840 -.16534E-07** at limit ** 22 Prefactor .0000 26.651 -.31257E-07** at limit ** 23 Normalizat .65360 .42918 .18238E-05 .96916E-06 24 Prefactor 1.3774 .46665 -.26268E-05 .11892E-05 ERR DEF= .500 Final values: Prefactor = 3.79696e-06 Prefactor = 1.89848e-08 norm = 0.000443188 Prefactor = 0.000777903 norm = 207.074 Prefactor = 27.662 Prefactor = 9.4369e-10 norm = 1.11022e-10 Prefactor = 1.87616e-05 Prefactor = 0.000344606 Prefactor = 402.985 Prefactor = 15.355 Prefactor = 1.11022e-10 Prefactor = 4.48568 norm = 40.3818 Prefactor = 12.7299 Prefactor = 5.30819 norm = 5.82504 Prefactor = 1.77636e-09 Prefactor = 71.768 Prefactor = 0 Prefactor = 0 Normalizat = 0.653596 Prefactor = 1.37738 ********** ** 18 **HESSE ********** FCN= 1749.320 FROM HESSE STATUS=OK 439 CALLS 3083 TOTAL EDM= .28E-04 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .37970E-05 241.64 .70864E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .18985E-07 36.260 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm .44319E-03 630.00 .53440E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .77790E-03 272.62 .42118E-03 -1.5707 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm 207.07 556.98 .69475E-04 -1.5420 6 Prefactor 27.662 51.923 .18761E-03 -1.5603 7 Prefactor .94369E-09 143.74 .89621E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .11102E-09 62.570 .14453E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .18762E-04 126.18 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .34461E-03 252.86 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 402.98 336.16 .49557E-04 -1.5306 12 Prefactor 15.355 25.818 .25362E-03 -1.5630 13 Prefactor .11102E-09 10.570 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 4.4857 6.4719 .47544E-03 -1.5666 15 norm 40.382 24.206 .15710E-03 -1.5581 16 Prefactor 12.730 11.300 .27987E-03 -1.5637 17 Prefactor 5.3082 15.197 .43839E-03 -1.5662 18 norm 5.8250 14.252 .41792E-03 -1.5660 19 Prefactor .17764E-08 119.11 .98912E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor 71.768 56.858 .11717E-03 -1.5539 21 Prefactor .0000 2.3814 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor .0000 26.342 .16379E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Normalizat .65360 .37448 .71509E-01 -1.0575 24 Prefactor 1.3774 .40069 .60672E-01 -.81034 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.82091e-05 Minuit parameter uncertainties: 1 0.0605825 2 0.00165948 3 1.05692 4 0.921072 5 557.121 6 51.9237 7 0.000732347 8 0.000176641 9 0.0973142 10 0.590402 11 336.175 12 25.8186 13 6.24419e-05 14 6.47186 15 24.2057 16 11.2998 17 15.1971 18 14.2525 19 0.000926059 20 56.8587 21 2.86329e-08 22 1.50126e-06 23 0.375954 24 0.401597 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 1749.32012078 Extracting fit parameters... 4FGL J0957.8+3423 Spectrum: PowerLaw 286 Prefactor: 1.110e-10 6.244e-05 0.000e+00 1.000e+06 ( 1.000e-13) 287 Index: 2.164e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 288 Scale: 1.466e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 585 Prefactor: 1.377e+00 4.016e-01 0.000e+00 1.000e+01 ( 1.000e+00) 586 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 587 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 584 Normalization: 6.536e-01 3.760e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 149.471 34.398 Photon Flux Upper Limit: 1.62762160975e-07 ph cm-2 s-1 Energy Flux Upper Limit: 0.0123676291158 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/34154399/likelihoodResults_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.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) = 1749.36522332 delta logL = -0.0451025344696 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 1749.32012079 delta logL = -1.17463514471e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .68667E-07 1.0000 .0000 .10000E+07 2 'Index ' 1.6849 1.0000 .0000 10.000 3 'Normalizat' .65364 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.3773 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 1749.320 FROM MIGRAD STATUS=CONVERGED 49 CALLS 222 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 1.9977 .42118E-03** at limit ** 2 Index .34001 .50069 .34867E-04 .0000 3 Normalizat .65360 .99264 -.16262E-04 .37087E-05 4 Prefactor 1.3774 1.0638 .83987E-05 -.53348E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.340013 Normalizat = 0.653597 Prefactor = 1.37738 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 1749.320 FROM HESSE STATUS=FAILED 9 CALLS 231 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 1.9977 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .48286E-01 .50069 .34867E-04 -1.1999 3 Normalizat .65360 .99264 -.16262E-04 -1.0575 4 Prefactor 1.3774 1.0638 .83987E-05 -.81034 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.44179e-12 Minuit parameter uncertainties: 1 9.50271e-07 2 0.507289 3 1.02196 4 1.08151 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) = 1749.32012078 delta logL = 4.54747350886e-12 Extracting fit parameters... 4FGL J0957.8+3423 Spectrum: PowerLaw 286 Prefactor: 0.000e+00 9.503e-07 0.000e+00 1.000e+06 ( 1.000e-13) 287 Index: 3.400e-01 5.073e-01 0.000e+00 1.000e+01 (-1.000e+00) 288 Scale: 1.466e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 585 Prefactor: 1.377e+00 1.082e+00 0.000e+00 1.000e+01 ( 1.000e+00) 586 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 587 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 584 Normalization: 6.536e-01 1.022e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 149.471 34.398 Creating a high resolution counts map... INFO: Auto-setting vmin to 0.000e+00 [aplpy.core] INFO: Auto-setting vmax to 0.000e+00 [aplpy.core] Saving /lscratch/kocevski/34154399/cmap_HighResolution_806889601_807494401_4FGL_J0957.8+3423_weekly_bin939.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.24e-02', job_status='DONE', photon_flux_upper_limit='1.63e-07', time_completed='2026-08-04 07:44:05.291775', job_id='34154399', GAL2='1.38', fit_tolerance='1e-08', EG2='0.65', EG='0.65', time_epoch_completed='1785854645.29', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.38', dlogl='4.55e-12', ts2='0.00', photon_index_error='0.00', photon_index='2.16' WHERE bin_id='939' AND source_name='4FGL J0957.8+3423' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Aug 4 07:44:05 PDT 2026