/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 = 17462 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1637.7+7326_weekly_bin935 RA = 249.448, Dec = 73.4413 tmin = 804470401, tmax = 805075201 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='31177610', job_status='RUN', time_executed='2026-07-09 22:01:32.737443', time_epoch_executed='1783659692.74' WHERE source_name='4FGL J1637.7+7326' and cadence='weekly' and bin_id='935' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31177610 Creating custom pfile directory: /lscratch/kocevski/31177610/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31177610/ft1_4FGL_J1637.7+7326_weekly_bin935.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31177610/ft1_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177610/ft1_filteredMKT_4FGL_J1637.7+7326_weekly_bin935.fits ra=249.448 dec=73.4413 rad=12.0 tmin=804470401.0 tmax=805075201.0 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 6.66 user 5.49 sys 0.28 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.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/31177610/ft1_filteredMKT_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" outfile="/lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.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 1.38 user 0.22 sys 0.14 Number of photons that the gtmktime cut: 2220 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA"number of points = 17462 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1637.7+7326_weekly_bin935 RA = 249.448, Dec = 73.4413 tmin = 804470401, tmax = 805075201 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='31177757', job_status='RUN', time_executed='2026-07-09 22:04:12.626443', time_epoch_executed='1783659852.63' WHERE source_name='4FGL J1637.7+7326' and cadence='weekly' and bin_id='935' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31177757 Creating custom pfile directory: /lscratch/kocevski/31177757/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31177757/ft1_4FGL_J1637.7+7326_weekly_bin935.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31177757/ft1_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177757/ft1_filteredMKT_4FGL_J1637.7+7326_weekly_bin935.fits ra=249.448 dec=73.4413 rad=12.0 tmin=804470401.0 tmax=805075201.0 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 6.35 user 5.44 sys 0.26 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.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/31177757/ft1_filteredMKT_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" outfile="/lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.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 0.86 user 0.24 sys 0.14 Number of photons that the gtmktime cut: 2220 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA"e GAL_V02 Working on... /lscratch/kocevski/31177394/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits....................! real 90.06 user 87.73 sys 1.45 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177394/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits', '/lscratch/kocevski/31177394/ft2_4FGL_J1637.7+7326_weekly_bin935.fits', expMap='/lscratch/kocevski/31177394/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', expCube='/lscratch/kocevski/31177394/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177394/Model_4FGL_J1637.7+7326_weekly_bin935.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1637.7+7326' 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 4.118e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177394/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits Spacecraft file(s): /lscratch/kocevski/31177394/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Exposure map: /lscratch/kocevski/31177394/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits Exposure cube: /lscratch/kocevski/31177394/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177394/Model_4FGL_J1637.7+7326_weekly_bin935.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) = 23308.0192005 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8752569 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .48911E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 29.244 1.0000 .0000 .10000E+07 3 'Prefactor ' .29610E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 26.606 1.0000 .0000 .10000E+07 5 'Prefactor ' .25296E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' 32.883 1.0000 .0000 .10000E+07 7 'Prefactor ' 12.246 1.0000 .0000 .10000E+07 8 'norm ' 8.8122 1.0000 .0000 .10000E+07 9 'Prefactor ' .23989E-04 1.0000 .0000 .10000E+07 10 'Prefactor ' 22.618 1.0000 .0000 .10000E+07 11 'norm ' 13.484 1.0000 .0000 .10000E+07 12 'norm ' .12930 1.0000 .0000 .10000E+07 13 'Prefactor ' 1.4695 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.1586 1.0000 .0000 .10000E+07 15 'Prefactor ' 8.5369 1.0000 .0000 .10000E+07 16 'Prefactor ' .76442E-03 1.0000 .0000 .10000E+07 17 'norm ' 5.2357 1.0000 .0000 .10000E+07 18 'norm ' 5.9263 1.0000 .0000 .10000E+07 19 'norm ' 6.5114 1.0000 .0000 .10000E+07 20 'Prefactor ' 13.710 1.0000 .0000 .10000E+07 21 'Prefactor ' .67706E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' .25912E-01 1.0000 .0000 .10000E+07 23 'Prefactor ' .12524E-04 1.0000 .0000 .10000E+07 24 'Normalizat' .90456 1.0000 .10000E-01 10.000 25 'Prefactor ' .93612 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 220 CALLS 1748 TOTAL EDM= .85E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .96090E-06 15.273 .11167E-05** at limit ** 2 Prefactor 29.735 19.637 .23555E-06 -.76559E-01 3 Prefactor .12768E-08 5.8687 .44700E-06** at limit ** 4 Prefactor 26.600 2.5083 .24304E-07 -.54628E-02 5 Prefactor .30531E-08 9.8218 -.21388E-06** at limit ** 6 Prefactor 33.079 10.429 -.19932E-06 .66030E-01 7 Prefactor 17.110 56.160 .31208E-05 -.19584E-02 8 norm 8.8167 6.8313 -.65702E-07 -.12863E-03 9 Prefactor .82045E-07 10.104 .83413E-06** at limit ** 10 Prefactor 22.837 8.9028 -.23261E-06 .44080E-01 11 norm 13.481 5.1401 -.44128E-08 -.17751E-03 12 norm .12931 .18251 -.27968E-07** at limit ** 13 Prefactor 1.4737 2.2854 -.16945E-06 -.10041E-03 14 Prefactor 2.1632 1.5333 -.16075E-07 .15199E-02 15 Prefactor 8.5541 5.3519 .92240E-07 .13532E-02 16 Prefactor .67668E-07 13.921 .66909E-09** at limit ** 17 norm 5.2380 1.5503 -.27135E-07 -.14977E-02 18 norm 5.9280 .63037 .58033E-07 .34071E-02 19 norm 6.5132 2.3871 .50883E-07 .15645E-02 20 Prefactor 13.731 8.8020 .59487E-06 .11551 21 Prefactor .14555E-06 80.855 .15799E-05** at limit ** 22 Prefactor .43034E-01 21.445 -.98059E-06** at limit ** 23 Prefactor .38858E-09 8.3803 -.15100E-06** at limit ** 24 Normalizat .90227 .10955 -.35439E-05 .49320E-04 25 Prefactor .93683 .80069E-01 -.92292E-06 .22881E-04 ERR DEF= .500 Final values: Prefactor = 9.60898e-07 Prefactor = 29.7353 Prefactor = 1.27676e-09 Prefactor = 26.5997 Prefactor = 3.05311e-09 Prefactor = 33.0785 Prefactor = 17.1097 norm = 8.81673 Prefactor = 8.20455e-08 Prefactor = 22.8366 norm = 13.4807 norm = 0.129308 Prefactor = 1.47368 Prefactor = 2.16316 Prefactor = 8.55412 Prefactor = 6.76681e-08 norm = 5.23802 norm = 5.92803 norm = 6.51317 Prefactor = 13.731 Prefactor = 1.4555e-07 Prefactor = 0.0430337 Prefactor = 3.88578e-10 Normalizat = 0.902273 Prefactor = 0.936831 outfile=/lscratch/kocevski/31177610/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits .....................! real 21.05 user 19.72 sys 0.27 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31177610/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177610/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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/31177610/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits .....................! real 74.74 user 69.18 sys 4.20 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 205 point sources and 0 extended sources Setting source of interest to: 4FGL J1637.7+7326 @ 249.448 73.4413 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits scfile=/lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177610/cmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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=249.448 yref=73.4413 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 1.22 user 0.24 sys 0.15 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits scfile=/lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177610/cmap_HighResolution_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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=249.448 yref=73.4413 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 1.11 user 0.25 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31177610/Model_4FGL_J1637.7+7326_weekly_bin935.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 sourc ********** ** 18 **HESSE ********** FCN= 23307.87 FROM HESSE STATUS=OK 489 CALLS 2237 TOTAL EDM= .37E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .96090E-06 21.190 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 29.735 24.826 .18495E-03 -1.5599 3 Prefactor .12768E-08 5.8258 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 26.600 19.631 .19391E-03 -1.5605 5 Prefactor .30531E-08 9.8270 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 33.079 17.183 .17441E-03 -1.5593 7 Prefactor 17.110 55.973 .28600E-03 -1.5625 8 norm 8.8167 6.8406 .33741E-03 -1.5649 9 Prefactor .82045E-07 17.131 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 22.837 16.896 .21032E-03 -1.5612 11 norm 13.481 5.1355 .27251E-03 -1.5635 12 norm .12931 .21872 .21019E-02 -1.5701 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 1.4737 2.3332 .88626E-03 -1.5684 14 Prefactor 2.1632 1.5405 .70087E-03 -1.5679 15 Prefactor 8.5541 5.4298 .34285E-03 -1.5649 16 Prefactor .67668E-07 16.875 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 norm 5.2380 1.5521 .43906E-03 -1.5662 18 norm 5.9280 .63105 .41226E-03 -1.5659 19 norm 6.5132 2.4106 .39306E-03 -1.5657 20 Prefactor 13.731 11.238 .27026E-03 -1.5634 21 Prefactor .14555E-06 81.120 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor .43034E-01 .70920 .79868E-02 -1.5704 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .38858E-09 8.2655 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat .90227 .96939E-01 .44960E-01 -.96380 25 Prefactor .93683 .69982E-01 .45464E-01 -.94866 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.65115e-07 Minuit parameter uncertainties: 1 0.00902465 2 24.8263 3 0.000171802 4 19.6314 5 0.000346065 6 17.1834 7 55.9751 8 6.84063 9 0.00237117 10 16.896 11 5.13548 12 0.218719 13 2.33316 14 1.54051 15 5.42981 16 0.0021373 17 1.55209 18 0.631047 19 2.41055 20 11.2377 21 0.00687183 22 0.349397 23 0.000117091 24 0.0969574 25 0.0699885 outfile=/lscratch/kocevski/31177757/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits .....................! real 21.16 user 19.29 sys 0.21 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31177757/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177757/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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/31177757/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits .....................! real 77.31 user 69.84 sys 4.47 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 205 point sources and 0 extended sources Setting source of interest to: 4FGL J1637.7+7326 @ 249.448 73.4413 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits scfile=/lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177757/cmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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=249.448 yref=73.4413 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 1.12 user 0.26 sys 0.11 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits scfile=/lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177757/cmap_HighResolution_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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=249.448 yref=73.4413 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 0.94 user 0.25 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31177757/Model_4FGL_J1637.7+7326_weekly_bin935.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 = 17462 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1637.7+7326_weekly_bin935 RA = 249.448, Dec = 73.4413 tmin = 804470401, tmax = 805075201 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='31177834', job_status='RUN', time_executed='2026-07-09 22:07:30.331041', time_epoch_executed='1783660050.33' WHERE source_name='4FGL J1637.7+7326' and cadence='weekly' and bin_id='935' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31177834 Creating custom pfile directory: /lscratch/kocevski/31177834/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31177834/ft1_4FGL_J1637.7+7326_weekly_bin935.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=804470401.0 && nMetStart<805075201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31177834/ft1_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177834/ft1_filteredMKT_4FGL_J1637.7+7326_weekly_bin935.fits ra=249.448 dec=73.4413 rad=12.0 tmin=804470401.0 tmax=805075201.0 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 6.80 user 5.45 sys 0.24 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.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/31177834/ft1_filteredMKT_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" outfile="/lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.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 1.70 user 0.24 sys 0.14 Number of photons that the gtmktime cut: 2220 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA"Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8710749 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 8.205e-08 2.371e-03 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 6.999e-02 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 9.696e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 249.448 73.441 Photon Flux Upper Limit: 1.29687774774e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.000962355012753 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177394/likelihoodResults_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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) = 23307.8989358 delta logL = -0.0278609063425 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 23307.8710749 delta logL = -3.62706487067e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .14289E-06 1.0000 .0000 .10000E+07 2 'Index ' .59534 1.0000 .0000 10.000 3 'Normalizat' .90227 1.0000 .10000E-01 10.000 4 'Prefactor ' .93683 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 29 CALLS 196 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.1% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 17.725 -.13082E-06** at limit ** 2 Index 1.8187 5.3784 .10361E-04 .0000 3 Normalizat .90227 .10442 -.79989E-06 -.58366E-04 4 Prefactor .93683 .79129E-01 -.58168E-06 -.78359E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.81873 Normalizat = 0.902273 Prefactor = 0.936831 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 23307.87 FROM HESSE STATUS=FAILED 11 CALLS 207 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 18.060 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .34047 1.7418 .10361E-04 -.68963 3 Normalizat .90227 1.2375 -.79989E-06 -.96380 4 Prefactor .93683 1.2798 -.58168E-06 -.94866 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.45393e-13 Minuit parameter uncertainties: 1 5.13869e-06 2 1.58116 3 1.28014 4 1.32502 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) = 23307.8710749 delta logL = 2.39742803387e-09 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 0.000e+00 5.139e-06 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.819e+00 1.581e+00 0.000e+00 1.000e+01 (-1.000e+00) 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 1.325e+00 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 1.280e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 249.448 73.441 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/31177394/cmap_HighResolution_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='9.62e-04', job_status='DONE', photon_flux_upper_limit='1.30e-08', time_completed='2026-07-09 22:15:45.179985', job_id='31177394', GAL2='0.94', fit_tolerance='1e-08', EG2='0.90', EG='0.90', time_epoch_completed='1783660545.18', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.94', dlogl='2.40e-09', ts2='0.00', photon_index_error='0.00', photon_index='1.88' WHERE bin_id='935' AND source_name='4FGL J1637.7+7326' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:15:45 PDT 2026 e GAL_V02 Working on... /lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits....................! real 96.51 user 94.24 sys 0.81 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits', '/lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits', expMap='/lscratch/kocevski/31177610/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', expCube='/lscratch/kocevski/31177610/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177610/Model_4FGL_J1637.7+7326_weekly_bin935.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1637.7+7326' 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 4.118e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177610/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits Spacecraft file(s): /lscratch/kocevski/31177610/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Exposure map: /lscratch/kocevski/31177610/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits Exposure cube: /lscratch/kocevski/31177610/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177610/Model_4FGL_J1637.7+7326_weekly_bin935.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) = 23308.0192005 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8752569 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .48911E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 29.244 1.0000 .0000 .10000E+07 3 'Prefactor ' .29610E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 26.606 1.0000 .0000 .10000E+07 5 'Prefactor ' .25296E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' 32.883 1.0000 .0000 .10000E+07 7 'Prefactor ' 12.246 1.0000 .0000 .10000E+07 8 'norm ' 8.8122 1.0000 .0000 .10000E+07 9 'Prefactor ' .23989E-04 1.0000 .0000 .10000E+07 10 'Prefactor ' 22.618 1.0000 .0000 .10000E+07 11 'norm ' 13.484 1.0000 .0000 .10000E+07 12 'norm ' .12930 1.0000 .0000 .10000E+07 13 'Prefactor ' 1.4695 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.1586 1.0000 .0000 .10000E+07 15 'Prefactor ' 8.5369 1.0000 .0000 .10000E+07 16 'Prefactor ' .76442E-03 1.0000 .0000 .10000E+07 17 'norm ' 5.2357 1.0000 .0000 .10000E+07 18 'norm ' 5.9263 1.0000 .0000 .10000E+07 19 'norm ' 6.5114 1.0000 .0000 .10000E+07 20 'Prefactor ' 13.710 1.0000 .0000 .10000E+07 21 'Prefactor ' .67706E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' .25912E-01 1.0000 .0000 .10000E+07 23 'Prefactor ' .12524E-04 1.0000 .0000 .10000E+07 24 'Normalizat' .90456 1.0000 .10000E-01 10.000 25 'Prefactor ' .93612 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** e GAL_V02 Working on... /lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits....................! real 98.09 user 93.29 sys 1.15 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits', '/lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits', expMap='/lscratch/kocevski/31177757/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', expCube='/lscratch/kocevski/31177757/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177757/Model_4FGL_J1637.7+7326_weekly_bin935.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1637.7+7326' 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 4.118e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177757/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits Spacecraft file(s): /lscratch/kocevski/31177757/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Exposure map: /lscratch/kocevski/31177757/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits Exposure cube: /lscratch/kocevski/31177757/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177757/Model_4FGL_J1637.7+7326_weekly_bin935.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) = 23308.0192005 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8752569 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .48911E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 29.244 1.0000 .0000 .10000E+07 3 'Prefactor ' .29610E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 26.606 1.0000 .0000 .10000E+07 5 'Prefactor ' .25296E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' 32.883 1.0000 .0000 .10000E+07 7 'Prefactor ' 12.246 1.0000 .0000 .10000E+07 8 'norm ' 8.8122 1.0000 .0000 .10000E+07 9 'Prefactor ' .23989E-04 1.0000 .0000 .10000E+07 10 'Prefactor ' 22.618 1.0000 .0000 .10000E+07 11 'norm ' 13.484 1.0000 .0000 .10000E+07 12 'norm ' .12930 1.0000 .0000 .10000E+07 13 'Prefactor ' 1.4695 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.1586 1.0000 .0000 .10000E+07 15 'Prefactor ' 8.5369 1.0000 .0000 .10000E+07 16 'Prefactor ' .76442E-03 1.0000 .0000 .10000E+07 17 'norm ' 5.2357 1.0000 .0000 .10000E+07 18 'norm ' 5.9263 1.0000 .0000 .10000E+07 19 'norm ' 6.5114 1.0000 .0000 .10000E+07 20 'Prefactor ' 13.710 1.0000 .0000 .10000E+07 21 'Prefactor ' .67706E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' .25912E-01 1.0000 .0000 .10000E+07 23 'Prefactor ' .12524E-04 1.0000 .0000 .10000E+07 24 'Normalizat' .90456 1.0000 .10000E-01 10.000 25 'Prefactor ' .93612 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** outfile=/lscratch/kocevski/31177834/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits .....................! real 22.01 user 20.40 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31177834/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177834/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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/31177834/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits .....................! real 74.53 user 69.08 sys 4.23 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 205 point sources and 0 extended sources Setting source of interest to: 4FGL J1637.7+7326 @ 249.448 73.4413 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits scfile=/lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177834/cmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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=249.448 yref=73.4413 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 0.79 user 0.23 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits scfile=/lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits outfile=/lscratch/kocevski/31177834/cmap_HighResolution_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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=249.448 yref=73.4413 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 1.01 user 0.26 sys 0.15 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31177834/Model_4FGL_J1637.7+7326_weekly_bin935.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 sourc** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 220 CALLS 1748 TOTAL EDM= .85E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .96090E-06 15.273 .11167E-05** at limit ** 2 Prefactor 29.735 19.637 .23555E-06 -.76559E-01 3 Prefactor .12768E-08 5.8687 .44700E-06** at limit ** 4 Prefactor 26.600 2.5083 .24304E-07 -.54628E-02 5 Prefactor .30531E-08 9.8218 -.21388E-06** at limit ** 6 Prefactor 33.079 10.429 -.19932E-06 .66030E-01 7 Prefactor 17.110 56.160 .31208E-05 -.19584E-02 8 norm 8.8167 6.8313 -.65702E-07 -.12863E-03 9 Prefactor .82045E-07 10.104 .83413E-06** at limit ** 10 Prefactor 22.837 8.9028 -.23261E-06 .44080E-01 11 norm 13.481 5.1401 -.44128E-08 -.17751E-03 12 norm .12931 .18251 -.27968E-07** at limit ** 13 Prefactor 1.4737 2.2854 -.16945E-06 -.10041E-03 14 Prefactor 2.1632 1.5333 -.16075E-07 .15199E-02 15 Prefactor 8.5541 5.3519 .92240E-07 .13532E-02 16 Prefactor .67668E-07 13.921 .66909E-09** at limit ** 17 norm 5.2380 1.5503 -.27135E-07 -.14977E-02 18 norm 5.9280 .63037 .58033E-07 .34071E-02 19 norm 6.5132 2.3871 .50883E-07 .15645E-02 20 Prefactor 13.731 8.8020 .59487E-06 .11551 21 Prefactor .14555E-06 80.855 .15799E-05** at limit ** 22 Prefactor .43034E-01 21.445 -.98059E-06** at limit ** 23 Prefactor .38858E-09 8.3803 -.15100E-06** at limit ** 24 Normalizat .90227 .10955 -.35439E-05 .49320E-04 25 Prefactor .93683 .80069E-01 -.92292E-06 .22881E-04 ERR DEF= .500 Final values: Prefactor = 9.60898e-07 Prefactor = 29.7353 Prefactor = 1.27676e-09 Prefactor = 26.5997 Prefactor = 3.05311e-09 Prefactor = 33.0785 Prefactor = 17.1097 norm = 8.81673 Prefactor = 8.20455e-08 Prefactor = 22.8366 norm = 13.4807 norm = 0.129308 Prefactor = 1.47368 Prefactor = 2.16316 Prefactor = 8.55412 Prefactor = 6.76681e-08 norm = 5.23802 norm = 5.92803 norm = 6.51317 Prefactor = 13.731 Prefactor = 1.4555e-07 Prefactor = 0.0430337 Prefactor = 3.88578e-10 Normalizat = 0.902273 Prefactor = 0.936831 ** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 220 CALLS 1748 TOTAL EDM= .85E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .96090E-06 15.273 .11167E-05** at limit ** 2 Prefactor 29.735 19.637 .23555E-06 -.76559E-01 3 Prefactor .12768E-08 5.8687 .44700E-06** at limit ** 4 Prefactor 26.600 2.5083 .24304E-07 -.54628E-02 5 Prefactor .30531E-08 9.8218 -.21388E-06** at limit ** 6 Prefactor 33.079 10.429 -.19932E-06 .66030E-01 7 Prefactor 17.110 56.160 .31208E-05 -.19584E-02 8 norm 8.8167 6.8313 -.65702E-07 -.12863E-03 9 Prefactor .82045E-07 10.104 .83413E-06** at limit ** 10 Prefactor 22.837 8.9028 -.23261E-06 .44080E-01 11 norm 13.481 5.1401 -.44128E-08 -.17751E-03 12 norm .12931 .18251 -.27968E-07** at limit ** 13 Prefactor 1.4737 2.2854 -.16945E-06 -.10041E-03 14 Prefactor 2.1632 1.5333 -.16075E-07 .15199E-02 15 Prefactor 8.5541 5.3519 .92240E-07 .13532E-02 16 Prefactor .67668E-07 13.921 .66909E-09** at limit ** 17 norm 5.2380 1.5503 -.27135E-07 -.14977E-02 18 norm 5.9280 .63037 .58033E-07 .34071E-02 19 norm 6.5132 2.3871 .50883E-07 .15645E-02 20 Prefactor 13.731 8.8020 .59487E-06 .11551 21 Prefactor .14555E-06 80.855 .15799E-05** at limit ** 22 Prefactor .43034E-01 21.445 -.98059E-06** at limit ** 23 Prefactor .38858E-09 8.3803 -.15100E-06** at limit ** 24 Normalizat .90227 .10955 -.35439E-05 .49320E-04 25 Prefactor .93683 .80069E-01 -.92292E-06 .22881E-04 ERR DEF= .500 Final values: Prefactor = 9.60898e-07 Prefactor = 29.7353 Prefactor = 1.27676e-09 Prefactor = 26.5997 Prefactor = 3.05311e-09 Prefactor = 33.0785 Prefactor = 17.1097 norm = 8.81673 Prefactor = 8.20455e-08 Prefactor = 22.8366 norm = 13.4807 norm = 0.129308 Prefactor = 1.47368 Prefactor = 2.16316 Prefactor = 8.55412 Prefactor = 6.76681e-08 norm = 5.23802 norm = 5.92803 norm = 6.51317 Prefactor = 13.731 Prefactor = 1.4555e-07 Prefactor = 0.0430337 Prefactor = 3.88578e-10 Normalizat = 0.902273 Prefactor = 0.936831 ********** ** 18 **HESSE ********** FCN= 23307.87 FROM HESSE STATUS=OK 489 CALLS 2237 TOTAL EDM= .37E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .96090E-06 21.190 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 29.735 24.826 .18495E-03 -1.5599 3 Prefactor .12768E-08 5.8258 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 26.600 19.631 .19391E-03 -1.5605 5 Prefactor .30531E-08 9.8270 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 33.079 17.183 .17441E-03 -1.5593 7 Prefactor 17.110 55.973 .28600E-03 -1.5625 8 norm 8.8167 6.8406 .33741E-03 -1.5649 9 Prefactor .82045E-07 17.131 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 22.837 16.896 .21032E-03 -1.5612 11 norm 13.481 5.1355 .27251E-03 -1.5635 12 norm .12931 .21872 .21019E-02 -1.5701 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 1.4737 2.3332 .88626E-03 -1.5684 14 Prefactor 2.1632 1.5405 .70087E-03 -1.5679 15 Prefactor 8.5541 5.4298 .34285E-03 -1.5649 16 Prefactor .67668E-07 16.875 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 norm 5.2380 1.5521 .43906E-03 -1.5662 18 norm 5.9280 .63105 .41226E-03 -1.5659 19 norm 6.5132 2.4106 .39306E-03 -1.5657 20 Prefactor 13.731 11.238 .27026E-03 -1.5634 21 Prefactor .14555E-06 81.120 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor .43034E-01 .70920 .79868E-02 -1.5704 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .38858E-09 8.2655 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat .90227 .96939E-01 .44960E-01 -.96380 25 Prefactor .93683 .69982E-01 .45464E-01 -.94866 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.65115e-07 Minuit parameter uncertainties: 1 0.00902465 2 24.8263 3 0.000171802 4 19.6314 5 0.000346065 6 17.1834 7 55.9751 8 6.84063 9 0.00237117 10 16.896 11 5.13548 12 0.218719 13 2.33316 14 1.54051 15 5.42981 16 0.0021373 17 1.55209 18 0.631047 19 2.41055 20 11.2377 21 0.00687183 22 0.349397 23 0.000117091 24 0.0969574 25 0.0699885 ********** ** 18 **HESSE ********** FCN= 23307.87 FROM HESSE STATUS=OK 489 CALLS 2237 TOTAL EDM= .37E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .96090E-06 21.190 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 29.735 24.826 .18495E-03 -1.5599 3 Prefactor .12768E-08 5.8258 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 26.600 19.631 .19391E-03 -1.5605 5 Prefactor .30531E-08 9.8270 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 33.079 17.183 .17441E-03 -1.5593 7 Prefactor 17.110 55.973 .28600E-03 -1.5625 8 norm 8.8167 6.8406 .33741E-03 -1.5649 9 Prefactor .82045E-07 17.131 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 22.837 16.896 .21032E-03 -1.5612 11 norm 13.481 5.1355 .27251E-03 -1.5635 12 norm .12931 .21872 .21019E-02 -1.5701 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 1.4737 2.3332 .88626E-03 -1.5684 14 Prefactor 2.1632 1.5405 .70087E-03 -1.5679 15 Prefactor 8.5541 5.4298 .34285E-03 -1.5649 16 Prefactor .67668E-07 16.875 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 norm 5.2380 1.5521 .43906E-03 -1.5662 18 norm 5.9280 .63105 .41226E-03 -1.5659 19 norm 6.5132 2.4106 .39306E-03 -1.5657 20 Prefactor 13.731 11.238 .27026E-03 -1.5634 21 Prefactor .14555E-06 81.120 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor .43034E-01 .70920 .79868E-02 -1.5704 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .38858E-09 8.2655 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat .90227 .96939E-01 .44960E-01 -.96380 25 Prefactor .93683 .69982E-01 .45464E-01 -.94866 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.65115e-07 Minuit parameter uncertainties: 1 0.00902465 2 24.8263 3 0.000171802 4 19.6314 5 0.000346065 6 17.1834 7 55.9751 8 6.84063 9 0.00237117 10 16.896 11 5.13548 12 0.218719 13 2.33316 14 1.54051 15 5.42981 16 0.0021373 17 1.55209 18 0.631047 19 2.41055 20 11.2377 21 0.00687183 22 0.349397 23 0.000117091 24 0.0969574 25 0.0699885 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8710749 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 8.205e-08 2.371e-03 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 6.999e-02 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 9.696e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 249.448 73.441 Photon Flux Upper Limit: 1.29687774774e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.000962355012753 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177610/likelihoodResults_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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) = 23307.8989358 delta logL = -0.0278609063425 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 23307.8710749 delta logL = -3.62706487067e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .14289E-06 1.0000 .0000 .10000E+07 2 'Index ' .59534 1.0000 .0000 10.000 3 'Normalizat' .90227 1.0000 .10000E-01 10.000 4 'Prefactor ' .93683 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 29 CALLS 196 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.1% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 17.725 -.13082E-06** at limit ** 2 Index 1.8187 5.3784 .10361E-04 .0000 3 Normalizat .90227 .10442 -.79989E-06 -.58366E-04 4 Prefactor .93683 .79129E-01 -.58168E-06 -.78359E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.81873 Normalizat = 0.902273 Prefactor = 0.936831 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 23307.87 FROM HESSE STATUS=FAILED 11 CALLS 207 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 18.060 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .34047 1.7418 .10361E-04 -.68963 3 Normalizat .90227 1.2375 -.79989E-06 -.96380 4 Prefactor .93683 1.2798 -.58168E-06 -.94866 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.45393e-13 Minuit parameter uncertainties: 1 5.13869e-06 2 1.58116 3 1.28014 4 1.32502 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) = 23307.8710749 delta logL = 2.39742803387e-09 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 0.000e+00 5.139e-06 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.819e+00 1.581e+00 0.000e+00 1.000e+01 (-1.000e+00) 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 1.325e+00 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 1.280e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 249.448 73.441 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/31177610/cmap_HighResolution_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='9.62e-04', job_status='DONE', photon_flux_upper_limit='1.30e-08', time_completed='2026-07-09 22:22:44.146242', job_id='31177610', GAL2='0.94', fit_tolerance='1e-08', EG2='0.90', EG='0.90', time_epoch_completed='1783660964.15', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.94', dlogl='2.40e-09', ts2='0.00', photon_index_error='0.00', photon_index='1.88' WHERE bin_id='935' AND source_name='4FGL J1637.7+7326' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:22:44 PDT 2026 e GAL_V02 Working on... /lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits....................! real 95.46 user 92.66 sys 1.04 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits', '/lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits', expMap='/lscratch/kocevski/31177834/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', expCube='/lscratch/kocevski/31177834/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177834/Model_4FGL_J1637.7+7326_weekly_bin935.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1637.7+7326' 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 4.118e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177834/ft1_filtered_4FGL_J1637.7+7326_weekly_bin935.fits Spacecraft file(s): /lscratch/kocevski/31177834/ft2_4FGL_J1637.7+7326_weekly_bin935.fits Exposure map: /lscratch/kocevski/31177834/expmap_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits Exposure cube: /lscratch/kocevski/31177834/ltcube_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177834/Model_4FGL_J1637.7+7326_weekly_bin935.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) = 23308.0192005 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8752569 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .48911E-06 1.0000 .0000 .10000E+07 2 'Prefactor ' 29.244 1.0000 .0000 .10000E+07 3 'Prefactor ' .29610E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 26.606 1.0000 .0000 .10000E+07 5 'Prefactor ' .25296E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' 32.883 1.0000 .0000 .10000E+07 7 'Prefactor ' 12.246 1.0000 .0000 .10000E+07 8 'norm ' 8.8122 1.0000 .0000 .10000E+07 9 'Prefactor ' .23989E-04 1.0000 .0000 .10000E+07 10 'Prefactor ' 22.618 1.0000 .0000 .10000E+07 11 'norm ' 13.484 1.0000 .0000 .10000E+07 12 'norm ' .12930 1.0000 .0000 .10000E+07 13 'Prefactor ' 1.4695 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.1586 1.0000 .0000 .10000E+07 15 'Prefactor ' 8.5369 1.0000 .0000 .10000E+07 16 'Prefactor ' .76442E-03 1.0000 .0000 .10000E+07 17 'norm ' 5.2357 1.0000 .0000 .10000E+07 18 'norm ' 5.9263 1.0000 .0000 .10000E+07 19 'norm ' 6.5114 1.0000 .0000 .10000E+07 20 'Prefactor ' 13.710 1.0000 .0000 .10000E+07 21 'Prefactor ' .67706E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' .25912E-01 1.0000 .0000 .10000E+07 23 'Prefactor ' .12524E-04 1.0000 .0000 .10000E+07 24 'Normalizat' .90456 1.0000 .10000E-01 10.000 25 'Prefactor ' .93612 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8710749 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 8.205e-08 2.371e-03 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 6.999e-02 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 9.696e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 249.448 73.441 Photon Flux Upper Limit: 1.29687774774e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.000962355012753 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177757/likelihoodResults_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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) = 23307.8989358 delta logL = -0.0278609063425 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 23307.8710749 delta logL = -3.62706487067e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .14289E-06 1.0000 .0000 .10000E+07 2 'Index ' .59534 1.0000 .0000 10.000 3 'Normalizat' .90227 1.0000 .10000E-01 10.000 4 'Prefactor ' .93683 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 29 CALLS 196 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.1% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 17.725 -.13082E-06** at limit ** 2 Index 1.8187 5.3784 .10361E-04 .0000 3 Normalizat .90227 .10442 -.79989E-06 -.58366E-04 4 Prefactor .93683 .79129E-01 -.58168E-06 -.78359E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.81873 Normalizat = 0.902273 Prefactor = 0.936831 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 23307.87 FROM HESSE STATUS=FAILED 11 CALLS 207 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 18.060 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .34047 1.7418 .10361E-04 -.68963 3 Normalizat .90227 1.2375 -.79989E-06 -.96380 4 Prefactor .93683 1.2798 -.58168E-06 -.94866 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.45393e-13 Minuit parameter uncertainties: 1 5.13869e-06 2 1.58116 3 1.28014 4 1.32502 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) = 23307.8710749 delta logL = 2.39742803387e-09 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 0.000e+00 5.139e-06 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.819e+00 1.581e+00 0.000e+00 1.000e+01 (-1.000e+00) 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 1.325e+00 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 1.280e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 249.448 73.441 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/31177757/cmap_HighResolution_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='9.62e-04', job_status='DONE', photon_flux_upper_limit='1.30e-08', time_completed='2026-07-09 22:23:19.756700', job_id='31177757', GAL2='0.94', fit_tolerance='1e-08', EG2='0.90', EG='0.90', time_epoch_completed='1783660999.76', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.94', dlogl='2.40e-09', ts2='0.00', photon_index_error='0.00', photon_index='1.88' WHERE bin_id='935' AND source_name='4FGL J1637.7+7326' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:23:20 PDT 2026 ** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 220 CALLS 1748 TOTAL EDM= .85E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .96090E-06 15.273 .11167E-05** at limit ** 2 Prefactor 29.735 19.637 .23555E-06 -.76559E-01 3 Prefactor .12768E-08 5.8687 .44700E-06** at limit ** 4 Prefactor 26.600 2.5083 .24304E-07 -.54628E-02 5 Prefactor .30531E-08 9.8218 -.21388E-06** at limit ** 6 Prefactor 33.079 10.429 -.19932E-06 .66030E-01 7 Prefactor 17.110 56.160 .31208E-05 -.19584E-02 8 norm 8.8167 6.8313 -.65702E-07 -.12863E-03 9 Prefactor .82045E-07 10.104 .83413E-06** at limit ** 10 Prefactor 22.837 8.9028 -.23261E-06 .44080E-01 11 norm 13.481 5.1401 -.44128E-08 -.17751E-03 12 norm .12931 .18251 -.27968E-07** at limit ** 13 Prefactor 1.4737 2.2854 -.16945E-06 -.10041E-03 14 Prefactor 2.1632 1.5333 -.16075E-07 .15199E-02 15 Prefactor 8.5541 5.3519 .92240E-07 .13532E-02 16 Prefactor .67668E-07 13.921 .66909E-09** at limit ** 17 norm 5.2380 1.5503 -.27135E-07 -.14977E-02 18 norm 5.9280 .63037 .58033E-07 .34071E-02 19 norm 6.5132 2.3871 .50883E-07 .15645E-02 20 Prefactor 13.731 8.8020 .59487E-06 .11551 21 Prefactor .14555E-06 80.855 .15799E-05** at limit ** 22 Prefactor .43034E-01 21.445 -.98059E-06** at limit ** 23 Prefactor .38858E-09 8.3803 -.15100E-06** at limit ** 24 Normalizat .90227 .10955 -.35439E-05 .49320E-04 25 Prefactor .93683 .80069E-01 -.92292E-06 .22881E-04 ERR DEF= .500 Final values: Prefactor = 9.60898e-07 Prefactor = 29.7353 Prefactor = 1.27676e-09 Prefactor = 26.5997 Prefactor = 3.05311e-09 Prefactor = 33.0785 Prefactor = 17.1097 norm = 8.81673 Prefactor = 8.20455e-08 Prefactor = 22.8366 norm = 13.4807 norm = 0.129308 Prefactor = 1.47368 Prefactor = 2.16316 Prefactor = 8.55412 Prefactor = 6.76681e-08 norm = 5.23802 norm = 5.92803 norm = 6.51317 Prefactor = 13.731 Prefactor = 1.4555e-07 Prefactor = 0.0430337 Prefactor = 3.88578e-10 Normalizat = 0.902273 Prefactor = 0.936831 ********** ** 18 **HESSE ********** FCN= 23307.87 FROM HESSE STATUS=OK 489 CALLS 2237 TOTAL EDM= .37E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .96090E-06 21.190 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 29.735 24.826 .18495E-03 -1.5599 3 Prefactor .12768E-08 5.8258 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 26.600 19.631 .19391E-03 -1.5605 5 Prefactor .30531E-08 9.8270 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 33.079 17.183 .17441E-03 -1.5593 7 Prefactor 17.110 55.973 .28600E-03 -1.5625 8 norm 8.8167 6.8406 .33741E-03 -1.5649 9 Prefactor .82045E-07 17.131 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 22.837 16.896 .21032E-03 -1.5612 11 norm 13.481 5.1355 .27251E-03 -1.5635 12 norm .12931 .21872 .21019E-02 -1.5701 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 1.4737 2.3332 .88626E-03 -1.5684 14 Prefactor 2.1632 1.5405 .70087E-03 -1.5679 15 Prefactor 8.5541 5.4298 .34285E-03 -1.5649 16 Prefactor .67668E-07 16.875 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 norm 5.2380 1.5521 .43906E-03 -1.5662 18 norm 5.9280 .63105 .41226E-03 -1.5659 19 norm 6.5132 2.4106 .39306E-03 -1.5657 20 Prefactor 13.731 11.238 .27026E-03 -1.5634 21 Prefactor .14555E-06 81.120 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor .43034E-01 .70920 .79868E-02 -1.5704 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor .38858E-09 8.2655 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat .90227 .96939E-01 .44960E-01 -.96380 25 Prefactor .93683 .69982E-01 .45464E-01 -.94866 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.65115e-07 Minuit parameter uncertainties: 1 0.00902465 2 24.8263 3 0.000171802 4 19.6314 5 0.000346065 6 17.1834 7 55.9751 8 6.84063 9 0.00237117 10 16.896 11 5.13548 12 0.218719 13 2.33316 14 1.54051 15 5.42981 16 0.0021373 17 1.55209 18 0.631047 19 2.41055 20 11.2377 21 0.00687183 22 0.349397 23 0.000117091 24 0.0969574 25 0.0699885 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23307.8710749 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 8.205e-08 2.371e-03 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.877e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 6.999e-02 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 9.696e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 249.448 73.441 Photon Flux Upper Limit: 1.29687774774e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.000962355012753 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177834/likelihoodResults_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.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) = 23307.8989358 delta logL = -0.0278609063425 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 23307.8710749 delta logL = -3.62706487067e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .14289E-06 1.0000 .0000 .10000E+07 2 'Index ' .59534 1.0000 .0000 10.000 3 'Normalizat' .90227 1.0000 .10000E-01 10.000 4 'Prefactor ' .93683 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6650E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23307.87 FROM MIGRAD STATUS=CONVERGED 29 CALLS 196 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.1% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 17.725 -.13082E-06** at limit ** 2 Index 1.8187 5.3784 .10361E-04 .0000 3 Normalizat .90227 .10442 -.79989E-06 -.58366E-04 4 Prefactor .93683 .79129E-01 -.58168E-06 -.78359E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.81873 Normalizat = 0.902273 Prefactor = 0.936831 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 23307.87 FROM HESSE STATUS=FAILED 11 CALLS 207 TOTAL EDM= .75E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 18.060 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .34047 1.7418 .10361E-04 -.68963 3 Normalizat .90227 1.2375 -.79989E-06 -.96380 4 Prefactor .93683 1.2798 -.58168E-06 -.94866 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.45393e-13 Minuit parameter uncertainties: 1 5.13869e-06 2 1.58116 3 1.28014 4 1.32502 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) = 23307.8710749 delta logL = 2.39742803387e-09 Extracting fit parameters... 4FGL J1637.7+7326 Spectrum: PowerLaw 346 Prefactor: 0.000e+00 5.139e-06 0.000e+00 1.000e+06 ( 1.000e-15) 347 Index: 1.819e+00 1.581e+00 0.000e+00 1.000e+01 (-1.000e+00) 348 Scale: 4.483e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 662 Prefactor: 9.368e-01 1.325e+00 0.000e+00 1.000e+01 ( 1.000e+00) 663 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 664 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 661 Normalization: 9.023e-01 1.280e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 249.448 73.441 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/31177834/cmap_HighResolution_804470401_805075201_4FGL_J1637.7+7326_weekly_bin935.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='9.62e-04', job_status='DONE', photon_flux_upper_limit='1.30e-08', time_completed='2026-07-09 22:28:33.154265', job_id='31177834', GAL2='0.94', fit_tolerance='1e-08', EG2='0.90', EG='0.90', time_epoch_completed='1783661313.15', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.94', dlogl='2.40e-09', ts2='0.00', photon_index_error='0.00', photon_index='1.88' WHERE bin_id='935' AND source_name='4FGL J1637.7+7326' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:28:33 PDT 2026