/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). outfile=/lscratch/kocevski/31177119/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177119/ft2_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 20.12 user 19.05 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31177119/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177119/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31177119/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177119/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177119/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 73.85 user 68.39 sys 4.30 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 198 point sources and 0 extended sources Setting source of interest to: 4FGL J1635.6+3628 @ 248.923 36.4795 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31177119/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177119/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177119/cmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 0.98 user 0.26 sys 0.11 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31177119/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177119/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177119/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 0.23 sys 0.16 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31177119/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177119/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31177119/Model_4FGL_J1635.6+3628_weekly_bin933.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 = 17530 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1635.6+3628_weekly_bin933 RA = 248.923, Dec = 36.4795 tmin = 803260801, tmax = 803865601 emin = 100.0, emax = 100000.0 irfs = P8R3_SOURCE_V2 ROI = 12 zmax = 90 Fitting strategies: Fix sources to their catalog values = True Leave variable source normalizations free = True Perform pre-fit where ALL sources are frozen to catalog values = False Perform secondary fit with a free spectral index = True Remove all catalog sources = False Remove weak (TS < 2) catalog sources = False Freeze Galactic component = False Likelihood fit parameters: Statistic: UNBINNED Optimizer: MINUIT Catalog: 4FGL Repository job = True LAT data source: Data catalog Updating database... UPDATE lightcurve_data_v2 SET job_id='31177332', job_status='RUN', time_executed='2026-07-09 21:55:18.367493', time_epoch_executed='1783659318.37' WHERE source_name='4FGL J1635.6+3628' and cadence='weekly' and bin_id='933' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31177332 Creating custom pfile directory: /lscratch/kocevski/31177332/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31177332/ft1_4FGL_J1635.6+3628_weekly_bin933.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31177332/ft1_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177332/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin933.fits ra=248.923 dec=36.4795 rad=12.0 tmin=803260801.0 tmax=803865601.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 4.61 user 3.50 sys 0.26 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.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/31177332/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" outfile="/lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.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 1.11 user 0.23 sys 0.14 Number of photons that the gtmktime cut: 2221 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA"number of points = 17530 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1635.6+3628_weekly_bin933 RA = 248.923, Dec = 36.4795 tmin = 803260801, tmax = 803865601 emin = 100.0, emax = 100000.0 irfs = P8R3_SOURCE_V2 ROI = 12 zmax = 90 Fitting strategies: Fix sources to their catalog values = True Leave variable source normalizations free = True Perform pre-fit where ALL sources are frozen to catalog values = False Perform secondary fit with a free spectral index = True Remove all catalog sources = False Remove weak (TS < 2) catalog sources = False Freeze Galactic component = False Likelihood fit parameters: Statistic: UNBINNED Optimizer: MINUIT Catalog: 4FGL Repository job = True LAT data source: Data catalog Updating database... UPDATE lightcurve_data_v2 SET job_id='31177375', job_status='RUN', time_executed='2026-07-09 21:57:07.765435', time_epoch_executed='1783659427.77' WHERE source_name='4FGL J1635.6+3628' and cadence='weekly' and bin_id='933' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31177375 Creating custom pfile directory: /lscratch/kocevski/31177375/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31177375/ft1_4FGL_J1635.6+3628_weekly_bin933.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31177375/ft1_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177375/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin933.fits ra=248.923 dec=36.4795 rad=12.0 tmin=803260801.0 tmax=803865601.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 4.38 user 3.62 sys 0.22 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.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/31177375/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" outfile="/lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.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: 2221 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" outfile=/lscratch/kocevski/31177332/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 21.21 user 20.24 sys 0.25 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31177332/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177332/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177332/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 74.84 user 68.99 sys 4.42 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 198 point sources and 0 extended sources Setting source of interest to: 4FGL J1635.6+3628 @ 248.923 36.4795 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177332/cmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 1.14 user 0.31 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177332/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 1.28 user 0.32 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31177332/Model_4FGL_J1635.6+3628_weekly_bin933.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/31177119/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits.....................! real 69.26 user 66.77 sys 1.13 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177119/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits', '/lscratch/kocevski/31177119/ft2_4FGL_J1635.6+3628_weekly_bin933.fits', expMap='/lscratch/kocevski/31177119/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', expCube='/lscratch/kocevski/31177119/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177119/Model_4FGL_J1635.6+3628_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1635.6+3628' 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 4.539e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177119/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31177119/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Exposure map: /lscratch/kocevski/31177119/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31177119/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177119/Model_4FGL_J1635.6+3628_weekly_bin933.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 102 logL (Fixed Index) = 24360.8207623 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6556894 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .50600E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' 2.9404 1.0000 .0000 .10000E+07 3 'Prefactor ' .25381E-04 1.0000 .0000 .10000E+07 4 'Prefactor ' .67878E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' .28629E-02 1.0000 .0000 .10000E+07 6 'Prefactor ' .13644 1.0000 .0000 .10000E+07 7 'norm ' .75329E-01 1.0000 .0000 .10000E+07 8 'norm ' .16030E-04 1.0000 .0000 .10000E+07 9 'Prefactor ' .24251E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' 2.8218 1.0000 .0000 .10000E+07 11 'norm ' .28088E-03 1.0000 .0000 .10000E+07 12 'Prefactor ' 2.7648 1.0000 .0000 .10000E+07 13 'Prefactor ' .56060 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.4945 1.0000 .0000 .10000E+07 15 'Prefactor ' .18929E-07 1.0000 .0000 .10000E+07 16 'norm ' 4.5713 1.0000 .0000 .10000E+07 17 'Prefactor ' .15614E-04 1.0000 .0000 .10000E+07 18 'Prefactor ' .26733E-03 1.0000 .0000 .10000E+07 19 'norm ' .36692E-01 1.0000 .0000 .10000E+07 20 'norm ' 4.2763 1.0000 .0000 .10000E+07 21 'norm ' 5.1742 1.0000 .0000 .10000E+07 22 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 23 'Prefactor ' .92567 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 160 CALLS 1562 TOTAL EDM= .62E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.2% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .16653E-08 1.8286 -.11294E-06** at limit ** 2 Prefactor 2.9159 4.7667 -.52524E-07 -.12081E-02 3 Prefactor .0000 1.1028 -.11426E-06** at limit ** 4 Prefactor .0000 .93487 .10362E-06** at limit ** 5 Prefactor .11728E-05 29.087 -.29556E-06** at limit ** 6 Prefactor .13952 3.8466 .26826E-06** at limit ** 7 norm .75408E-01 .51974E-01 -.12516E-07** at limit ** 8 norm .11102E-09 1.1353 -.21283E-06** at limit ** 9 Prefactor .23426E-07 4.6038 .19056E-06** at limit ** 10 Prefactor 2.8220 1.8913 -.54282E-07 .15500E-02 11 norm .14511E-06 12.038 .16846E-06** at limit ** 12 Prefactor 2.7650 .96495 -.10900E-07 -.37072E-02 13 Prefactor .55990 .84178 -.22020E-07 -.22125E-02 14 Prefactor 2.5582 10.065 .31660E-07 .18811E-02 15 Prefactor .0000 .45964 .31070E-07** at limit ** 16 norm 4.5731 .97347 -.11970E-07 -.19753E-02 17 Prefactor .13672E-05 17.066 -.10810E-06** at limit ** 18 Prefactor .21424E-04 5.8791 .96899E-07** at limit ** 19 norm .36944E-01 .64040 -.63052E-07** at limit ** 20 norm 4.2919 4.1684 -.33236E-07 -.21975E-03 21 norm 5.2179 3.4042 .40835E-07 -.12114E-02 22 Normalizat 1.0688 .11348 .15215E-05 -.32483E-04 23 Prefactor .92557 .87769E-01 -.44660E-06 -.47142E-04 ERR DEF= .500 Final values: norm = 1.66533e-09 Prefactor = 2.91587 Prefactor = 0 Prefactor = 0 Prefactor = 1.17278e-06 Prefactor = 0.13952 norm = 0.0754081 norm = 1.11022e-10 Prefactor = 2.34257e-08 Prefactor = 2.82196 norm = 1.45106e-07 Prefactor = 2.76502 Prefactor = 0.559897 Prefactor = 2.55816 Prefactor = 0 norm = 4.5731 Prefactor = 1.36718e-06 Prefactor = 2.14243e-05 norm = 0.0369438 norm = 4.2919 norm = 5.21794 Normalizat = 1.06879 Prefactor = 0.925575 outfile=/lscratch/kocevski/31177375/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 20.02 user 19.09 sys 0.26 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31177375/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177375/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177375/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 73.04 user 67.97 sys 4.16 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 198 point sources and 0 extended sources Setting source of interest to: 4FGL J1635.6+3628 @ 248.923 36.4795 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177375/cmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 0.25 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177375/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 1.08 user 0.24 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31177375/Model_4FGL_J1635.6+3628_weekly_bin933.xml irfs="P8R3_SOURCE_V2" evclsmin=0 evclass="INDEF" evtype="INDEF" convert=yes chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). adding source EG_v02 adding sourc ********** ** 18 **HESSE ********** FCN= 24360.66 FROM HESSE STATUS=OK 432 CALLS 1994 TOTAL EDM= .36E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .16653E-08 1.8324 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 2.9159 4.7833 .59206E-03 -1.5674 3 Prefactor .0000 1.1009 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 .94482 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .11728E-05 30.295 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .13952 .46964 .63817E-02 -1.5700 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .75408E-01 .58407E-01 .62598E-03 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .11102E-09 1.1346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .23426E-07 4.6155 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 2.8220 1.9002 .60520E-03 -1.5674 11 norm .14511E-06 12.228 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 2.7650 .91791 .61185E-03 -1.5675 13 Prefactor .55990 .79003 .72834E-04 -1.5693 14 Prefactor 2.5582 10.017 .64687E-03 -1.5676 15 Prefactor .0000 .45487 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.5731 .97291 .47057E-03 -1.5665 17 Prefactor .13672E-05 18.917 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .21424E-04 1.0398 .55141E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .36944E-01 .13748 .20114E-02 -1.5712 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 4.2919 4.2006 .48697E-03 -1.5667 21 norm 5.2179 3.4194 .44171E-03 -1.5662 22 Normalizat 1.0688 .95881E-01 .58712E-01 -.90760 23 Prefactor .92557 .73465E-01 .45331E-01 -.95253 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.6428e-07 Minuit parameter uncertainties: 1 0.000110439 2 4.7833 3 9.5204e-06 4 9.39638e-06 5 0.0119214 6 0.46964 7 0.0584069 8 2.39266e-05 9 0.000657306 10 1.90023 11 0.00266396 12 0.917905 13 0.79003 14 10.0175 15 2.01881e-06 16 0.972911 17 0.0101711 18 0.0094396 19 0.137479 20 4.2006 21 3.41938 22 0.095897 23 0.0734733 number of points = 17530 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1635.6+3628_weekly_bin933 RA = 248.923, Dec = 36.4795 tmin = 803260801, tmax = 803865601 emin = 100.0, emax = 100000.0 irfs = P8R3_SOURCE_V2 ROI = 12 zmax = 90 Fitting strategies: Fix sources to their catalog values = True Leave variable source normalizations free = True Perform pre-fit where ALL sources are frozen to catalog values = False Perform secondary fit with a free spectral index = True Remove all catalog sources = False Remove weak (TS < 2) catalog sources = False Freeze Galactic component = False Likelihood fit parameters: Statistic: UNBINNED Optimizer: MINUIT Catalog: 4FGL Repository job = True LAT data source: Data catalog Updating database... UPDATE lightcurve_data_v2 SET job_id='31177512', job_status='RUN', time_executed='2026-07-09 22:00:17.646683', time_epoch_executed='1783659617.65' WHERE source_name='4FGL J1635.6+3628' and cadence='weekly' and bin_id='933' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31177512 Creating custom pfile directory: /lscratch/kocevski/31177512/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31177512/ft1_4FGL_J1635.6+3628_weekly_bin933.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803260801.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31177512/ft1_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177512/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin933.fits ra=248.923 dec=36.4795 rad=12.0 tmin=803260801.0 tmax=803865601.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 5.20 user 4.41 sys 0.24 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.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/31177512/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" outfile="/lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.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 0.94 user 0.22 sys 0.14 Number of photons that the gtmktime cut: 2221 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA"e GAL_V02 Working on... /lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits.....................! real 68.65 user 66.07 sys 1.43 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits', '/lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits', expMap='/lscratch/kocevski/31177332/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', expCube='/lscratch/kocevski/31177332/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177332/Model_4FGL_J1635.6+3628_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1635.6+3628' 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 4.539e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177332/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31177332/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Exposure map: /lscratch/kocevski/31177332/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31177332/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177332/Model_4FGL_J1635.6+3628_weekly_bin933.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 102 logL (Fixed Index) = 24360.8207623 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6556894 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .50600E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' 2.9404 1.0000 .0000 .10000E+07 3 'Prefactor ' .25381E-04 1.0000 .0000 .10000E+07 4 'Prefactor ' .67878E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' .28629E-02 1.0000 .0000 .10000E+07 6 'Prefactor ' .13644 1.0000 .0000 .10000E+07 7 'norm ' .75329E-01 1.0000 .0000 .10000E+07 8 'norm ' .16030E-04 1.0000 .0000 .10000E+07 9 'Prefactor ' .24251E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' 2.8218 1.0000 .0000 .10000E+07 11 'norm ' .28088E-03 1.0000 .0000 .10000E+07 12 'Prefactor ' 2.7648 1.0000 .0000 .10000E+07 13 'Prefactor ' .56060 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.4945 1.0000 .0000 .10000E+07 15 'Prefactor ' .18929E-07 1.0000 .0000 .10000E+07 16 'norm ' 4.5713 1.0000 .0000 .10000E+07 17 'Prefactor ' .15614E-04 1.0000 .0000 .10000E+07 18 'Prefactor ' .26733E-03 1.0000 .0000 .10000E+07 19 'norm ' .36692E-01 1.0000 .0000 .10000E+07 20 'norm ' 4.2763 1.0000 .0000 .10000E+07 21 'norm ' 5.1742 1.0000 .0000 .10000E+07 22 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 23 'Prefactor ' .92567 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 160 CALLS 1562 TOTAL EDM= .62E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.2% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .16653E-08 1.8286 -.11294E-06** at limit ** 2 Prefactor 2.9159 4.7667 -.52524E-07 -.12081E-02 3 Prefactor .0000 1.1028 -.11426E-06** at limit ** 4 Prefactor .0000 .93487 .10362E-06** at limit ** 5 Prefactor .11728E-05 29.087 -.29556E-06** at limit ** 6 Prefactor .13952 3.8466 .26826E-06** at limit ** 7 norm .75408E-01 .51974E-01 -.12516E-07** at limit ** 8 norm .11102E-09 1.1353 -.21283E-06** at limit ** 9 Prefactor .23426E-07 4.6038 .19056E-06** at limit ** 10 Prefactor 2.8220 1.8913 -.54282E-07 .15500E-02 11 norm .14511E-06 12.038 .16846E-06** at limit ** 12 Prefactor 2.7650 .96495 -.10900E-07 -.37072E-02 13 Prefactor .55990 .84178 -.22020E-07 -.22125E-02 14 Prefactor 2.5582 10.065 .31660E-07 .18811E-02 15 Prefactor .0000 .45964 .31070E-07** at limit ** 16 norm 4.5731 .97347 -.11970E-07 -.19753E-02 17 Prefactor .13672E-05 17.066 -.10810E-06** at limit ** 18 Prefactor .21424E-04 5.8791 .96899E-07** at limit ** 19 norm .36944E-01 .64040 -.63052E-07** at limit ** 20 norm 4.2919 4.1684 -.33236E-07 -.21975E-03 21 norm 5.2179 3.4042 .40835E-07 -.12114E-02 22 Normalizat 1.0688 .11348 .15215E-05 -.32483E-04 23 Prefactor .92557 .87769E-01 -.44660E-06 -.47142E-04 ERR DEF= .500 Final values: norm = 1.66533e-09 Prefactor = 2.91587 Prefactor = 0 Prefactor = 0 Prefactor = 1.17278e-06 Prefactor = 0.13952 norm = 0.0754081 norm = 1.11022e-10 Prefactor = 2.34257e-08 Prefactor = 2.82196 norm = 1.45106e-07 Prefactor = 2.76502 Prefactor = 0.559897 Prefactor = 2.55816 Prefactor = 0 norm = 4.5731 Prefactor = 1.36718e-06 Prefactor = 2.14243e-05 norm = 0.0369438 norm = 4.2919 norm = 5.21794 Normalizat = 1.06879 Prefactor = 0.925575 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6554266 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 2.343e-08 6.573e-04 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 7.347e-02 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 9.590e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 248.923 36.480 Photon Flux Upper Limit: 3.28179952948e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00257839297995 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177119/likelihoodResults_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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) = 24360.6572446 delta logL = -0.0018179532708 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 24360.6554266 delta logL = -4.14365786128e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .67168E-08 1.0000 .0000 .10000E+07 2 'Index ' .77869 1.0000 .0000 10.000 3 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 4 'Prefactor ' .92558 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 60 CALLS 291 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .30563 .30428E-02** at limit ** 2 Index 4.0825 2.0686 .32042E-04 .0000 3 Normalizat 1.0688 1.1817 -.21594E-05 -.10207E-04 4 Prefactor .92558 1.2692 .96355E-06 .85693E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 4.08253 Normalizat = 1.06879 Prefactor = 0.925575 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM HESSE STATUS=FAILED 9 CALLS 300 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .30563 .30428E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.7998 2.3679 .32042E-04 -.18454 3 Normalizat 1.0688 1.1817 -.21594E-05 -.90760 4 Prefactor .92558 1.2692 .96355E-06 -.95253 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.84726e-12 Minuit parameter uncertainties: 1 5.22997e-06 2 2.13509 3 1.21289 4 1.31372 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) = 24360.6554266 delta logL = 2.52839527093e-09 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 5.230e-06 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 4.083e+00 2.135e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 1.314e+00 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 1.213e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 248.923 36.480 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/31177119/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.58e-03', job_status='DONE', photon_flux_upper_limit='3.28e-08', time_completed='2026-07-09 22:08:55.351429', job_id='31177119', GAL2='0.93', fit_tolerance='1e-08', EG2='1.07', EG='1.07', time_epoch_completed='1783660135.35', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.93', dlogl='2.53e-09', ts2='0.00', photon_index_error='0.00', photon_index='2.67' WHERE bin_id='933' AND source_name='4FGL J1635.6+3628' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:08:55 PDT 2026 outfile=/lscratch/kocevski/31177512/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 22.90 user 21.61 sys 0.26 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31177512/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177512/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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/31177512/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits .....................! real 76.72 user 70.51 sys 4.48 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 198 point sources and 0 extended sources Setting source of interest to: 4FGL J1635.6+3628 @ 248.923 36.4795 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177512/cmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 0.29 sys 0.15 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits scfile=/lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits outfile=/lscratch/kocevski/31177512/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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=248.923 yref=36.4795 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 0.27 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits evtable="EVENTS" scfile=/lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31177512/Model_4FGL_J1635.6+3628_weekly_bin933.xml irfs="P8R3_SOURCE_V2" evclsmin=0 evclass="INDEF" evtype="INDEF" convert=yes chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). adding source EG_v02 adding sourc ********** ** 18 **HESSE ********** FCN= 24360.66 FROM HESSE STATUS=OK 432 CALLS 1994 TOTAL EDM= .36E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .16653E-08 1.8324 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 2.9159 4.7833 .59206E-03 -1.5674 3 Prefactor .0000 1.1009 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 .94482 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .11728E-05 30.295 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .13952 .46964 .63817E-02 -1.5700 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .75408E-01 .58407E-01 .62598E-03 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .11102E-09 1.1346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .23426E-07 4.6155 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 2.8220 1.9002 .60520E-03 -1.5674 11 norm .14511E-06 12.228 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 2.7650 .91791 .61185E-03 -1.5675 13 Prefactor .55990 .79003 .72834E-04 -1.5693 14 Prefactor 2.5582 10.017 .64687E-03 -1.5676 15 Prefactor .0000 .45487 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.5731 .97291 .47057E-03 -1.5665 17 Prefactor .13672E-05 18.917 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .21424E-04 1.0398 .55141E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .36944E-01 .13748 .20114E-02 -1.5712 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 4.2919 4.2006 .48697E-03 -1.5667 21 norm 5.2179 3.4194 .44171E-03 -1.5662 22 Normalizat 1.0688 .95881E-01 .58712E-01 -.90760 23 Prefactor .92557 .73465E-01 .45331E-01 -.95253 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.6428e-07 Minuit parameter uncertainties: 1 0.000110439 2 4.7833 3 9.5204e-06 4 9.39638e-06 5 0.0119214 6 0.46964 7 0.0584069 8 2.39266e-05 9 0.000657306 10 1.90023 11 0.00266396 12 0.917905 13 0.79003 14 10.0175 15 2.01881e-06 16 0.972911 17 0.0101711 18 0.0094396 19 0.137479 20 4.2006 21 3.41938 22 0.095897 23 0.0734733 e GAL_V02 Working on... /lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits.....................! real 68.55 user 66.10 sys 1.34 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits', '/lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits', expMap='/lscratch/kocevski/31177375/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', expCube='/lscratch/kocevski/31177375/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177375/Model_4FGL_J1635.6+3628_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1635.6+3628' 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 4.539e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177375/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31177375/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Exposure map: /lscratch/kocevski/31177375/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31177375/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177375/Model_4FGL_J1635.6+3628_weekly_bin933.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 102 logL (Fixed Index) = 24360.8207623 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6556894 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .50600E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' 2.9404 1.0000 .0000 .10000E+07 3 'Prefactor ' .25381E-04 1.0000 .0000 .10000E+07 4 'Prefactor ' .67878E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' .28629E-02 1.0000 .0000 .10000E+07 6 'Prefactor ' .13644 1.0000 .0000 .10000E+07 7 'norm ' .75329E-01 1.0000 .0000 .10000E+07 8 'norm ' .16030E-04 1.0000 .0000 .10000E+07 9 'Prefactor ' .24251E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' 2.8218 1.0000 .0000 .10000E+07 11 'norm ' .28088E-03 1.0000 .0000 .10000E+07 12 'Prefactor ' 2.7648 1.0000 .0000 .10000E+07 13 'Prefactor ' .56060 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.4945 1.0000 .0000 .10000E+07 15 'Prefactor ' .18929E-07 1.0000 .0000 .10000E+07 16 'norm ' 4.5713 1.0000 .0000 .10000E+07 17 'Prefactor ' .15614E-04 1.0000 .0000 .10000E+07 18 'Prefactor ' .26733E-03 1.0000 .0000 .10000E+07 19 'norm ' .36692E-01 1.0000 .0000 .10000E+07 20 'norm ' 4.2763 1.0000 .0000 .10000E+07 21 'norm ' 5.1742 1.0000 .0000 .10000E+07 22 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 23 'Prefactor ' .92567 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 160 CALLS 1562 TOTAL EDM= .62E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.2% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .16653E-08 1.8286 -.11294E-06** at limit ** 2 Prefactor 2.9159 4.7667 -.52524E-07 -.12081E-02 3 Prefactor .0000 1.1028 -.11426E-06** at limit ** 4 Prefactor .0000 .93487 .10362E-06** at limit ** 5 Prefactor .11728E-05 29.087 -.29556E-06** at limit ** 6 Prefactor .13952 3.8466 .26826E-06** at limit ** 7 norm .75408E-01 .51974E-01 -.12516E-07** at limit ** 8 norm .11102E-09 1.1353 -.21283E-06** at limit ** 9 Prefactor .23426E-07 4.6038 .19056E-06** at limit ** 10 Prefactor 2.8220 1.8913 -.54282E-07 .15500E-02 11 norm .14511E-06 12.038 .16846E-06** at limit ** 12 Prefactor 2.7650 .96495 -.10900E-07 -.37072E-02 13 Prefactor .55990 .84178 -.22020E-07 -.22125E-02 14 Prefactor 2.5582 10.065 .31660E-07 .18811E-02 15 Prefactor .0000 .45964 .31070E-07** at limit ** 16 norm 4.5731 .97347 -.11970E-07 -.19753E-02 17 Prefactor .13672E-05 17.066 -.10810E-06** at limit ** 18 Prefactor .21424E-04 5.8791 .96899E-07** at limit ** 19 norm .36944E-01 .64040 -.63052E-07** at limit ** 20 norm 4.2919 4.1684 -.33236E-07 -.21975E-03 21 norm 5.2179 3.4042 .40835E-07 -.12114E-02 22 Normalizat 1.0688 .11348 .15215E-05 -.32483E-04 23 Prefactor .92557 .87769E-01 -.44660E-06 -.47142E-04 ERR DEF= .500 Final values: norm = 1.66533e-09 Prefactor = 2.91587 Prefactor = 0 Prefactor = 0 Prefactor = 1.17278e-06 Prefactor = 0.13952 norm = 0.0754081 norm = 1.11022e-10 Prefactor = 2.34257e-08 Prefactor = 2.82196 norm = 1.45106e-07 Prefactor = 2.76502 Prefactor = 0.559897 Prefactor = 2.55816 Prefactor = 0 norm = 4.5731 Prefactor = 1.36718e-06 Prefactor = 2.14243e-05 norm = 0.0369438 norm = 4.2919 norm = 5.21794 Normalizat = 1.06879 Prefactor = 0.925575 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6554266 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 2.343e-08 6.573e-04 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 7.347e-02 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 9.590e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 248.923 36.480 Photon Flux Upper Limit: 3.28179952948e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00257839297995 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177332/likelihoodResults_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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) = 24360.6572446 delta logL = -0.0018179532708 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 24360.6554266 delta logL = -4.14365786128e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .67168E-08 1.0000 .0000 .10000E+07 2 'Index ' .77869 1.0000 .0000 10.000 3 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 4 'Prefactor ' .92558 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 60 CALLS 291 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .30563 .30428E-02** at limit ** 2 Index 4.0825 2.0686 .32042E-04 .0000 3 Normalizat 1.0688 1.1817 -.21594E-05 -.10207E-04 4 Prefactor .92558 1.2692 .96355E-06 .85693E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 4.08253 Normalizat = 1.06879 Prefactor = 0.925575 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM HESSE STATUS=FAILED 9 CALLS 300 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .30563 .30428E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.7998 2.3679 .32042E-04 -.18454 3 Normalizat 1.0688 1.1817 -.21594E-05 -.90760 4 Prefactor .92558 1.2692 .96355E-06 -.95253 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.84726e-12 Minuit parameter uncertainties: 1 5.22997e-06 2 2.13509 3 1.21289 4 1.31372 ********** ** 18 **HESSE ********** FCN= 24360.66 FROM HESSE STATUS=OK 432 CALLS 1994 TOTAL EDM= .36E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .16653E-08 1.8324 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 2.9159 4.7833 .59206E-03 -1.5674 3 Prefactor .0000 1.1009 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 .94482 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .11728E-05 30.295 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .13952 .46964 .63817E-02 -1.5700 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .75408E-01 .58407E-01 .62598E-03 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .11102E-09 1.1346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .23426E-07 4.6155 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 2.8220 1.9002 .60520E-03 -1.5674 11 norm .14511E-06 12.228 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 2.7650 .91791 .61185E-03 -1.5675 13 Prefactor .55990 .79003 .72834E-04 -1.5693 14 Prefactor 2.5582 10.017 .64687E-03 -1.5676 15 Prefactor .0000 .45487 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.5731 .97291 .47057E-03 -1.5665 17 Prefactor .13672E-05 18.917 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .21424E-04 1.0398 .55141E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .36944E-01 .13748 .20114E-02 -1.5712 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 4.2919 4.2006 .48697E-03 -1.5667 21 norm 5.2179 3.4194 .44171E-03 -1.5662 22 Normalizat 1.0688 .95881E-01 .58712E-01 -.90760 23 Prefactor .92557 .73465E-01 .45331E-01 -.95253 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.6428e-07 Minuit parameter uncertainties: 1 0.000110439 2 4.7833 3 9.5204e-06 4 9.39638e-06 5 0.0119214 6 0.46964 7 0.0584069 8 2.39266e-05 9 0.000657306 10 1.90023 11 0.00266396 12 0.917905 13 0.79003 14 10.0175 15 2.01881e-06 16 0.972911 17 0.0101711 18 0.0094396 19 0.137479 20 4.2006 21 3.41938 22 0.095897 23 0.0734733 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) = 24360.6554266 delta logL = 2.52839527093e-09 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 5.230e-06 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 4.083e+00 2.135e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 1.314e+00 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 1.213e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 248.923 36.480 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/31177332/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.58e-03', job_status='DONE', photon_flux_upper_limit='3.28e-08', time_completed='2026-07-09 22:11:53.692052', job_id='31177332', GAL2='0.93', fit_tolerance='1e-08', EG2='1.07', EG='1.07', time_epoch_completed='1783660313.69', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.93', dlogl='2.53e-09', ts2='0.00', photon_index_error='0.00', photon_index='2.67' WHERE bin_id='933' AND source_name='4FGL J1635.6+3628' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:11:54 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6554266 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 2.343e-08 6.573e-04 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 7.347e-02 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 9.590e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 248.923 36.480 Photon Flux Upper Limit: 3.28179952948e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00257839297995 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177375/likelihoodResults_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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) = 24360.6572446 delta logL = -0.0018179532708 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 24360.6554266 delta logL = -4.14365786128e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .67168E-08 1.0000 .0000 .10000E+07 2 'Index ' .77869 1.0000 .0000 10.000 3 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 4 'Prefactor ' .92558 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 60 CALLS 291 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .30563 .30428E-02** at limit ** 2 Index 4.0825 2.0686 .32042E-04 .0000 3 Normalizat 1.0688 1.1817 -.21594E-05 -.10207E-04 4 Prefactor .92558 1.2692 .96355E-06 .85693E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 4.08253 Normalizat = 1.06879 Prefactor = 0.925575 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM HESSE STATUS=FAILED 9 CALLS 300 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .30563 .30428E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.7998 2.3679 .32042E-04 -.18454 3 Normalizat 1.0688 1.1817 -.21594E-05 -.90760 4 Prefactor .92558 1.2692 .96355E-06 -.95253 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.84726e-12 Minuit parameter uncertainties: 1 5.22997e-06 2 2.13509 3 1.21289 4 1.31372 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) = 24360.6554266 delta logL = 2.52839527093e-09 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 5.230e-06 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 4.083e+00 2.135e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 1.314e+00 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 1.213e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 248.923 36.480 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/31177375/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.58e-03', job_status='DONE', photon_flux_upper_limit='3.28e-08', time_completed='2026-07-09 22:14:07.706031', job_id='31177375', GAL2='0.93', fit_tolerance='1e-08', EG2='1.07', EG='1.07', time_epoch_completed='1783660447.71', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.93', dlogl='2.53e-09', ts2='0.00', photon_index_error='0.00', photon_index='2.67' WHERE bin_id='933' AND source_name='4FGL J1635.6+3628' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:14:08 PDT 2026 e GAL_V02 Working on... /lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits.....................! real 71.33 user 68.86 sys 1.33 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits', '/lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits', expMap='/lscratch/kocevski/31177512/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', expCube='/lscratch/kocevski/31177512/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31177512/Model_4FGL_J1635.6+3628_weekly_bin933.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1635.6+3628' 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 4.539e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31177512/ft1_filtered_4FGL_J1635.6+3628_weekly_bin933.fits Spacecraft file(s): /lscratch/kocevski/31177512/ft2_4FGL_J1635.6+3628_weekly_bin933.fits Exposure map: /lscratch/kocevski/31177512/expmap_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits Exposure cube: /lscratch/kocevski/31177512/ltcube_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31177512/Model_4FGL_J1635.6+3628_weekly_bin933.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 102 logL (Fixed Index) = 24360.8207623 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6556894 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .50600E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' 2.9404 1.0000 .0000 .10000E+07 3 'Prefactor ' .25381E-04 1.0000 .0000 .10000E+07 4 'Prefactor ' .67878E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' .28629E-02 1.0000 .0000 .10000E+07 6 'Prefactor ' .13644 1.0000 .0000 .10000E+07 7 'norm ' .75329E-01 1.0000 .0000 .10000E+07 8 'norm ' .16030E-04 1.0000 .0000 .10000E+07 9 'Prefactor ' .24251E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' 2.8218 1.0000 .0000 .10000E+07 11 'norm ' .28088E-03 1.0000 .0000 .10000E+07 12 'Prefactor ' 2.7648 1.0000 .0000 .10000E+07 13 'Prefactor ' .56060 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.4945 1.0000 .0000 .10000E+07 15 'Prefactor ' .18929E-07 1.0000 .0000 .10000E+07 16 'norm ' 4.5713 1.0000 .0000 .10000E+07 17 'Prefactor ' .15614E-04 1.0000 .0000 .10000E+07 18 'Prefactor ' .26733E-03 1.0000 .0000 .10000E+07 19 'norm ' .36692E-01 1.0000 .0000 .10000E+07 20 'norm ' 4.2763 1.0000 .0000 .10000E+07 21 'norm ' 5.1742 1.0000 .0000 .10000E+07 22 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 23 'Prefactor ' .92567 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 160 CALLS 1562 TOTAL EDM= .62E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.2% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .16653E-08 1.8286 -.11294E-06** at limit ** 2 Prefactor 2.9159 4.7667 -.52524E-07 -.12081E-02 3 Prefactor .0000 1.1028 -.11426E-06** at limit ** 4 Prefactor .0000 .93487 .10362E-06** at limit ** 5 Prefactor .11728E-05 29.087 -.29556E-06** at limit ** 6 Prefactor .13952 3.8466 .26826E-06** at limit ** 7 norm .75408E-01 .51974E-01 -.12516E-07** at limit ** 8 norm .11102E-09 1.1353 -.21283E-06** at limit ** 9 Prefactor .23426E-07 4.6038 .19056E-06** at limit ** 10 Prefactor 2.8220 1.8913 -.54282E-07 .15500E-02 11 norm .14511E-06 12.038 .16846E-06** at limit ** 12 Prefactor 2.7650 .96495 -.10900E-07 -.37072E-02 13 Prefactor .55990 .84178 -.22020E-07 -.22125E-02 14 Prefactor 2.5582 10.065 .31660E-07 .18811E-02 15 Prefactor .0000 .45964 .31070E-07** at limit ** 16 norm 4.5731 .97347 -.11970E-07 -.19753E-02 17 Prefactor .13672E-05 17.066 -.10810E-06** at limit ** 18 Prefactor .21424E-04 5.8791 .96899E-07** at limit ** 19 norm .36944E-01 .64040 -.63052E-07** at limit ** 20 norm 4.2919 4.1684 -.33236E-07 -.21975E-03 21 norm 5.2179 3.4042 .40835E-07 -.12114E-02 22 Normalizat 1.0688 .11348 .15215E-05 -.32483E-04 23 Prefactor .92557 .87769E-01 -.44660E-06 -.47142E-04 ERR DEF= .500 Final values: norm = 1.66533e-09 Prefactor = 2.91587 Prefactor = 0 Prefactor = 0 Prefactor = 1.17278e-06 Prefactor = 0.13952 norm = 0.0754081 norm = 1.11022e-10 Prefactor = 2.34257e-08 Prefactor = 2.82196 norm = 1.45106e-07 Prefactor = 2.76502 Prefactor = 0.559897 Prefactor = 2.55816 Prefactor = 0 norm = 4.5731 Prefactor = 1.36718e-06 Prefactor = 2.14243e-05 norm = 0.0369438 norm = 4.2919 norm = 5.21794 Normalizat = 1.06879 Prefactor = 0.925575 ********** ** 18 **HESSE ********** FCN= 24360.66 FROM HESSE STATUS=OK 432 CALLS 1994 TOTAL EDM= .36E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .16653E-08 1.8324 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 2.9159 4.7833 .59206E-03 -1.5674 3 Prefactor .0000 1.1009 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 .94482 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .11728E-05 30.295 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .13952 .46964 .63817E-02 -1.5700 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .75408E-01 .58407E-01 .62598E-03 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .11102E-09 1.1346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .23426E-07 4.6155 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 2.8220 1.9002 .60520E-03 -1.5674 11 norm .14511E-06 12.228 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 2.7650 .91791 .61185E-03 -1.5675 13 Prefactor .55990 .79003 .72834E-04 -1.5693 14 Prefactor 2.5582 10.017 .64687E-03 -1.5676 15 Prefactor .0000 .45487 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.5731 .97291 .47057E-03 -1.5665 17 Prefactor .13672E-05 18.917 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .21424E-04 1.0398 .55141E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .36944E-01 .13748 .20114E-02 -1.5712 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 4.2919 4.2006 .48697E-03 -1.5667 21 norm 5.2179 3.4194 .44171E-03 -1.5662 22 Normalizat 1.0688 .95881E-01 .58712E-01 -.90760 23 Prefactor .92557 .73465E-01 .45331E-01 -.95253 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.6428e-07 Minuit parameter uncertainties: 1 0.000110439 2 4.7833 3 9.5204e-06 4 9.39638e-06 5 0.0119214 6 0.46964 7 0.0584069 8 2.39266e-05 9 0.000657306 10 1.90023 11 0.00266396 12 0.917905 13 0.79003 14 10.0175 15 2.01881e-06 16 0.972911 17 0.0101711 18 0.0094396 19 0.137479 20 4.2006 21 3.41938 22 0.095897 23 0.0734733 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 24360.6554266 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 2.343e-08 6.573e-04 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 7.347e-02 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 9.590e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 248.923 36.480 Photon Flux Upper Limit: 3.28179952948e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00257839297995 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31177512/likelihoodResults_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.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) = 24360.6572446 delta logL = -0.0018179532708 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 24360.6554266 delta logL = -4.14365786128e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .67168E-08 1.0000 .0000 .10000E+07 2 'Index ' .77869 1.0000 .0000 10.000 3 'Normalizat' 1.0688 1.0000 .10000E-01 10.000 4 'Prefactor ' .92558 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM MIGRAD STATUS=CONVERGED 60 CALLS 291 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .30563 .30428E-02** at limit ** 2 Index 4.0825 2.0686 .32042E-04 .0000 3 Normalizat 1.0688 1.1817 -.21594E-05 -.10207E-04 4 Prefactor .92558 1.2692 .96355E-06 .85693E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 4.08253 Normalizat = 1.06879 Prefactor = 0.925575 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 24360.66 FROM HESSE STATUS=FAILED 9 CALLS 300 TOTAL EDM= .68E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .30563 .30428E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.7998 2.3679 .32042E-04 -.18454 3 Normalizat 1.0688 1.1817 -.21594E-05 -.90760 4 Prefactor .92558 1.2692 .96355E-06 -.95253 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.84726e-12 Minuit parameter uncertainties: 1 5.22997e-06 2 2.13509 3 1.21289 4 1.31372 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) = 24360.6554266 delta logL = 2.52839527093e-09 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 5.230e-06 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 4.083e+00 2.135e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.256e-01 1.314e+00 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 1.069e+00 1.213e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 248.923 36.480 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/31177512/cmap_HighResolution_803260801_803865601_4FGL_J1635.6+3628_weekly_bin933.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.58e-03', job_status='DONE', photon_flux_upper_limit='3.28e-08', time_completed='2026-07-09 22:18:06.637186', job_id='31177512', GAL2='0.93', fit_tolerance='1e-08', EG2='1.07', EG='1.07', time_epoch_completed='1783660686.64', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.93', dlogl='2.53e-09', ts2='0.00', photon_index_error='0.00', photon_index='2.67' WHERE bin_id='933' AND source_name='4FGL J1635.6+3628' AND cadence='weekly'; Database successfully updated. Analysis Complete. Thu Jul 9 22:18:07 PDT 2026