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). /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 = 74418 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0821.1+1007_monthly_bin220 RA = 125.299, Dec = 10.1287 tmin = 807235201, tmax = 809827201 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='36546107', job_status='RUN', time_executed='2026-08-31 08:08:43.946425', time_epoch_executed='1788188923.95' WHERE source_name='4FGL J0821.1+1007' and cadence='monthly' and bin_id='220' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/36546107 Creating custom pfile directory: /lscratch/kocevski/36546107/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=807235201.0 && nMetStart<809827201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=807235201.0 && nMetStart<809827201.0' /Data/Flight/Level1/LPA Retrieving 460 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/36546107/ft1_4FGL_J0821.1+1007_monthly_bin220.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=807235201.0 && nMetStart<809827201.0' /Data/Flight/Level1/LPA Retrieving 460 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/36546107/ft1_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546107/ft1_filteredMKT_4FGL_J0821.1+1007_monthly_bin220.fits ra=125.299 dec=10.1287 rad=12.0 tmin=807235201.0 tmax=809827201.0 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 23.12 user 21.84 sys 0.73 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.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/36546107/ft1_filteredMKT_4FGL_J0821.1+1007_monthly_bin220.fits evtable="EVENTS" outfile="/lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.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 0.93 user 0.40 sys 0.13 Number of photons that the gtmktime cut: 3618 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits" evtable="EVENTS" scfile=/lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits sctnumber of points = 74418 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0821.1+1007_monthly_bin220 RA = 125.299, Dec = 10.1287 tmin = 807235201, tmax = 809827201 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='36546117', job_status='RUN', time_executed='2026-08-31 08:08:53.992221', time_epoch_executed='1788188933.99' WHERE source_name='4FGL J0821.1+1007' and cadence='monthly' and bin_id='220' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/36546117 Creating custom pfile directory: /lscratch/kocevski/36546117/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=807235201.0 && nMetStart<809827201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=807235201.0 && nMetStart<809827201.0' /Data/Flight/Level1/LPA Retrieving 460 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/36546117/ft1_4FGL_J0821.1+1007_monthly_bin220.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=807235201.0 && nMetStart<809827201.0' /Data/Flight/Level1/LPA Retrieving 460 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/36546117/ft1_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546117/ft1_filteredMKT_4FGL_J0821.1+1007_monthly_bin220.fits ra=125.299 dec=10.1287 rad=12.0 tmin=807235201.0 tmax=809827201.0 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 23.18 user 21.93 sys 0.61 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.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/36546117/ft1_filteredMKT_4FGL_J0821.1+1007_monthly_bin220.fits evtable="EVENTS" outfile="/lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.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 0.87 user 0.40 sys 0.13 Number of photons that the gtmktime cut: 3618 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits" evtable="EVENTS" scfile=/lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits sctable="SC_DATA" outfile=/lscratch/kocevski/36546107/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits .....................! real 88.81 user 87.50 sys 0.29 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits evtable="EVENTS" scfile=/lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits sctable="SC_DATA" expcube=/lscratch/kocevski/36546107/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546107/expmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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/36546107/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits .....................! real 81.10 user 75.19 sys 4.59 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 162 point sources and 0 extended sources Setting source of interest to: 4FGL J0821.1+1007 @ 125.299 10.1287 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits scfile=/lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546107/cmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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=125.299 yref=10.1287 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 0.38 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits scfile=/lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546107/cmap_HighResolution_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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=125.299 yref=10.1287 axisrot=0.0 rafield="RA" decfield="DEC" proj="AIT" hpx_ordering_scheme="RING" hpx_order=3 hpx_ebin=yes hpx_region="" evtable="EVENTS" sctable="SC_DATA" efield="ENERGY" tfield="TIME" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtbin version HEAD real 0.81 user 0.36 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits evtable="EVENTS" scfile=/lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/36546107/Model_4FGL_J0821.1+1007_monthly_bin220.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). addable="SC_DATA" outfile=/lscratch/kocevski/36546117/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits .....................! real 88.61 user 87.32 sys 0.27 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits evtable="EVENTS" scfile=/lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits sctable="SC_DATA" expcube=/lscratch/kocevski/36546117/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546117/expmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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/36546117/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits .....................! real 81.56 user 76.03 sys 4.58 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 162 point sources and 0 extended sources Setting source of interest to: 4FGL J0821.1+1007 @ 125.299 10.1287 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits scfile=/lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546117/cmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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=125.299 yref=10.1287 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 0.95 user 0.37 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits scfile=/lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits outfile=/lscratch/kocevski/36546117/cmap_HighResolution_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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=125.299 yref=10.1287 axisrot=0.0 rafield="RA" decfield="DEC" proj="AIT" hpx_ordering_scheme="RING" hpx_order=3 hpx_ebin=yes hpx_region="" evtable="EVENTS" sctable="SC_DATA" efield="ENERGY" tfield="TIME" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtbin version HEAD real 0.89 user 0.38 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits evtable="EVENTS" scfile=/lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/36546117/Model_4FGL_J0821.1+1007_monthly_bin220.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/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits.....................! real 176.75 user 173.60 sys 1.02 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits', '/lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits', expMap='/lscratch/kocevski/36546107/expmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits', expCube='/lscratch/kocevski/36546107/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/36546107/Model_4FGL_J0821.1+1007_monthly_bin220.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0821.1+1007' 4FGL J0821.1+1007 Spectrum: PowerLaw 295 Prefactor: 1.731e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 296 Index: 2.410e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 297 Scale: 1.155e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/36546107/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits Spacecraft file(s): /lscratch/kocevski/36546107/ft2_4FGL_J0821.1+1007_monthly_bin220.fits Exposure map: /lscratch/kocevski/36546107/expmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits Exposure cube: /lscratch/kocevski/36546107/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/36546107/Model_4FGL_J0821.1+1007_monthly_bin220.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) = 41550.8157054 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 41550.7409051 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .11601E-01 1.0000 .0000 .10000E+07 2 'Prefactor ' 9.7896 1.0000 .0000 .10000E+07 3 'norm ' .37416E-05 1.0000 .0000 .10000E+07 4 'Prefactor ' 23.077 1.0000 .0000 .10000E+07 5 'norm ' .44204E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' .47182E-05 1.0000 .0000 .10000E+07 7 'norm ' .54959 1.0000 .0000 .10000E+07 8 'norm ' .23306E-05 1.0000 .0000 .10000E+07 9 'norm ' 3.3590 1.0000 .0000 .10000E+07 10 'Prefactor ' .69944E-07 1.0000 .0000 .10000E+07 11 'norm ' .71734 1.0000 .0000 .10000E+07 12 'norm ' 1.1954 1.0000 .0000 .10000E+07 13 'Prefactor ' .20048E-01 1.0000 .0000 .10000E+07 14 'norm ' 2.0190 1.0000 .0000 .10000E+07 15 'Normalizat' .94348 1.0000 .10000E-01 10.000 16 'Prefactor ' 1.1080 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5240E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 41550.74 FROM MIGRAD STATUS=CONVERGED 118 CALLS 1136 TOTAL EDM= .29E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .55511E-10 152.22 .78106E-06** at limit ** 2 Prefactor 9.7885 1.6779 .19536E-07 -.11032E-02 3 norm .0000 3.9426 -.33711E-07** at limit ** 4 Prefactor 23.087 5.5961 -.17989E-07 .18591E-03 5 norm .0000 6.8161 .89745E-07** at limit ** 6 Prefactor .0000 3.6860 -.21303E-07** at limit ** 7 norm .55789 6.1414 .36008E-06 -.33275E-03 8 norm .0000 2.1810 -.73082E-07** at limit ** 9 norm 3.3577 1.2543 -.21770E-07 -.37528E-03 10 Prefactor .0000 3.5964 .14431E-06** at limit ** 11 norm .71747 .31435 -.45237E-08 .82970E-03 12 norm 1.1959 2.3199 .60928E-07 -.27418E-03 13 Prefactor .0000 125.51 -.33677E-06** at limit ** 14 norm 2.0181 1.7877 -.61131E-08 .61025E-04 15 Normalizat .94359 .92417E-01 .27995E-06 -.35164E-04 16 Prefactor 1.1079 .71876E-01 -.12369E-06 -.38462E-04 ERR DEF= .500 Final values: Prefactor = 5.55112e-11 Prefactor = 9.78851 norm = 0 Prefactor = 23.0875 norm = 0 Prefactor = 0 norm = 0.55789 norm = 0 norm = 3.35774 Prefactor = 0 norm = 0.717474 norm = 1.19588 Prefactor = 0 norm = 2.01811 Normalizat = 0.943589 Prefactor = 1.10791 ing source EG_v02 adding source GAL_V02 Working on... /lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits.....................! real 176.59 user 172.70 sys 1.34 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits', '/lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits', expMap='/lscratch/kocevski/36546117/expmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits', expCube='/lscratch/kocevski/36546117/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/36546117/Model_4FGL_J0821.1+1007_monthly_bin220.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0821.1+1007' 4FGL J0821.1+1007 Spectrum: PowerLaw 295 Prefactor: 1.731e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 296 Index: 2.410e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 297 Scale: 1.155e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/36546117/ft1_filtered_4FGL_J0821.1+1007_monthly_bin220.fits Spacecraft file(s): /lscratch/kocevski/36546117/ft2_4FGL_J0821.1+1007_monthly_bin220.fits Exposure map: /lscratch/kocevski/36546117/expmap_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits Exposure cube: /lscratch/kocevski/36546117/ltcube_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/36546117/Model_4FGL_J0821.1+1007_monthly_bin220.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) = 41550.8157054 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 41550.7409051 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .11601E-01 1.0000 .0000 .10000E+07 2 'Prefactor ' 9.7896 1.0000 .0000 .10000E+07 3 'norm ' .37416E-05 1.0000 .0000 .10000E+07 4 'Prefactor ' 23.077 1.0000 .0000 .10000E+07 5 'norm ' .44204E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' .47182E-05 1.0000 .0000 .10000E+07 7 'norm ' .54959 1.0000 .0000 .10000E+07 8 'norm ' .23306E-05 1.0000 .0000 .10000E+07 9 'norm ' 3.3590 1.0000 .0000 .10000E+07 10 'Prefactor ' .69944E-07 1.0000 .0000 .10000E+07 11 'norm ' .71734 1.0000 .0000 .10000E+07 12 'norm ' 1.1954 1.0000 .0000 .10000E+07 13 'Prefactor ' .20048E-01 1.0000 .0000 .10000E+07 14 'norm ' 2.0190 1.0000 .0000 .10000E+07 15 'Normalizat' .94348 1.0000 .10000E-01 10.000 16 'Prefactor ' 1.1080 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5240E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 41550.74 FROM MIGRAD STATUS=CONVERGED 118 CALLS 1136 TOTAL EDM= .29E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .55511E-10 152.22 .78106E-06** at limit ** 2 Prefactor 9.7885 1.6779 .19536E-07 -.11032E-02 3 norm .0000 3.9426 -.33711E-07** at limit ** 4 Prefactor 23.087 5.5961 -.17989E-07 .18591E-03 5 norm .0000 6.8161 .89745E-07** at limit ** 6 Prefactor .0000 3.6860 -.21303E-07** at limit ** 7 norm .55789 6.1414 .36008E-06 -.33275E-03 8 norm .0000 2.1810 -.73082E-07** at limit ** 9 norm 3.3577 1.2543 -.21770E-07 -.37528E-03 10 Prefactor .0000 3.5964 .14431E-06** at limit ** 11 norm .71747 .31435 -.45237E-08 .82970E-03 12 norm 1.1959 2.3199 .60928E-07 -.27418E-03 13 Prefactor .0000 125.51 -.33677E-06** at limit ** 14 norm 2.0181 1.7877 -.61131E-08 .61025E-04 15 Normalizat .94359 .92417E-01 .27995E-06 -.35164E-04 16 Prefactor 1.1079 .71876E-01 -.12369E-06 -.38462E-04 ERR DEF= .500 Final values: Prefactor = 5.55112e-11 Prefactor = 9.78851 norm = 0 Prefactor = 23.0875 norm = 0 Prefactor = 0 norm = 0.55789 norm = 0 norm = 3.35774 Prefactor = 0 norm = 0.717474 norm = 1.19588 Prefactor = 0 norm = 2.01811 Normalizat = 0.943589 Prefactor = 1.10791 ********** ** 18 **HESSE ********** FCN= 41550.74 FROM HESSE STATUS=OK 239 CALLS 1375 TOTAL EDM= .14E-04 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .55511E-10 147.63 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 9.7885 1.6789 .32003E-03 -1.5645 3 norm .0000 3.9268 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 23.087 5.5960 .20822E-03 -1.5612 5 norm .0000 6.8477 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 3.6768 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .55789 6.0529 .73870E-03 -1.5693 8 norm .0000 2.1779 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 norm 3.3577 1.2689 .55192E-03 -1.5671 10 Prefactor .0000 3.5829 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .71747 .31782 .59312E-03 -1.5691 12 norm 1.1959 2.3396 .10397E-02 -1.5686 13 Prefactor .0000 3.8912 .17034E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 2.0181 1.7786 .72808E-03 -1.5680 15 Normalizat .94359 .79375E-01 .66668E-01 -.94945 16 Prefactor 1.1079 .60854E-01 .37291E-01 -.89214 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.43935e-05 Minuit parameter uncertainties: 1 0.000201441 2 1.67887 3 4.59151e-07 4 5.59602 5 5.70604e-06 6 7.05602e-07 7 3.67524 8 2.20049e-06 9 1.26893 10 5.22924e-06 11 0.317824 12 2.33963 13 1.15871e-05 14 1.77861 15 0.0793849 16 0.0608575 ********** ** 18 **HESSE ********** FCN= 41550.74 FROM HESSE STATUS=OK 239 CALLS 1375 TOTAL EDM= .14E-04 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .55511E-10 147.63 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 9.7885 1.6789 .32003E-03 -1.5645 3 norm .0000 3.9268 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 23.087 5.5960 .20822E-03 -1.5612 5 norm .0000 6.8477 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 3.6768 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .55789 6.0529 .73870E-03 -1.5693 8 norm .0000 2.1779 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 norm 3.3577 1.2689 .55192E-03 -1.5671 10 Prefactor .0000 3.5829 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .71747 .31782 .59312E-03 -1.5691 12 norm 1.1959 2.3396 .10397E-02 -1.5686 13 Prefactor .0000 3.8912 .17034E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 2.0181 1.7786 .72808E-03 -1.5680 15 Normalizat .94359 .79375E-01 .66668E-01 -.94945 16 Prefactor 1.1079 .60854E-01 .37291E-01 -.89214 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.43935e-05 Minuit parameter uncertainties: 1 0.000201441 2 1.67887 3 4.59151e-07 4 5.59602 5 5.70604e-06 6 7.05602e-07 7 3.67524 8 2.20049e-06 9 1.26893 10 5.22924e-06 11 0.317824 12 2.33963 13 1.15871e-05 14 1.77861 15 0.0793849 16 0.0608575 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 41550.7407786 Extracting fit parameters... 4FGL J0821.1+1007 Spectrum: PowerLaw 295 Prefactor: 0.000e+00 5.229e-06 0.000e+00 1.000e+06 ( 1.000e-13) 296 Index: 2.410e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 297 Scale: 1.155e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 521 Prefactor: 1.108e+00 6.086e-02 0.000e+00 1.000e+01 ( 1.000e+00) 522 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 523 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 520 Normalization: 9.436e-01 7.938e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.00 Ra Dec: 125.299 10.129 Photon Flux Upper Limit: 2.44219155944e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00188843048362 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/36546107/likelihoodResults_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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) = 41550.7415462 delta logL = -0.000767671415815 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 41550.7407856 delta logL = -7.04517151462e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .41439E-04 1.0000 .0000 .10000E+07 2 'Index ' 2.0206 1.0000 .0000 10.000 3 'Normalizat' .94362 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1079 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5240E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 41550.74 FROM MIGRAD STATUS=CONVERGED 63 CALLS 262 TOTAL EDM= .69E-11 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .19984E-08 .42652E-01 .42118E-03** at limit ** 2 Index 2.4768 5.7674 .50000 .18190E-09 3 Normalizat .94359 .21031E-03 .66668E-01 .18942E-02 4 Prefactor 1.1079 .16494E-03 .37294E-01 .19237E-02 ERR DEF= .500 Final values: Prefactor = 1.9984e-09 Index = 2.47684 Normalizat = 0.943591 Prefactor = 1.10791 ********** ** 18 **HESSE ********** FCN= 41550.74 FROM HESSE STATUS=NOT POSDEF 31 CALLS 293 TOTAL EDM= .44E-10 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .19984E-08 .27169 .84235E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.4768 5.8096 .50000 -.52896 3 Normalizat .94359 .52838E-03 .29490E-03 -.94945 4 Prefactor 1.1079 .41495E-03 .21426E-03 -.89214 ERR DEF= .500 Minuit fit quality: 2 estimated distance: 4.40409e-11 Minuit parameter uncertainties: 1 4.66502e-05 2 3226.07 3 0.000528382 4 0.000414952 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 41550.7407786 delta logL = -6.40284270048e-10 Extracting fit parameters... 4FGL J0821.1+1007 Spectrum: PowerLaw 295 Prefactor: 1.998e-09 4.665e-05 0.000e+00 1.000e+06 ( 1.000e-13) 296 Index: 2.477e+00 3.226e+03 0.000e+00 1.000e+01 (-1.000e+00) 297 Scale: 1.155e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 521 Prefactor: 1.108e+00 4.150e-04 0.000e+00 1.000e+01 ( 1.000e+00) 522 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 523 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 520 Normalization: 9.436e-01 5.284e-04 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.00 Ra Dec: 125.299 10.129 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/36546107/cmap_HighResolution_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.89e-03', job_status='DONE', photon_flux_upper_limit='2.44e-08', time_completed='2026-08-31 08:26:47.209366', job_id='36546107', GAL2='1.11', fit_tolerance='1e-08', EG2='0.94', EG='0.94', time_epoch_completed='1788190007.21', return_code2='102', ts='0.00', comment='SUCCESS', return_code='0', GAL='1.11', dlogl='-6.40e-10', ts2='-0.00', photon_index_error='0.00', photon_index='2.41' WHERE bin_id='220' AND source_name='4FGL J0821.1+1007' AND cadence='monthly'; Database successfully updated. Analysis Complete. Mon Aug 31 08:26:47 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 41550.7407786 Extracting fit parameters... 4FGL J0821.1+1007 Spectrum: PowerLaw 295 Prefactor: 0.000e+00 5.229e-06 0.000e+00 1.000e+06 ( 1.000e-13) 296 Index: 2.410e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 297 Scale: 1.155e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 521 Prefactor: 1.108e+00 6.086e-02 0.000e+00 1.000e+01 ( 1.000e+00) 522 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 523 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 520 Normalization: 9.436e-01 7.938e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.00 Ra Dec: 125.299 10.129 Photon Flux Upper Limit: 2.44219155944e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00188843048362 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/36546117/likelihoodResults_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.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) = 41550.7415462 delta logL = -0.000767671415815 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 41550.7407856 delta logL = -7.04517151462e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .41439E-04 1.0000 .0000 .10000E+07 2 'Index ' 2.0206 1.0000 .0000 10.000 3 'Normalizat' .94362 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1079 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5240E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 41550.74 FROM MIGRAD STATUS=CONVERGED 63 CALLS 262 TOTAL EDM= .69E-11 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .19984E-08 .42652E-01 .42118E-03** at limit ** 2 Index 2.4768 5.7674 .50000 .18190E-09 3 Normalizat .94359 .21031E-03 .66668E-01 .18942E-02 4 Prefactor 1.1079 .16494E-03 .37294E-01 .19237E-02 ERR DEF= .500 Final values: Prefactor = 1.9984e-09 Index = 2.47684 Normalizat = 0.943591 Prefactor = 1.10791 ********** ** 18 **HESSE ********** FCN= 41550.74 FROM HESSE STATUS=NOT POSDEF 31 CALLS 293 TOTAL EDM= .44E-10 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .19984E-08 .27169 .84235E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.4768 5.8096 .50000 -.52896 3 Normalizat .94359 .52838E-03 .29490E-03 -.94945 4 Prefactor 1.1079 .41495E-03 .21426E-03 -.89214 ERR DEF= .500 Minuit fit quality: 2 estimated distance: 4.40409e-11 Minuit parameter uncertainties: 1 4.66502e-05 2 3226.07 3 0.000528382 4 0.000414952 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 41550.7407786 delta logL = -6.40284270048e-10 Extracting fit parameters... 4FGL J0821.1+1007 Spectrum: PowerLaw 295 Prefactor: 1.998e-09 4.665e-05 0.000e+00 1.000e+06 ( 1.000e-13) 296 Index: 2.477e+00 3.226e+03 0.000e+00 1.000e+01 (-1.000e+00) 297 Scale: 1.155e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 521 Prefactor: 1.108e+00 4.150e-04 0.000e+00 1.000e+01 ( 1.000e+00) 522 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 523 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 520 Normalization: 9.436e-01 5.284e-04 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.00 Ra Dec: 125.299 10.129 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/36546117/cmap_HighResolution_807235201_809827201_4FGL_J0821.1+1007_monthly_bin220.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.89e-03', job_status='DONE', photon_flux_upper_limit='2.44e-08', time_completed='2026-08-31 08:26:55.988003', job_id='36546117', GAL2='1.11', fit_tolerance='1e-08', EG2='0.94', EG='0.94', time_epoch_completed='1788190015.99', return_code2='102', ts='0.00', comment='SUCCESS', return_code='0', GAL='1.11', dlogl='-6.40e-10', ts2='-0.00', photon_index_error='0.00', photon_index='2.41' WHERE bin_id='220' AND source_name='4FGL J0821.1+1007' AND cadence='monthly'; Database successfully updated. Analysis Complete. Mon Aug 31 08:26:56 PDT 2026