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 = 17392 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1821.6+6636_weekly_bin936 RA = 275.414, Dec = 66.6093 tmin = 805075201, tmax = 805680001 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='31675097', job_status='RUN', time_executed='2026-07-14 15:19:29.614530', time_epoch_executed='1784067569.61' WHERE source_name='4FGL J1821.6+6636' and cadence='weekly' and bin_id='936' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31675097 Creating custom pfile directory: /lscratch/kocevski/31675097/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31675097/ft1_4FGL_J1821.6+6636_weekly_bin936.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31675097/ft1_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31675097/ft1_filteredMKT_4FGL_J1821.6+6636_weekly_bin936.fits ra=275.414 dec=66.6093 rad=12.0 tmin=805075201.0 tmax=805680001.0 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 5.44 user 4.30 sys 0.26 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.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/31675097/ft1_filteredMKT_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" outfile="/lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.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 0.23 sys 0.13 Number of photons that the gtmktime cut: 2767 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" outfile=/lscratch/kocevski/31675097/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits .....................! real 19.13 user 17.91 sys 0.27 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" scfile=/lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31675097/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31675097/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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/31675097/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits .....................! real 69.27 user 64.34 sys 3.93 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 185 point sources and 0 extended sources Setting source of interest to: 4FGL J1821.6+6636 @ 275.414 66.6093 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits scfile=/lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31675097/cmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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=275.414 yref=66.6093 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 1.21 user 0.25 sys 0.15 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits scfile=/lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31675097/cmap_HighResolution_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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=275.414 yref=66.6093 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 0.25 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" scfile=/lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31675097/Model_4FGL_J1821.6+6636_weekly_bin936.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 = 17392 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1821.6+6636_weekly_bin936 RA = 275.414, Dec = 66.6093 tmin = 805075201, tmax = 805680001 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='31676098', job_status='RUN', time_executed='2026-07-14 15:25:22.673330', time_epoch_executed='1784067922.67' WHERE source_name='4FGL J1821.6+6636' and cadence='weekly' and bin_id='936' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31676098 Creating custom pfile directory: /lscratch/kocevski/31676098/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31676098/ft1_4FGL_J1821.6+6636_weekly_bin936.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31676098/ft1_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676098/ft1_filteredMKT_4FGL_J1821.6+6636_weekly_bin936.fits ra=275.414 dec=66.6093 rad=12.0 tmin=805075201.0 tmax=805680001.0 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 4.89 user 4.07 sys 0.23 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.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/31676098/ft1_filteredMKT_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" outfile="/lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.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 0.88 user 0.19 sys 0.14 Number of photons that the gtmktime cut: 2767 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA"number of points = 17392 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1821.6+6636_weekly_bin936 RA = 275.414, Dec = 66.6093 tmin = 805075201, tmax = 805680001 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='31676080', job_status='RUN', time_executed='2026-07-14 15:24:53.652526', time_epoch_executed='1784067893.65' WHERE source_name='4FGL J1821.6+6636' and cadence='weekly' and bin_id='936' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31676080 Creating custom pfile directory: /lscratch/kocevski/31676080/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31676080/ft1_4FGL_J1821.6+6636_weekly_bin936.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805075201.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31676080/ft1_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676080/ft1_filteredMKT_4FGL_J1821.6+6636_weekly_bin936.fits ra=275.414 dec=66.6093 rad=12.0 tmin=805075201.0 tmax=805680001.0 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 4.82 user 3.81 sys 0.31 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.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/31676080/ft1_filteredMKT_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" outfile="/lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.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 1.10 user 0.20 sys 0.12 Number of photons that the gtmktime cut: 2767 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" outfile=/lscratch/kocevski/31676098/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits .....................! real 16.55 user 15.82 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" scfile=/lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31676098/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676098/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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/31676098/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits .....................! real 62.83 user 58.35 sys 3.65 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 185 point sources and 0 extended sources Setting source of interest to: 4FGL J1821.6+6636 @ 275.414 66.6093 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits scfile=/lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676098/cmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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=275.414 yref=66.6093 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 1.02 user 0.23 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits scfile=/lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676098/cmap_HighResolution_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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=275.414 yref=66.6093 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 1.09 user 0.23 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" scfile=/lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31676098/Model_4FGL_J1821.6+6636_weekly_bin936.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 outfile=/lscratch/kocevski/31676080/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits .....................! real 16.11 user 15.14 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" scfile=/lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31676080/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676080/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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/31676080/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits .....................! real 59.92 user 55.56 sys 3.49 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 185 point sources and 0 extended sources Setting source of interest to: 4FGL J1821.6+6636 @ 275.414 66.6093 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits scfile=/lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676080/cmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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=275.414 yref=66.6093 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 1.07 user 0.20 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits scfile=/lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits outfile=/lscratch/kocevski/31676080/cmap_HighResolution_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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=275.414 yref=66.6093 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 1.00 user 0.21 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits evtable="EVENTS" scfile=/lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31676080/Model_4FGL_J1821.6+6636_weekly_bin936.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/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits.....................! real 114.02 user 111.05 sys 1.46 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits', '/lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits', expMap='/lscratch/kocevski/31675097/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits', expCube='/lscratch/kocevski/31675097/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31675097/Model_4FGL_J1821.6+6636_weekly_bin936.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1821.6+6636' 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 6.650e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.833e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31675097/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits Spacecraft file(s): /lscratch/kocevski/31675097/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Exposure map: /lscratch/kocevski/31675097/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits Exposure cube: /lscratch/kocevski/31675097/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31675097/Model_4FGL_J1821.6+6636_weekly_bin936.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) = 27988.6016342 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 27988.5679927 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .10265E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' .29705E-04 1.0000 .0000 .10000E+07 3 'norm ' .39162E-03 1.0000 .0000 .10000E+07 4 'Prefactor ' .28923E-03 1.0000 .0000 .10000E+07 5 'norm ' .79240E-01 1.0000 .0000 .10000E+07 6 'Prefactor ' .25577E-03 1.0000 .0000 .10000E+07 7 'Prefactor ' .22440E-05 1.0000 .0000 .10000E+07 8 'Prefactor ' 12.612 1.0000 .0000 .10000E+07 9 'Prefactor ' .22348E-02 1.0000 .0000 .10000E+07 10 'Prefactor ' .11581E-03 1.0000 .0000 .10000E+07 11 'Prefactor ' 2.9301 1.0000 .0000 .10000E+07 12 'Prefactor ' .36306E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' .14562E-03 1.0000 .0000 .10000E+07 14 'norm ' 4.0088 1.0000 .0000 .10000E+07 15 'norm ' 7.1954 1.0000 .0000 .10000E+07 16 'norm ' 5.8671 1.0000 .0000 .10000E+07 17 'Prefactor ' .93886E-04 1.0000 .0000 .10000E+07 18 'Prefactor ' .18833E-02 1.0000 .0000 .10000E+07 19 'Prefactor ' .84588E-06 1.0000 .0000 .10000E+07 20 'norm ' 1.1013 1.0000 .0000 .10000E+07 21 'Prefactor ' .78369E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' 7.7037 1.0000 .0000 .10000E+07 23 'Prefactor ' 2.1252 1.0000 .0000 .10000E+07 24 'norm ' .97637 1.0000 .0000 .10000E+07 25 'norm ' 3.0733 1.0000 .0000 .10000E+07 26 'norm ' .0000 1.0000 .0000 .10000E+07 27 'norm ' 6.3680 1.0000 .0000 .10000E+07 28 'Prefactor ' .42072E-05 1.0000 .0000 .10000E+07 29 'Prefactor ' .26527E-02 1.0000 .0000 .10000E+07 30 'norm ' 1.7548 1.0000 .0000 .10000E+07 31 'norm ' 30.600 1.0000 .0000 .10000E+07 32 'norm ' 6.8150 1.0000 .0000 .10000E+07 33 'Prefactor ' 42.910 1.0000 .0000 .10000E+07 34 'norm ' 1.2123 1.0000 .0000 .10000E+07 35 'Normalizat' 1.3777 1.0000 .10000E-01 10.000 36 'Prefactor ' .87752 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6130E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 27988.57 FROM MIGRAD STATUS=CONVERGED 199 CALLS 3018 TOTAL EDM= .49E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 3.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .81879E-07 56.296 -.22775E-05** at limit ** 2 Prefactor .16098E-08 4.3313 .20994E-05** at limit ** 3 norm .58287E-08 6.0034 .86510E-06** at limit ** 4 Prefactor .88818E-09 3.8893 .52446E-06** at limit ** 5 norm .79093E-01 .25418 .88597E-07** at limit ** 6 Prefactor .19712E-06 2.2590 .26459E-06** at limit ** 7 Prefactor .0000 1.2117 .18966E-06** at limit ** 8 Prefactor 12.608 7.6225 .44105E-06 .57843E-02 9 Prefactor .49261E-06 5.7826 -.11251E-05** at limit ** 10 Prefactor .19301E-06 7.3341 .14338E-06** at limit ** 11 Prefactor 2.9159 2.5297 .20156E-06 .12538E-03 12 Prefactor .84932E-08 10.158 .36096E-05** at limit ** 13 Prefactor .26756E-06 31.527 .40469E-05** at limit ** 14 norm 4.0092 1.8124 -.12702E-06 .56612E-02 15 norm 7.1959 .94744 .25664E-07 .29617E-02 16 norm 5.8658 2.6336 .26894E-06 .24298E-02 17 Prefactor .77716E-09 4.5078 -.26617E-05** at limit ** 18 Prefactor .11523E-05 6.9909 .10772E-05** at limit ** 19 Prefactor .0000 1.6271 -.10429E-06** at limit ** 20 norm 1.1064 3.5622 .56992E-06 -.64716E-03 21 Prefactor .11255E-05 12.021 -.16226E-05** at limit ** 22 Prefactor 7.6986 3.1079 .92986E-06 .35018E-01 23 Prefactor 2.0900 1.3230 -.16478E-06 .49765E-03 24 norm .98153 1.3756 -.32935E-07 -.35584E-02 25 norm 3.0734 1.6982 .20131E-06 .91083E-03 26 norm .11102E-09 2.7776 .15220E-06** at limit ** 27 norm 6.3785 7.3493 .16053E-06 .18290E-02 28 Prefactor .16653E-09 3.1322 .14671E-06** at limit ** 29 Prefactor .84460E-06 1.9260 .39895E-06** at limit ** 30 norm 1.7560 .83136 -.27926E-07 .22350E-03 31 norm 30.599 1.0038 .33406E-08 -.62552E-04 32 norm 6.8368 2.4827 -.75447E-06 -.28020E-02 33 Prefactor 42.793 1.3631 .91229E-08 .69750E-02 34 norm 1.2124 1.4907 -.13960E-06 -.17745E-02 35 Normalizat 1.3777 .12382 -.54384E-05 -.42413E-04 36 Prefactor .87759 .67587E-01 -.51694E-06 -.17734E-03 ERR DEF= .500 Final values: Prefactor = 8.18789e-08 Prefactor = 1.60982e-09 norm = 5.82867e-09 Prefactor = 8.88178e-10 norm = 0.0790932 Prefactor = 1.9712e-07 Prefactor = 0 Prefactor = 12.6085 Prefactor = 4.92606e-07 Prefactor = 1.93012e-07 Prefactor = 2.91594 Prefactor = 8.49321e-09 Prefactor = 2.67564e-07 norm = 4.0092 norm = 7.19587 norm = 5.86576 Prefactor = 7.77156e-10 Prefactor = 1.1523e-06 Prefactor = 0 norm = 1.1064 Prefactor = 1.12549e-06 Prefactor = 7.69858 Prefactor = 2.09 norm = 0.981526 norm = 3.07343 norm = 1.11022e-10 norm = 6.37849 Prefactor = 1.66533e-10 Prefactor = 8.44602e-07 norm = 1.75598 norm = 30.599 norm = 6.83683 Prefactor = 42.7932 norm = 1.21235 Normalizat = 1.37766 Prefactor = 0.877593 ********** ** 18 **HESSE ********** FCN= 27988.57 FROM HESSE STATUS=OK 911 CALLS 3929 TOTAL EDM= .98E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .81879E-07 56.726 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .16098E-08 4.7195 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm .58287E-08 5.9902 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .88818E-09 3.9034 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .79093E-01 .19876 .21688E-02 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .19712E-06 1.9151 .64822E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .0000 1.2046 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 12.608 7.8339 .28180E-03 -1.5637 9 Prefactor .49261E-06 1.2416 .61225E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .19301E-06 11.045 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 2.9159 2.5381 .59316E-03 -1.5674 12 Prefactor .84932E-08 13.912 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .26756E-06 32.945 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 4.0092 1.8216 .50345E-03 -1.5668 15 norm 7.1959 .94996 .37371E-03 -1.5654 16 norm 5.8658 2.6448 .41437E-03 -1.5660 17 Prefactor .77716E-09 4.8779 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .11523E-05 16.483 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor .0000 1.6191 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 1.1064 3.5798 .11313E-02 -1.5687 21 Prefactor .11255E-05 19.914 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor 7.6986 9.3179 .36105E-03 -1.5652 23 Prefactor 2.0900 163.62 .70707E-03 -1.5679 24 norm .98153 1.5073 .42927E-03 -1.5688 25 norm 3.0734 1.6976 .57834E-03 -1.5673 26 norm .11102E-09 2.7395 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 6.3785 7.3812 .39751E-03 -1.5657 28 Prefactor .16653E-09 3.1392 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Prefactor .84460E-06 1.5766 .54070E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 30 norm 1.7560 .88581 .79098E-03 -1.5681 31 norm 30.599 18.974 .18080E-03 -1.5597 32 norm 6.8368 10.627 .38410E-03 -1.5656 33 Prefactor 42.793 16.137 .15267E-03 -1.5577 34 norm 1.2124 1.5403 .10266E-02 -1.5686 35 Normalizat 1.3777 .11353 .72329E-01 -.81277 36 Prefactor .87759 .61406E-01 .44718E-01 -.96929 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.7949e-06 Minuit parameter uncertainties: 1 0.00431023 2 0.000175388 3 0.000374122 4 0.000117065 5 0.198763 6 0.00122875 7 3.97157e-06 8 7.83391 9 0.00156412 10 0.0029201 11 2.53809 12 0.000687108 13 0.00593781 14 1.82155 15 0.949957 16 2.64484 17 0.000125132 18 0.00871637 19 1.30821e-05 20 3.57984 21 0.00946859 22 9.31795 23 36.9862 24 1.50725 25 1.69758 26 3.34358e-05 27 7.38126 28 4.84114e-05 29 0.00230793 30 0.885813 31 18.9744 32 10.6271 33 16.1372 34 1.54028 35 0.113556 36 0.0614113 e GAL_V02 Working on... /lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits.....................! real 97.96 user 96.01 sys 0.90 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits', '/lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits', expMap='/lscratch/kocevski/31676080/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits', expCube='/lscratch/kocevski/31676080/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31676080/Model_4FGL_J1821.6+6636_weekly_bin936.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1821.6+6636' 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 6.650e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.833e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31676080/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits Spacecraft file(s): /lscratch/kocevski/31676080/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Exposure map: /lscratch/kocevski/31676080/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits Exposure cube: /lscratch/kocevski/31676080/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31676080/Model_4FGL_J1821.6+6636_weekly_bin936.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) = 27988.6016342 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 27988.5679927 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .10265E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' .29705E-04 1.0000 .0000 .10000E+07 3 'norm ' .39162E-03 1.0000 .0000 .10000E+07 4 'Prefactor ' .28923E-03 1.0000 .0000 .10000E+07 5 'norm ' .79240E-01 1.0000 .0000 .10000E+07 6 'Prefactor ' .25577E-03 1.0000 .0000 .10000E+07 7 'Prefactor ' .22440E-05 1.0000 .0000 .10000E+07 8 'Prefactor ' 12.612 1.0000 .0000 .10000E+07 9 'Prefactor ' .22348E-02 1.0000 .0000 .10000E+07 10 'Prefactor ' .11581E-03 1.0000 .0000 .10000E+07 11 'Prefactor ' 2.9301 1.0000 .0000 .10000E+07 12 'Prefactor ' .36306E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' .14562E-03 1.0000 .0000 .10000E+07 14 'norm ' 4.0088 1.0000 .0000 .10000E+07 15 'norm ' 7.1954 1.0000 .0000 .10000E+07 16 'norm ' 5.8671 1.0000 .0000 .10000E+07 17 'Prefactor ' .93886E-04 1.0000 .0000 .10000E+07 18 'Prefactor ' .18833E-02 1.0000 .0000 .10000E+07 19 'Prefactor ' .84588E-06 1.0000 .0000 .10000E+07 20 'norm ' 1.1013 1.0000 .0000 .10000E+07 21 'Prefactor ' .78369E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' 7.7037 1.0000 .0000 .10000E+07 23 'Prefactor ' 2.1252 1.0000 .0000 .10000E+07 24 'norm ' .97637 1.0000 .0000 .10000E+07 25 'norm ' 3.0733 1.0000 .0000 .10000E+07 26 'norm ' .0000 1.0000 .0000 .10000E+07 27 'norm ' 6.3680 1.0000 e GAL_V02 Working on... /lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits.....................! real 104.41 user 102.63 sys 0.66 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits', '/lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits', expMap='/lscratch/kocevski/31676098/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits', expCube='/lscratch/kocevski/31676098/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31676098/Model_4FGL_J1821.6+6636_weekly_bin936.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1821.6+6636' 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 6.650e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.833e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31676098/ft1_filtered_4FGL_J1821.6+6636_weekly_bin936.fits Spacecraft file(s): /lscratch/kocevski/31676098/ft2_4FGL_J1821.6+6636_weekly_bin936.fits Exposure map: /lscratch/kocevski/31676098/expmap_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits Exposure cube: /lscratch/kocevski/31676098/ltcube_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31676098/Model_4FGL_J1821.6+6636_weekly_bin936.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) = 27988.6016342 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 27988.5679927 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .10265E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' .29705E-04 1.0000 .0000 .10000E+07 3 'norm ' .39162E-03 1.0000 .0000 .10000E+07 4 'Prefactor ' .28923E-03 1.0000 .0000 .10000E+07 5 'norm ' .79240E-01 1.0000 .0000 .10000E+07 6 'Prefactor ' .25577E-03 1.0000 .0000 .10000E+07 7 'Prefactor ' .22440E-05 1.0000 .0000 .10000E+07 8 'Prefactor ' 12.612 1.0000 .0000 .10000E+07 9 'Prefactor ' .22348E-02 1.0000 .0000 .10000E+07 10 'Prefactor ' .11581E-03 1.0000 .0000 .10000E+07 11 'Prefactor ' 2.9301 1.0000 .0000 .10000E+07 12 'Prefactor ' .36306E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' .14562E-03 1.0000 .0000 .10000E+07 14 'norm ' 4.0088 1.0000 .0000 .10000E+07 15 'norm ' 7.1954 1.0000 .0000 .10000E+07 16 'norm ' 5.8671 1.0000 .0000 .10000E+07 17 'Prefactor ' .93886E-04 1.0000 .0000 .10000E+07 18 'Prefactor ' .18833E-02 1.0000 .0000 .10000E+07 19 'Prefactor ' .84588E-06 1.0000 .0000 .10000E+07 20 'norm ' 1.1013 1.0000 .0000 .10000E+07 21 'Prefactor ' .78369E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' 7.7037 1.0000 .0000 .10000E+07 23 'Prefactor ' 2.1252 1.0000 .0000 .10000E+07 24 'norm ' .97637 1.0000 .0000 .10000E+07 25 'norm ' 3.0733 1.0000 .0000 .10000E+07 26 'norm ' .0000 1.0000 .0000 .10000E+07 27 'norm ' 6.3680 1.0000 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 27988.5676132 Extracting fit parameters... 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 1.152e-06 8.716e-03 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.833e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 610 Prefactor: 8.776e-01 6.141e-02 0.000e+00 1.000e+01 ( 1.000e+00) 611 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 612 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 609 Normalization: 1.378e+00 1.136e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 275.414 66.609 Photon Flux Upper Limit: 1.29753343199e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.000958994936044 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31675097/likelihoodResults_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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): 102 logL (Free Index) = 27988.5965506 delta logL = -0.0289374788845 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 27988.5676132 delta logL = -6.05978129897e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .49710E-06 1.0000 .0000 .10000E+07 2 'Index ' .10505 1.0000 .0000 10.000 3 'Normalizat' 1.3776 1.0000 .10000E-01 10.000 4 'Prefactor ' .87762 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6130E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 27988.57 FROM MIGRAD STATUS=CONVERGED 37 CALLS 209 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.3% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 19.004 .18981E-06** at limit ** 2 Index .81289 6.5501 .17437E-04 .0000 3 Normalizat 1.3777 .11895 .21582E-05 -.65807E-04 4 Prefactor .87759 .65605E-01 -.30162E-05 -.11263E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.812891 Normalizat = 1.37766 Prefactor = 0.877593 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 27988.57 FROM HESSE STATUS=FAILED 11 CALLS 220 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 19.427 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .11640E-01 1.0380 .17437E-04 -.99255 3 Normalizat 1.3777 1.0653 .21582E-05 -.81277 4 Prefactor .87759 1.2235 -.30162E-05 -.96929 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.44051e-12 Minuit parameter uncertainties: 1 2.24146e-05 2 0.923394 3 1.08317 4 1.2653 .0000 .10000E+07 28 'Prefactor ' .42072E-05 1.0000 .0000 .10000E+07 29 'Prefactor ' .26527E-02 1.0000 .0000 .10000E+07 30 'norm ' 1.7548 1.0000 .0000 .10000E+07 31 'norm ' 30.600 1.0000 .0000 .10000E+07 32 'norm ' 6.8150 1.0000 .0000 .10000E+07 33 'Prefactor ' 42.910 1.0000 .0000 .10000E+07 34 'norm ' 1.2123 1.0000 .0000 .10000E+07 35 'Normalizat' 1.3777 1.0000 .10000E-01 10.000 36 'Prefactor ' .87752 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6130E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 27988.57 FROM MIGRAD STATUS=CONVERGED 199 CALLS 3018 TOTAL EDM= .49E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 3.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .81879E-07 56.296 -.22775E-05** at limit ** 2 Prefactor .16098E-08 4.3313 .20994E-05** at limit ** 3 norm .58287E-08 6.0034 .86510E-06** at limit ** 4 Prefactor .88818E-09 3.8893 .52446E-06** at limit ** 5 norm .79093E-01 .25418 .88597E-07** at limit ** 6 Prefactor .19712E-06 2.2590 .26459E-06** at limit ** 7 Prefactor .0000 1.2117 .18966E-06** at limit ** 8 Prefactor 12.608 7.6225 .44105E-06 .57843E-02 9 Prefactor .49261E-06 5.7826 -.11251E-05** at limit ** 10 Prefactor .19301E-06 7.3341 .14338E-06** at limit ** 11 Prefactor 2.9159 2.5297 .20156E-06 .12538E-03 12 Prefactor .84932E-08 10.158 .36096E-05** at limit ** 13 Prefactor .26756E-06 31.527 .40469E-05** at limit ** 14 norm 4.0092 1.8124 -.12702E-06 .56612E-02 15 norm 7.1959 .94744 .25664E-07 .29617E-02 16 norm 5.8658 2.6336 .26894E-06 .24298E-02 17 Prefactor .77716E-09 4.5078 -.26617E-05** at limit ** 18 Prefactor .11523E-05 6.9909 .10772E-05** at limit ** 19 Prefactor .0000 1.6271 -.10429E-06** at limit ** 20 norm 1.1064 3.5622 .56992E-06 -.64716E-03 21 Prefactor .11255E-05 12.021 -.16226E-05** at limit ** 22 Prefactor 7.6986 3.1079 .92986E-06 .35018E-01 23 Prefactor 2.0900 1.3230 -.16478E-06 .49765E-03 24 norm .98153 1.3756 -.32935E-07 -.35584E-02 25 norm 3.0734 1.6982 .20131E-06 .91083E-03 26 norm .11102E-09 2.7776 .15220E-06** at limit ** 27 norm 6.3785 7.3493 .16053E-06 .18290E-02 28 Prefactor .16653E-09 3.1322 .14671E-06** at limit ** 29 Prefactor .84460E-06 1.9260 .39895E-06** at limit ** 30 norm 1.7560 .83136 -.27926E-07 .22350E-03 31 norm 30.599 1.0038 .33406E-08 -.62552E-04 32 norm 6.8368 2.4827 -.75447E-06 -.28020E-02 33 Prefactor 42.793 1.3631 .91229E-08 .69750E-02 34 norm 1.2124 1.4907 -.13960E-06 -.17745E-02 35 Normalizat 1.3777 .12382 -.54384E-05 -.42413E-04 36 Prefactor .87759 .67587E-01 -.51694E-06 -.17734E-03 ERR DEF= .500 Final values: Prefactor = 8.18789e-08 Prefactor = 1.60982e-09 norm = 5.82867e-09 Prefactor = 8.88178e-10 norm = 0.0790932 Prefactor = 1.9712e-07 Prefactor = 0 Prefactor = 12.6085 Prefactor = 4.92606e-07 Prefactor = 1.93012e-07 Prefactor = 2.91594 Prefactor = 8.49321e-09 Prefactor = 2.67564e-07 norm = 4.0092 norm = 7.19587 norm = 5.86576 Prefactor = 7.77156e-10 Prefactor = 1.1523e-06 Prefactor = 0 norm = 1.1064 Prefactor = 1.12549e-06 Prefactor = 7.69858 Prefactor = 2.09 norm = 0.981526 norm = 3.07343 norm = 1.11022e-10 norm = 6.37849 Prefactor = 1.66533e-10 Prefactor = 8.44602e-07 norm = 1.75598 norm = 30.599 norm = 6.83683 Prefactor = 42.7932 norm = 1.21235 Normalizat = 1.37766 Prefactor = 0.877593 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) = 27988.5676131 delta logL = 3.49573383573e-08 Extracting fit parameters... 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 0.000e+00 2.241e-05 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 8.129e-01 9.234e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 610 Prefactor: 8.776e-01 1.265e+00 0.000e+00 1.000e+01 ( 1.000e+00) 611 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 612 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 609 Normalization: 1.378e+00 1.083e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 275.414 66.609 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/31675097/cmap_HighResolution_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='9.59e-04', job_status='DONE', photon_flux_upper_limit='1.30e-08', time_completed='2026-07-14 15:45:55.943576', job_id='31675097', GAL2='0.88', fit_tolerance='1e-08', EG2='1.38', EG='1.38', time_epoch_completed='1784069155.94', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.88', dlogl='3.50e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.83' WHERE bin_id='936' AND source_name='4FGL J1821.6+6636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 14 15:45:56 PDT 2026 .0000 .10000E+07 28 'Prefactor ' .42072E-05 1.0000 .0000 .10000E+07 29 'Prefactor ' .26527E-02 1.0000 .0000 .10000E+07 30 'norm ' 1.7548 1.0000 .0000 .10000E+07 31 'norm ' 30.600 1.0000 .0000 .10000E+07 32 'norm ' 6.8150 1.0000 .0000 .10000E+07 33 'Prefactor ' 42.910 1.0000 .0000 .10000E+07 34 'norm ' 1.2123 1.0000 .0000 .10000E+07 35 'Normalizat' 1.3777 1.0000 .10000E-01 10.000 36 'Prefactor ' .87752 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6130E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 27988.57 FROM MIGRAD STATUS=CONVERGED 199 CALLS 3018 TOTAL EDM= .49E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 3.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .81879E-07 56.296 -.22775E-05** at limit ** 2 Prefactor .16098E-08 4.3313 .20994E-05** at limit ** 3 norm .58287E-08 6.0034 .86510E-06** at limit ** 4 Prefactor .88818E-09 3.8893 .52446E-06** at limit ** 5 norm .79093E-01 .25418 .88597E-07** at limit ** 6 Prefactor .19712E-06 2.2590 .26459E-06** at limit ** 7 Prefactor .0000 1.2117 .18966E-06** at limit ** 8 Prefactor 12.608 7.6225 .44105E-06 .57843E-02 9 Prefactor .49261E-06 5.7826 -.11251E-05** at limit ** 10 Prefactor .19301E-06 7.3341 .14338E-06** at limit ** 11 Prefactor 2.9159 2.5297 .20156E-06 .12538E-03 12 Prefactor .84932E-08 10.158 .36096E-05** at limit ** 13 Prefactor .26756E-06 31.527 .40469E-05** at limit ** 14 norm 4.0092 1.8124 -.12702E-06 .56612E-02 15 norm 7.1959 .94744 .25664E-07 .29617E-02 16 norm 5.8658 2.6336 .26894E-06 .24298E-02 17 Prefactor .77716E-09 4.5078 -.26617E-05** at limit ** 18 Prefactor .11523E-05 6.9909 .10772E-05** at limit ** 19 Prefactor .0000 1.6271 -.10429E-06** at limit ** 20 norm 1.1064 3.5622 .56992E-06 -.64716E-03 21 Prefactor .11255E-05 12.021 -.16226E-05** at limit ** 22 Prefactor 7.6986 3.1079 .92986E-06 .35018E-01 23 Prefactor 2.0900 1.3230 -.16478E-06 .49765E-03 24 norm .98153 1.3756 -.32935E-07 -.35584E-02 25 norm 3.0734 1.6982 .20131E-06 .91083E-03 26 norm .11102E-09 2.7776 .15220E-06** at limit ** 27 norm 6.3785 7.3493 .16053E-06 .18290E-02 28 Prefactor .16653E-09 3.1322 .14671E-06** at limit ** 29 Prefactor .84460E-06 1.9260 .39895E-06** at limit ** 30 norm 1.7560 .83136 -.27926E-07 .22350E-03 31 norm 30.599 1.0038 .33406E-08 -.62552E-04 32 norm 6.8368 2.4827 -.75447E-06 -.28020E-02 33 Prefactor 42.793 1.3631 .91229E-08 .69750E-02 34 norm 1.2124 1.4907 -.13960E-06 -.17745E-02 35 Normalizat 1.3777 .12382 -.54384E-05 -.42413E-04 36 Prefactor .87759 .67587E-01 -.51694E-06 -.17734E-03 ERR DEF= .500 Final values: Prefactor = 8.18789e-08 Prefactor = 1.60982e-09 norm = 5.82867e-09 Prefactor = 8.88178e-10 norm = 0.0790932 Prefactor = 1.9712e-07 Prefactor = 0 Prefactor = 12.6085 Prefactor = 4.92606e-07 Prefactor = 1.93012e-07 Prefactor = 2.91594 Prefactor = 8.49321e-09 Prefactor = 2.67564e-07 norm = 4.0092 norm = 7.19587 norm = 5.86576 Prefactor = 7.77156e-10 Prefactor = 1.1523e-06 Prefactor = 0 norm = 1.1064 Prefactor = 1.12549e-06 Prefactor = 7.69858 Prefactor = 2.09 norm = 0.981526 norm = 3.07343 norm = 1.11022e-10 norm = 6.37849 Prefactor = 1.66533e-10 Prefactor = 8.44602e-07 norm = 1.75598 norm = 30.599 norm = 6.83683 Prefactor = 42.7932 norm = 1.21235 Normalizat = 1.37766 Prefactor = 0.877593 ********** ** 18 **HESSE ********** FCN= 27988.57 FROM HESSE STATUS=OK 911 CALLS 3929 TOTAL EDM= .98E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .81879E-07 56.726 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .16098E-08 4.7195 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm .58287E-08 5.9902 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .88818E-09 3.9034 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .79093E-01 .19876 .21688E-02 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .19712E-06 1.9151 .64822E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .0000 1.2046 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 12.608 7.8339 .28180E-03 -1.5637 9 Prefactor .49261E-06 1.2416 .61225E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .19301E-06 11.045 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 2.9159 2.5381 .59316E-03 -1.5674 12 Prefactor .84932E-08 13.912 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .26756E-06 32.945 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 4.0092 1.8216 .50345E-03 -1.5668 15 norm 7.1959 .94996 .37371E-03 -1.5654 16 norm 5.8658 2.6448 .41437E-03 -1.5660 17 Prefactor .77716E-09 4.8779 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .11523E-05 16.483 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor .0000 1.6191 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 1.1064 3.5798 .11313E-02 -1.5687 21 Prefactor .11255E-05 19.914 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor 7.6986 9.3179 .36105E-03 -1.5652 23 Prefactor 2.0900 163.62 .70707E-03 -1.5679 24 norm .98153 1.5073 .42927E-03 -1.5688 25 norm 3.0734 1.6976 .57834E-03 -1.5673 26 norm .11102E-09 2.7395 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 6.3785 7.3812 .39751E-03 -1.5657 28 Prefactor .16653E-09 3.1392 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Prefactor .84460E-06 1.5766 .54070E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 30 norm 1.7560 .88581 .79098E-03 -1.5681 31 norm 30.599 18.974 .18080E-03 -1.5597 32 norm 6.8368 10.627 .38410E-03 -1.5656 33 Prefactor 42.793 16.137 .15267E-03 -1.5577 34 norm 1.2124 1.5403 .10266E-02 -1.5686 35 Normalizat 1.3777 .11353 .72329E-01 -.81277 36 Prefactor .87759 .61406E-01 .44718E-01 -.96929 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.7949e-06 Minuit parameter uncertainties: 1 0.00431023 2 0.000175388 3 0.000374122 4 0.000117065 5 0.198763 6 0.00122875 7 3.97157e-06 8 7.83391 9 0.00156412 10 0.0029201 11 2.53809 12 0.000687108 13 0.00593781 14 1.82155 15 0.949957 16 2.64484 17 0.000125132 18 0.00871637 19 1.30821e-05 20 3.57984 21 0.00946859 22 9.31795 23 36.9862 24 1.50725 25 1.69758 26 3.34358e-05 27 7.38126 28 4.84114e-05 29 0.00230793 30 0.885813 31 18.9744 32 10.6271 33 16.1372 34 1.54028 35 0.113556 36 0.0614113 ********** ** 18 **HESSE ********** FCN= 27988.57 FROM HESSE STATUS=OK 911 CALLS 3929 TOTAL EDM= .98E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .81879E-07 56.726 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .16098E-08 4.7195 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm .58287E-08 5.9902 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .88818E-09 3.9034 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .79093E-01 .19876 .21688E-02 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .19712E-06 1.9151 .64822E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .0000 1.2046 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 12.608 7.8339 .28180E-03 -1.5637 9 Prefactor .49261E-06 1.2416 .61225E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .19301E-06 11.045 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 2.9159 2.5381 .59316E-03 -1.5674 12 Prefactor .84932E-08 13.912 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .26756E-06 32.945 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 4.0092 1.8216 .50345E-03 -1.5668 15 norm 7.1959 .94996 .37371E-03 -1.5654 16 norm 5.8658 2.6448 .41437E-03 -1.5660 17 Prefactor .77716E-09 4.8779 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .11523E-05 16.483 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor .0000 1.6191 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 1.1064 3.5798 .11313E-02 -1.5687 21 Prefactor .11255E-05 19.914 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor 7.6986 9.3179 .36105E-03 -1.5652 23 Prefactor 2.0900 163.62 .70707E-03 -1.5679 24 norm .98153 1.5073 .42927E-03 -1.5688 25 norm 3.0734 1.6976 .57834E-03 -1.5673 26 norm .11102E-09 2.7395 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 norm 6.3785 7.3812 .39751E-03 -1.5657 28 Prefactor .16653E-09 3.1392 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Prefactor .84460E-06 1.5766 .54070E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 30 norm 1.7560 .88581 .79098E-03 -1.5681 31 norm 30.599 18.974 .18080E-03 -1.5597 32 norm 6.8368 10.627 .38410E-03 -1.5656 33 Prefactor 42.793 16.137 .15267E-03 -1.5577 34 norm 1.2124 1.5403 .10266E-02 -1.5686 35 Normalizat 1.3777 .11353 .72329E-01 -.81277 36 Prefactor .87759 .61406E-01 .44718E-01 -.96929 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.7949e-06 Minuit parameter uncertainties: 1 0.00431023 2 0.000175388 3 0.000374122 4 0.000117065 5 0.198763 6 0.00122875 7 3.97157e-06 8 7.83391 9 0.00156412 10 0.0029201 11 2.53809 12 0.000687108 13 0.00593781 14 1.82155 15 0.949957 16 2.64484 17 0.000125132 18 0.00871637 19 1.30821e-05 20 3.57984 21 0.00946859 22 9.31795 23 36.9862 24 1.50725 25 1.69758 26 3.34358e-05 27 7.38126 28 4.84114e-05 29 0.00230793 30 0.885813 31 18.9744 32 10.6271 33 16.1372 34 1.54028 35 0.113556 36 0.0614113 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 27988.5676132 Extracting fit parameters... 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 1.152e-06 8.716e-03 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.833e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 610 Prefactor: 8.776e-01 6.141e-02 0.000e+00 1.000e+01 ( 1.000e+00) 611 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 612 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 609 Normalization: 1.378e+00 1.136e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 275.414 66.609 Photon Flux Upper Limit: 1.29753343199e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.000958994936044 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31676080/likelihoodResults_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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): 102 logL (Free Index) = 27988.5965506 delta logL = -0.0289374788845 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 27988.5676132 delta logL = -6.05978129897e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .49710E-06 1.0000 .0000 .10000E+07 2 'Index ' .10505 1.0000 .0000 10.000 3 'Normalizat' 1.3776 1.0000 .10000E-01 10.000 4 'Prefactor ' .87762 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6130E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 27988.57 FROM MIGRAD STATUS=CONVERGED 37 CALLS 209 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.3% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 19.004 .18981E-06** at limit ** 2 Index .81289 6.5501 .17437E-04 .0000 3 Normalizat 1.3777 .11895 .21582E-05 -.65807E-04 4 Prefactor .87759 .65605E-01 -.30162E-05 -.11263E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.812891 Normalizat = 1.37766 Prefactor = 0.877593 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 27988.57 FROM HESSE STATUS=FAILED 11 CALLS 220 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 19.427 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .11640E-01 1.0380 .17437E-04 -.99255 3 Normalizat 1.3777 1.0653 .21582E-05 -.81277 4 Prefactor .87759 1.2235 -.30162E-05 -.96929 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.44051e-12 Minuit parameter uncertainties: 1 2.24146e-05 2 0.923394 3 1.08317 4 1.2653 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) = 27988.5676131 delta logL = 3.49573383573e-08 Extracting fit parameters... 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 0.000e+00 2.241e-05 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 8.129e-01 9.234e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 610 Prefactor: 8.776e-01 1.265e+00 0.000e+00 1.000e+01 ( 1.000e+00) 611 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 612 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 609 Normalization: 1.378e+00 1.083e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 275.414 66.609 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/31676080/cmap_HighResolution_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='9.59e-04', job_status='DONE', photon_flux_upper_limit='1.30e-08', time_completed='2026-07-14 15:51:37.197891', job_id='31676080', GAL2='0.88', fit_tolerance='1e-08', EG2='1.38', EG='1.38', time_epoch_completed='1784069497.2', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.88', dlogl='3.50e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.83' WHERE bin_id='936' AND source_name='4FGL J1821.6+6636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 14 15:51:37 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 27988.5676132 Extracting fit parameters... 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 1.152e-06 8.716e-03 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.833e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 610 Prefactor: 8.776e-01 6.141e-02 0.000e+00 1.000e+01 ( 1.000e+00) 611 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 612 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 609 Normalization: 1.378e+00 1.136e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 275.414 66.609 Photon Flux Upper Limit: 1.29753343199e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.000958994936044 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31676098/likelihoodResults_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.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): 102 logL (Free Index) = 27988.5965506 delta logL = -0.0289374788845 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 27988.5676132 delta logL = -6.05978129897e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .49710E-06 1.0000 .0000 .10000E+07 2 'Index ' .10505 1.0000 .0000 10.000 3 'Normalizat' 1.3776 1.0000 .10000E-01 10.000 4 'Prefactor ' .87762 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6130E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 27988.57 FROM MIGRAD STATUS=CONVERGED 37 CALLS 209 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.3% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 19.004 .18981E-06** at limit ** 2 Index .81289 6.5501 .17437E-04 .0000 3 Normalizat 1.3777 .11895 .21582E-05 -.65807E-04 4 Prefactor .87759 .65605E-01 -.30162E-05 -.11263E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.812891 Normalizat = 1.37766 Prefactor = 0.877593 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 27988.57 FROM HESSE STATUS=FAILED 11 CALLS 220 TOTAL EDM= .14E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 19.427 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .11640E-01 1.0380 .17437E-04 -.99255 3 Normalizat 1.3777 1.0653 .21582E-05 -.81277 4 Prefactor .87759 1.2235 -.30162E-05 -.96929 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.44051e-12 Minuit parameter uncertainties: 1 2.24146e-05 2 0.923394 3 1.08317 4 1.2653 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) = 27988.5676131 delta logL = 3.49573383573e-08 Extracting fit parameters... 4FGL J1821.6+6636 Spectrum: PowerLaw 351 Prefactor: 0.000e+00 2.241e-05 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 8.129e-01 9.234e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 4.696e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 610 Prefactor: 8.776e-01 1.265e+00 0.000e+00 1.000e+01 ( 1.000e+00) 611 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 612 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 609 Normalization: 1.378e+00 1.083e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 275.414 66.609 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/31676098/cmap_HighResolution_805075201_805680001_4FGL_J1821.6+6636_weekly_bin936.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='9.59e-04', job_status='DONE', photon_flux_upper_limit='1.30e-08', time_completed='2026-07-14 15:52:16.686787', job_id='31676098', GAL2='0.88', fit_tolerance='1e-08', EG2='1.38', EG='1.38', time_epoch_completed='1784069536.69', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.88', dlogl='3.50e-08', ts2='0.00', photon_index_error='0.00', photon_index='1.83' WHERE bin_id='936' AND source_name='4FGL J1821.6+6636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 14 15:52:17 PDT 2026