/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 = 17429 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1521.8+4338_weekly_bin942 RA = 230.464, Dec = 43.6344 tmin = 808704001, tmax = 809308801 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='35815986', job_status='RUN', time_executed='2026-08-25 12:00:32.479593', time_epoch_executed='1787684432.48' WHERE source_name='4FGL J1521.8+4338' and cadence='weekly' and bin_id='942' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/35815986 Creating custom pfile directory: /lscratch/kocevski/35815986/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=808704001.0 && nMetStart<809308801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=808704001.0 && nMetStart<809308801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/35815986/ft1_4FGL_J1521.8+4338_weekly_bin942.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=808704001.0 && nMetStart<809308801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/35815986/ft1_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35815986/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin942.fits ra=230.464 dec=43.6344 rad=12.0 tmin=808704001.0 tmax=809308801.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 6.28 user 4.95 sys 0.25 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.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/35815986/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin942.fits evtable="EVENTS" outfile="/lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.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 0.79 user 0.24 sys 0.13 Number of photons that the gtmktime cut: 1276 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits" evtable="EVENTS" scfile=/lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits sctable="SC_DATA"number of points = 17429 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1521.8+4338_weekly_bin942 RA = 230.464, Dec = 43.6344 tmin = 808704001, tmax = 809308801 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='35816199', job_status='RUN', time_executed='2026-08-25 12:01:50.749930', time_epoch_executed='1787684510.75' WHERE source_name='4FGL J1521.8+4338' and cadence='weekly' and bin_id='942' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/35816199 Creating custom pfile directory: /lscratch/kocevski/35816199/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=808704001.0 && nMetStart<809308801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=808704001.0 && nMetStart<809308801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/35816199/ft1_4FGL_J1521.8+4338_weekly_bin942.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=808704001.0 && nMetStart<809308801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/35816199/ft1_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35816199/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin942.fits ra=230.464 dec=43.6344 rad=12.0 tmin=808704001.0 tmax=809308801.0 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 4.50 user 4.08 sys 0.20 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.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/35816199/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin942.fits evtable="EVENTS" outfile="/lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.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 0.61 user 0.19 sys 0.13 Number of photons that the gtmktime cut: 1276 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits" evtable="EVENTS" scfile=/lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits sctable="SC_DATA" outfile=/lscratch/kocevski/35815986/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits .....................! real 20.33 user 19.40 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits evtable="EVENTS" scfile=/lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits sctable="SC_DATA" expcube=/lscratch/kocevski/35815986/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35815986/expmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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/35815986/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits .....................! real 76.66 user 71.09 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 196 point sources and 0 extended sources Setting source of interest to: 4FGL J1521.8+4338 @ 230.464 43.6344 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits scfile=/lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35815986/cmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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=230.464 yref=43.6344 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 0.69 user 0.24 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits scfile=/lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35815986/cmap_HighResolution_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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=230.464 yref=43.6344 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 0.70 user 0.26 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits evtable="EVENTS" scfile=/lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/35815986/Model_4FGL_J1521.8+4338_weekly_bin942.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/35816199/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits .....................! real 16.09 user 15.44 sys 0.21 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits evtable="EVENTS" scfile=/lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits sctable="SC_DATA" expcube=/lscratch/kocevski/35816199/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35816199/expmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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/35816199/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits .....................! real 66.21 user 61.99 sys 3.76 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 196 point sources and 0 extended sources Setting source of interest to: 4FGL J1521.8+4338 @ 230.464 43.6344 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits scfile=/lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35816199/cmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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=230.464 yref=43.6344 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 0.60 user 0.22 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits scfile=/lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits outfile=/lscratch/kocevski/35816199/cmap_HighResolution_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.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=230.464 yref=43.6344 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 0.56 user 0.22 sys 0.15 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits evtable="EVENTS" scfile=/lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/35816199/Model_4FGL_J1521.8+4338_weekly_bin942.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/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits.....................! real 38.82 user 37.11 sys 1.12 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits', '/lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits', expMap='/lscratch/kocevski/35816199/expmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits', expCube='/lscratch/kocevski/35816199/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/35816199/Model_4FGL_J1521.8+4338_weekly_bin942.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1521.8+4338' 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 3.344e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.936e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/35816199/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits Spacecraft file(s): /lscratch/kocevski/35816199/ft2_4FGL_J1521.8+4338_weekly_bin942.fits Exposure map: /lscratch/kocevski/35816199/expmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits Exposure cube: /lscratch/kocevski/35816199/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/35816199/Model_4FGL_J1521.8+4338_weekly_bin942.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) = 14319.0565021 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14318.953723 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 5.3359 1.0000 .0000 .10000E+07 2 'Prefactor ' .14485E-01 1.0000 .0000 .10000E+07 3 'norm ' 5.9796 1.0000 .0000 .10000E+07 4 'Prefactor ' 12.194 1.0000 .0000 .10000E+07 5 'norm ' 6.3076 1.0000 .0000 .10000E+07 6 'Prefactor ' 9.3190 1.0000 .0000 .10000E+07 7 'norm ' 1.1465 1.0000 .0000 .10000E+07 8 'Prefactor ' 4.4389 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.0051 1.0000 .0000 .10000E+07 10 'norm ' .12585 1.0000 .0000 .10000E+07 11 'norm ' 1.7230 1.0000 .0000 .10000E+07 12 'Prefactor ' .51065E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 15.982 1.0000 .0000 .10000E+07 14 'Prefactor ' 3.5696 1.0000 .0000 .10000E+07 15 'Prefactor ' .44405E-02 1.0000 .0000 .10000E+07 16 'norm ' 3.3256 1.0000 .0000 .10000E+07 17 'norm ' .71290E-01 1.0000 .0000 .10000E+07 18 'Prefactor ' .22014E-03 1.0000 .0000 .10000E+07 19 'Prefactor ' .29210E-06 1.0000 .0000 .10000E+07 20 'Prefactor ' .96622E-05 1.0000 .0000 .10000E+07 21 'Prefactor ' 2.9009 1.0000 .0000 .10000E+07 22 'Prefactor ' .30681E-03 1.0000 .0000 .10000E+07 23 'Normalizat' .96047 1.0000 .10000E-01 10.000 24 'Prefactor ' 1.0686 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6290E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 14318.95 FROM MIGRAD STATUS=CONVERGED 159 CALLS 1611 TOTAL EDM= .12E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.1% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 5.6266 2.5385 .57671E-07 -.45736E-02 2 Prefactor .44409E-09 16.334 .19242E-07** at limit ** 3 norm 6.0006 4.8520 -.64071E-07 .40644E-02 4 Prefactor 12.262 5.3281 -.56629E-07 .69772E-01 5 norm 6.2801 5.0528 .96539E-07 .78597E-02 6 Prefactor 9.3146 7.1943 -.15103E-06 -.90474E-01 7 norm 1.1472 .83730 .70548E-07 .23800E-02 8 Prefactor 4.4512 4.2288 .27793E-06 .50028E-02 9 Prefactor 6.9873 4.3398 .51422E-07 -.88696E-03 10 norm .11322 1.4175 -.23214E-06** at limit ** 11 norm 1.7268 1.7617 .81796E-07 .32659E-03 12 Prefactor .61895E-07 4.2522 -.21203E-06** at limit ** 13 Prefactor 19.968 40.450 .22079E-07 -.13458E-02 14 Prefactor 3.4798 11.186 .69428E-07 .35226E-01 15 Prefactor .12401E-06 11.803 -.10859E-05** at limit ** 16 norm 3.3221 1.1875 -.42371E-07 -.27339E-02 17 norm .83604E-01 .69636 .40892E-08** at limit ** 18 Prefactor .20201E-06 3.6549 -.18810E-06** at limit ** 19 Prefactor .48850E-08 6.5660 -.22179E-06** at limit ** 20 Prefactor .0000 1.6467 -.17577E-06** at limit ** 21 Prefactor 2.8357 8.6083 .12468E-06 -.10918E-01 22 Prefactor .11102E-09 2.9073 -.38148E-06** at limit ** 23 Normalizat .95991 .13586 .28600E-05 .93243E-04 24 Prefactor 1.0682 .14159 -.20924E-05 .65578E-04 ERR DEF= .500 Final values: Prefactor = 5.62656 Prefactor = 4.44089e-10 norm = 6.00057 Prefactor = 12.2619 norm = 6.28014 Prefactor = 9.31462 norm = 1.14719 Prefactor = 4.45122 Prefactor = 6.98728 norm = 0.113218 norm = 1.72681 Prefactor = 6.18949e-08 Prefactor = 19.9684 Prefactor = 3.47984 Prefactor = 1.24012e-07 norm = 3.32213 norm = 0.0836036 Prefactor = 2.02005e-07 Prefactor = 4.88498e-09 Prefactor = 0 Prefactor = 2.83571 Prefactor = 1.11022e-10 Normalizat = 0.959908 Prefactor = 1.06816 e GAL_V02 Working on... /lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits.....................! real 43.21 user 41.38 sys 0.79 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits', '/lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits', expMap='/lscratch/kocevski/35815986/expmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits', expCube='/lscratch/kocevski/35815986/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/35815986/Model_4FGL_J1521.8+4338_weekly_bin942.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1521.8+4338' 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 3.344e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.936e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/35815986/ft1_filtered_4FGL_J1521.8+4338_weekly_bin942.fits Spacecraft file(s): /lscratch/kocevski/35815986/ft2_4FGL_J1521.8+4338_weekly_bin942.fits Exposure map: /lscratch/kocevski/35815986/expmap_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits Exposure cube: /lscratch/kocevski/35815986/ltcube_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/35815986/Model_4FGL_J1521.8+4338_weekly_bin942.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) = 14319.0565021 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14318.953723 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 5.3359 1.0000 .0000 .10000E+07 2 'Prefactor ' .14485E-01 1.0000 .0000 .10000E+07 3 'norm ' 5.9796 1.0000 .0000 .10000E+07 4 'Prefactor ' 12.194 1.0000 .0000 .10000E+07 5 'norm ' 6.3076 1.0000 .0000 .10000E+07 6 'Prefactor ' 9.3190 1.0000 .0000 .10000E+07 7 'norm ' 1.1465 1.0000 .0000 .10000E+07 8 'Prefactor ' 4.4389 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.0051 1.0000 .0000 .10000E+07 10 'norm ' .12585 1.0000 .0000 .10000E+07 11 'norm ' 1.7230 1.0000 .0000 .10000E+07 12 'Prefactor ' .51065E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 15.982 1.0000 .0000 .10000E+07 14 'Prefactor ' 3.5696 1.0000 .0000 .10000E+07 15 'Prefactor ' .44405E-02 1.0000 .0000 .10000E+07 16 'norm ' 3.3256 1.0000 .0000 .10000E+07 17 'norm ' .71290E-01 1.0000 .0000 .10000E+07 18 'Prefactor ' .22014E-03 1.0000 .0000 .10000E+07 19 'Prefactor ' .29210E-06 1.0000 .0000 .10000E+07 20 'Prefactor ' .96622E-05 1.0000 .0000 .10000E+07 21 'Prefactor ' 2.9009 1.0000 .0000 .10000E+07 22 'Prefactor ' .30681E-03 1.0000 .0000 .10000E+07 23 'Normalizat' .96047 1.0000 .10000E-01 10.000 24 'Prefactor ' 1.0686 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6290E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 14318.95 FROM MIGRAD STATUS=CONVERGED 159 CALLS 1611 TOTAL EDM= .12E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.1% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 5.6266 2.5385 .57671E-07 -.45736E-02 2 Prefactor .44409E-09 16.334 .19242E-07** at limit ** 3 norm 6.0006 4.8520 -.64071E-07 .40644E-02 4 Prefactor 12.262 5.3281 -.56629E-07 .69772E-01 5 norm 6.2801 5.0528 .96539E-07 .78597E-02 6 Prefactor 9.3146 7.1943 -.15103E-06 -.90474E-01 7 norm 1.1472 .83730 .70548E-07 .23800E-02 8 Prefactor 4.4512 4.2288 .27793E-06 .50028E-02 9 Prefactor 6.9873 4.3398 .51422E-07 -.88696E-03 10 norm .11322 1.4175 -.23214E-06** at limit ** 11 norm 1.7268 1.7617 .81796E-07 .32659E-03 12 Prefactor .61895E-07 4.2522 -.21203E-06** at limit ** 13 Prefactor 19.968 40.450 .22079E-07 -.13458E-02 14 Prefactor 3.4798 11.186 .69428E-07 .35226E-01 15 Prefactor .12401E-06 11.803 -.10859E-05** at limit ** 16 norm 3.3221 1.1875 -.42371E-07 -.27339E-02 17 norm .83604E-01 .69636 .40892E-08** at limit ** 18 Prefactor .20201E-06 3.6549 -.18810E-06** at limit ** 19 Prefactor .48850E-08 6.5660 -.22179E-06** at limit ** 20 Prefactor .0000 1.6467 -.17577E-06** at limit ** 21 Prefactor 2.8357 8.6083 .12468E-06 -.10918E-01 22 Prefactor .11102E-09 2.9073 -.38148E-06** at limit ** 23 Normalizat .95991 .13586 .28600E-05 .93243E-04 24 Prefactor 1.0682 .14159 -.20924E-05 .65578E-04 ERR DEF= .500 Final values: Prefactor = 5.62656 Prefactor = 4.44089e-10 norm = 6.00057 Prefactor = 12.2619 norm = 6.28014 Prefactor = 9.31462 norm = 1.14719 Prefactor = 4.45122 Prefactor = 6.98728 norm = 0.113218 norm = 1.72681 Prefactor = 6.18949e-08 Prefactor = 19.9684 Prefactor = 3.47984 Prefactor = 1.24012e-07 norm = 3.32213 norm = 0.0836036 Prefactor = 2.02005e-07 Prefactor = 4.88498e-09 Prefactor = 0 Prefactor = 2.83571 Prefactor = 1.11022e-10 Normalizat = 0.959908 Prefactor = 1.06816 ********** ** 18 **HESSE ********** FCN= 14318.95 FROM HESSE STATUS=OK 459 CALLS 2070 TOTAL EDM= .26E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 5.6266 16.441 .43484E-03 -1.5661 2 Prefactor .44409E-09 16.339 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm 6.0006 4.8628 .41039E-03 -1.5659 4 Prefactor 12.262 10.150 .28662E-03 -1.5638 5 norm 6.2801 5.0732 .39943E-03 -1.5658 6 Prefactor 9.3146 8.3152 .32805E-03 -1.5647 7 norm 1.1472 .83265 .10823E-02 -1.5687 8 Prefactor 4.4512 4.3193 .47772E-03 -1.5666 9 Prefactor 6.9873 4.3451 .37880E-03 -1.5655 10 norm .11322 .57372 .26662E-02 -1.5701 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm 1.7268 1.7706 .79984E-03 -1.5682 12 Prefactor .61895E-07 4.8057 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 19.968 40.714 .25026E-03 -1.5619 14 Prefactor 3.4798 13.545 .53467E-03 -1.5671 15 Prefactor .12401E-06 12.310 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 3.3221 1.1898 .55482E-03 -1.5672 17 norm .83604E-01 4.4449 .81485E-02 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .20201E-06 4.9680 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor .48850E-08 6.5688 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .0000 1.6460 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor 2.8357 10.327 .59634E-03 -1.5674 22 Prefactor .11102E-09 2.8441 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Normalizat .95991 .11820 .45670E-01 -.94386 24 Prefactor 1.0682 .12075 .38923E-01 -.90491 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.55066e-07 Minuit parameter uncertainties: 1 16.4416 2 0.000169272 3 4.86284 4 10.1503 5 5.07319 6 8.31525 7 0.832648 8 4.31929 9 4.34511 10 0.50973 11 1.77064 12 0.00109081 13 40.7142 14 13.5448 15 0.002471 16 1.18978 17 1.21919 18 0.00200352 19 0.000357434 20 5.30343e-06 21 10.3275 22 3.54816e-05 23 0.118233 24 0.120785 ********** ** 18 **HESSE ********** FCN= 14318.95 FROM HESSE STATUS=OK 459 CALLS 2070 TOTAL EDM= .26E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 5.6266 16.441 .43484E-03 -1.5661 2 Prefactor .44409E-09 16.339 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm 6.0006 4.8628 .41039E-03 -1.5659 4 Prefactor 12.262 10.150 .28662E-03 -1.5638 5 norm 6.2801 5.0732 .39943E-03 -1.5658 6 Prefactor 9.3146 8.3152 .32805E-03 -1.5647 7 norm 1.1472 .83265 .10823E-02 -1.5687 8 Prefactor 4.4512 4.3193 .47772E-03 -1.5666 9 Prefactor 6.9873 4.3451 .37880E-03 -1.5655 10 norm .11322 .57372 .26662E-02 -1.5701 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm 1.7268 1.7706 .79984E-03 -1.5682 12 Prefactor .61895E-07 4.8057 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 19.968 40.714 .25026E-03 -1.5619 14 Prefactor 3.4798 13.545 .53467E-03 -1.5671 15 Prefactor .12401E-06 12.310 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 3.3221 1.1898 .55482E-03 -1.5672 17 norm .83604E-01 4.4449 .81485E-02 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .20201E-06 4.9680 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor .48850E-08 6.5688 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .0000 1.6460 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor 2.8357 10.327 .59634E-03 -1.5674 22 Prefactor .11102E-09 2.8441 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Normalizat .95991 .11820 .45670E-01 -.94386 24 Prefactor 1.0682 .12075 .38923E-01 -.90491 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.55066e-07 Minuit parameter uncertainties: 1 16.4416 2 0.000169272 3 4.86284 4 10.1503 5 5.07319 6 8.31525 7 0.832648 8 4.31929 9 4.34511 10 0.50973 11 1.77064 12 0.00109081 13 40.7142 14 13.5448 15 0.002471 16 1.18978 17 1.21919 18 0.00200352 19 0.000357434 20 5.30343e-06 21 10.3275 22 3.54816e-05 23 0.118233 24 0.120785 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14318.9476873 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 1.240e-07 2.471e-03 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.936e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 626 Prefactor: 1.068e+00 1.208e-01 0.000e+00 1.000e+01 ( 1.000e+00) 627 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 628 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 625 Normalization: 9.599e-01 1.182e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 230.464 43.634 Photon Flux Upper Limit: 5.60889744084e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.004472547676 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/35816199/likelihoodResults_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 14318.9493462 delta logL = -0.00165896001272 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 14318.9476903 delta logL = -3.04715467792e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .89657E-05 1.0000 .0000 .10000E+07 2 'Index ' 3.3205 1.0000 .0000 10.000 3 'Normalizat' .96014 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0680 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6290E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14318.95 FROM MIGRAD STATUS=CONVERGED 44 CALLS 237 TOTAL EDM= .11E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 8.0906 .42118E-03** at limit ** 2 Index 2.5673 .93037 -.23648E-04 .0000 3 Normalizat .95991 1.2922 .87713E-05 .10217E-03 4 Prefactor 1.0682 1.1729 -.24178E-05 .99574E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 2.56732 Normalizat = 0.959908 Prefactor = 1.06816 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14318.95 FROM HESSE STATUS=FAILED 9 CALLS 246 TOTAL EDM= .11E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 8.0906 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .74438 1.8787 -.23648E-04 -.50812 3 Normalizat .95991 1.2922 .87713E-05 -.94386 4 Prefactor 1.0682 1.1729 -.24178E-05 -.90491 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.12823e-11 Minuit parameter uncertainties: 1 4.25802e-06 2 0.937552 3 1.33818 4 1.20313 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) = 14318.9476873 delta logL = 5.00767782796e-09 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 0.000e+00 4.258e-06 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.567e+00 9.376e-01 0.000e+00 1.000e+01 (-1.000e+00) 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 626 Prefactor: 1.068e+00 1.203e+00 0.000e+00 1.000e+01 ( 1.000e+00) 627 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 628 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 625 Normalization: 9.599e-01 1.338e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 230.464 43.634 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/35816199/cmap_HighResolution_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.47e-03', job_status='DONE', photon_flux_upper_limit='5.61e-08', time_completed='2026-08-25 12:09:04.923900', job_id='35816199', GAL2='1.07', fit_tolerance='1e-08', EG2='0.96', EG='0.96', time_epoch_completed='1787684944.92', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='5.01e-09', ts2='0.00', photon_index_error='0.00', photon_index='2.94' WHERE bin_id='942' AND source_name='4FGL J1521.8+4338' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Aug 25 12:09:05 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14318.9476873 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 1.240e-07 2.471e-03 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.936e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 626 Prefactor: 1.068e+00 1.208e-01 0.000e+00 1.000e+01 ( 1.000e+00) 627 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 628 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 625 Normalization: 9.599e-01 1.182e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 230.464 43.634 Photon Flux Upper Limit: 5.60889744084e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.004472547676 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/35815986/likelihoodResults_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 14318.9493462 delta logL = -0.00165896001272 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 14318.9476903 delta logL = -3.04715467792e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .89657E-05 1.0000 .0000 .10000E+07 2 'Index ' 3.3205 1.0000 .0000 10.000 3 'Normalizat' .96014 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0680 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6290E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14318.95 FROM MIGRAD STATUS=CONVERGED 44 CALLS 237 TOTAL EDM= .11E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 8.0906 .42118E-03** at limit ** 2 Index 2.5673 .93037 -.23648E-04 .0000 3 Normalizat .95991 1.2922 .87713E-05 .10217E-03 4 Prefactor 1.0682 1.1729 -.24178E-05 .99574E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 2.56732 Normalizat = 0.959908 Prefactor = 1.06816 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14318.95 FROM HESSE STATUS=FAILED 9 CALLS 246 TOTAL EDM= .11E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 8.0906 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .74438 1.8787 -.23648E-04 -.50812 3 Normalizat .95991 1.2922 .87713E-05 -.94386 4 Prefactor 1.0682 1.1729 -.24178E-05 -.90491 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.12823e-11 Minuit parameter uncertainties: 1 4.25802e-06 2 0.937552 3 1.33818 4 1.20313 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) = 14318.9476873 delta logL = 5.00767782796e-09 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 0.000e+00 4.258e-06 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.567e+00 9.376e-01 0.000e+00 1.000e+01 (-1.000e+00) 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 626 Prefactor: 1.068e+00 1.203e+00 0.000e+00 1.000e+01 ( 1.000e+00) 627 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 628 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 625 Normalization: 9.599e-01 1.338e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 230.464 43.634 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/35815986/cmap_HighResolution_808704001_809308801_4FGL_J1521.8+4338_weekly_bin942.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.47e-03', job_status='DONE', photon_flux_upper_limit='5.61e-08', time_completed='2026-08-25 12:09:37.743045', job_id='35815986', GAL2='1.07', fit_tolerance='1e-08', EG2='0.96', EG='0.96', time_epoch_completed='1787684977.74', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='5.01e-09', ts2='0.00', photon_index_error='0.00', photon_index='2.94' WHERE bin_id='942' AND source_name='4FGL J1521.8+4338' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Aug 25 12:09:37 PDT 2026