/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). GAL_V02 Working on... /lscratch/kocevski/36641695/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits.....................! real 51.35 user 49.56 sys 1.02 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/36641695/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits', '/lscratch/kocevski/36641695/ft2_4FGL_J1615.6+2130_weekly_bin943.fits', expMap='/lscratch/kocevski/36641695/expmap_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits', expCube='/lscratch/kocevski/36641695/ltcube_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/36641695/Model_4FGL_J1615.6+2130_weekly_bin943.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1615.6+2130' 4FGL J1615.6+2130 Spectrum: PowerLaw 274 Prefactor: 3.532e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 275 Index: 2.755e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 276 Scale: 4.684e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/36641695/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits Spacecraft file(s): /lscratch/kocevski/36641695/ft2_4FGL_J1615.6+2130_weekly_bin943.fits Exposure map: /lscratch/kocevski/36641695/expmap_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits Exposure cube: /lscratch/kocevski/36641695/ltcube_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/36641695/Model_4FGL_J1615.6+2130_weekly_bin943.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) = 17786.8359008 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 17785.9194212 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .88818E-09 1.0000 .0000 .10000E+07 2 'Prefactor ' .12716E-02 1.0000 .0000 .10000E+07 3 'norm ' 1.4965 1.0000 .0000 .10000E+07 4 'norm ' .47763E-04 1.0000 .0000 .10000E+07 5 'norm ' 3.3752 1.0000 .0000 .10000E+07 6 'Prefactor ' 2.4752 1.0000 .0000 .10000E+07 7 'norm ' 107.06 1.0000 .0000 .10000E+07 8 'Prefactor ' .96767E-03 1.0000 .0000 .10000E+07 9 'Prefactor ' 23.553 1.0000 .0000 .10000E+07 10 'Prefactor ' .26922E-01 1.0000 .0000 .10000E+07 11 'Prefactor ' .17680E-06 1.0000 .0000 .10000E+07 12 'Prefactor ' .97436E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 6.8947 1.0000 .0000 .10000E+07 14 'Normalizat' 1.0518 1.0000 .10000E-01 10.000 15 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5730E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 17785.92 FROM MIGRAD STATUS=CONVERGED 121 CALLS 814 TOTAL EDM= .37E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 4.6% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .50427 -.49139E-06** at limit ** 2 Prefactor .33862E-08 11.232 -.13486E-05** at limit ** 3 norm 1.4967 1.3257 .44270E-06 .91841E-03 4 norm .0000 4.9698 .69606E-06** at limit ** 5 norm 3.3770 1.2004 .15801E-06 .75534E-02 6 Prefactor 2.4008 6.8118 .21005E-05 .74782E-03 7 norm 106.61 16.812 -.42159E-06 .86832E-01 8 Prefactor .27756E-09 8.1751 -.12556E-05** at limit ** 9 Prefactor 24.299 26.115 -.14241E-05 .12723E-01 10 Prefactor .0000 15.165 -.33586E-06** at limit ** 11 Prefactor .0000 2.5000 -.59273E-06** at limit ** 12 Prefactor .27756E-09 84.136 -.22874E-05** at limit ** 13 Prefactor 6.5416 8.0644 -.12195E-05 -.46793E-01 14 Normalizat 1.0524 .16771 -.23648E-04 .38854E-03 15 Prefactor 1.0648 .90446E-01 .15410E-04 .40512E-03 ERR DEF= .500 Final values: Prefactor = 0 Prefactor = 3.38618e-09 norm = 1.49672 norm = 0 norm = 3.377 Prefactor = 2.40082 norm = 106.61 Prefactor = 2.77556e-10 Prefactor = 24.2992 Prefactor = 0 Prefactor = 0 Prefactor = 2.77556e-10 Prefactor = 6.54161 Normalizat = 1.05242 Prefactor = 1.06485 ********** ** 18 **HESSE ********** FCN= 17785.92 FROM HESSE STATUS=OK 220 CALLS 1034 TOTAL EDM= .12E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .50315 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .33862E-08 11.275 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm 1.4967 1.3242 .87541E-03 -1.5683 4 norm .0000 5.0134 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm 3.3770 1.2010 .55053E-03 -1.5671 6 Prefactor 2.4008 6.8306 .64962E-03 -1.5677 7 norm 106.61 18.728 .96653E-04 -1.5501 8 Prefactor .27756E-09 8.1907 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 24.299 26.479 .20610E-03 -1.5609 10 Prefactor .0000 2.6321 .11494E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor .0000 2.4849 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .27756E-09 81.975 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 6.5416 16.358 .38185E-03 -1.5657 14 Normalizat 1.0524 .14226 .76793E-01 -.91294 15 Prefactor 1.0648 .75960E-01 .39103E-01 -.90598 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.16386e-07 Minuit parameter uncertainties: 1 6.68841e-07 2 0.000389265 3 1.32418 4 2.19939e-05 5 1.20105 6 6.83057 7 18.7282 8 9.29311e-05 9 26.4789 10 1.8738e-06 11 3.25668e-06 12 0.00030802 13 16.3582 14 0.142312 15 0.0759673 number of points = 17387 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1615.6+2130_weekly_bin943 RA = 243.913, Dec = 21.5064 tmin = 809308801, tmax = 809913601 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='36641819', job_status='RUN', time_executed='2026-09-01 12:51:51.224664', time_epoch_executed='1788292311.22' WHERE source_name='4FGL J1615.6+2130' and cadence='weekly' and bin_id='943' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/36641819 Creating custom pfile directory: /lscratch/kocevski/36641819/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=809308801.0 && nMetStart<809913601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=809308801.0 && nMetStart<809913601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/36641819/ft1_4FGL_J1615.6+2130_weekly_bin943.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=809308801.0 && nMetStart<809913601.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/36641819/ft1_4FGL_J1615.6+2130_weekly_bin943.fits outfile=/lscratch/kocevski/36641819/ft1_filteredMKT_4FGL_J1615.6+2130_weekly_bin943.fits ra=243.913 dec=21.5064 rad=12.0 tmin=809308801.0 tmax=809913601.0 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 7.67 user 7.01 sys 0.33 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.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/36641819/ft1_filteredMKT_4FGL_J1615.6+2130_weekly_bin943.fits evtable="EVENTS" outfile="/lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.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 0.70 user 0.24 sys 0.13 Number of photons that the gtmktime cut: 1641 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits" evtable="EVENTS" scfile=/lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits sctable="SC_DATA"Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 17785.9174709 Extracting fit parameters... 4FGL J1615.6+2130 Spectrum: PowerLaw 274 Prefactor: 2.776e-10 9.293e-05 0.000e+00 1.000e+06 ( 1.000e-12) 275 Index: 2.755e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 276 Scale: 4.684e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 570 Prefactor: 1.065e+00 7.597e-02 0.000e+00 1.000e+01 ( 1.000e+00) 571 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 572 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 569 Normalization: 1.052e+00 1.423e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 243.913 21.506 Photon Flux Upper Limit: 6.64382869014e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00524661925053 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/36641695/likelihoodResults_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.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) = 17785.9159139 delta logL = 0.00155703732162 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 17785.1083814 delta logL = 0.809089559123 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .71928E-03 1.0000 .0000 .10000E+07 2 'Index ' 9.9997 1.0000 .0000 10.000 3 'Normalizat' 1.0002 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0823 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5730E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 17785.92 FROM MIGRAD STATUS=CONVERGED 128 CALLS 461 TOTAL EDM= .16E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .17764E-08 1487.9 .42118E-03** at limit ** 2 Index 2.9032 8.4206 .50000 -.11823E-08 3 Normalizat 1.0524 .46889E-01 .76806E-01 .15964E-04 4 Prefactor 1.0648 .25094E-01 .38301E-01 -.91770E-03 ERR DEF= .500 Final values: Prefactor = 1.77636e-09 Index = 2.90325 Normalizat = 1.05241 Prefactor = 1.06485 ********** ** 18 **HESSE ********** FCN= 17785.92 FROM HESSE STATUS=OK 31 CALLS 492 TOTAL EDM= .12E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .17764E-08 24.355 .84235E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.9032 6.3748 .50000 -.43273 3 Normalizat 1.0524 .16609 .33988E-03 -2.2286 4 Prefactor 1.0648 .89629E-01 .18118E-03 -2.2356 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.15827e-09 Minuit parameter uncertainties: 1 0.00041727 2 6.29396 3 0.166173 4 0.0896421 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 17785.9174709 delta logL = -4.22005541623e-10 Extracting fit parameters... 4FGL J1615.6+2130 Spectrum: PowerLaw 274 Prefactor: 1.776e-09 4.173e-04 0.000e+00 1.000e+06 ( 1.000e-12) 275 Index: 2.903e+00 6.294e+00 0.000e+00 1.000e+01 (-1.000e+00) 276 Scale: 4.684e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 570 Prefactor: 1.065e+00 8.964e-02 0.000e+00 1.000e+01 ( 1.000e+00) 571 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 572 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 569 Normalization: 1.052e+00 1.662e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 243.913 21.506 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/36641695/cmap_HighResolution_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='5.25e-03', job_status='DONE', photon_flux_upper_limit='6.64e-08', time_completed='2026-09-01 12:53:46.550370', job_id='36641695', GAL2='1.06', fit_tolerance='1e-08', EG2='1.05', EG='1.05', time_epoch_completed='1788292426.55', return_code2='0', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.06', dlogl='-4.22e-10', ts2='-0.00', photon_index_error='0.00', photon_index='2.76' WHERE bin_id='943' AND source_name='4FGL J1615.6+2130' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Sep 1 12:53:46 PDT 2026 outfile=/lscratch/kocevski/36641819/ltcube_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.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/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits .....................! real 20.01 user 19.20 sys 0.27 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits sctable="SC_DATA" expcube=/lscratch/kocevski/36641819/ltcube_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits outfile=/lscratch/kocevski/36641819/expmap_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.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/36641819/ltcube_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits .....................! real 78.50 user 72.10 sys 4.44 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 175 point sources and 0 extended sources Setting source of interest to: 4FGL J1615.6+2130 @ 243.913 21.5064 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits scfile=/lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits outfile=/lscratch/kocevski/36641819/cmap_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.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=243.913 yref=21.5064 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 0.62 user 0.27 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits scfile=/lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits outfile=/lscratch/kocevski/36641819/cmap_HighResolution_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.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=243.913 yref=21.5064 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 0.61 user 0.26 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/36641819/Model_4FGL_J1615.6+2130_weekly_bin943.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/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits.....................! real 54.77 user 52.20 sys 1.30 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits', '/lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits', expMap='/lscratch/kocevski/36641819/expmap_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits', expCube='/lscratch/kocevski/36641819/ltcube_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/36641819/Model_4FGL_J1615.6+2130_weekly_bin943.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1615.6+2130' 4FGL J1615.6+2130 Spectrum: PowerLaw 274 Prefactor: 3.532e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 275 Index: 2.755e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 276 Scale: 4.684e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/36641819/ft1_filtered_4FGL_J1615.6+2130_weekly_bin943.fits Spacecraft file(s): /lscratch/kocevski/36641819/ft2_4FGL_J1615.6+2130_weekly_bin943.fits Exposure map: /lscratch/kocevski/36641819/expmap_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits Exposure cube: /lscratch/kocevski/36641819/ltcube_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/36641819/Model_4FGL_J1615.6+2130_weekly_bin943.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) = 17786.8359008 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 17785.9194212 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .88818E-09 1.0000 .0000 .10000E+07 2 'Prefactor ' .12716E-02 1.0000 .0000 .10000E+07 3 'norm ' 1.4965 1.0000 .0000 .10000E+07 4 'norm ' .47763E-04 1.0000 .0000 .10000E+07 5 'norm ' 3.3752 1.0000 .0000 .10000E+07 6 'Prefactor ' 2.4752 1.0000 .0000 .10000E+07 7 'norm ' 107.06 1.0000 .0000 .10000E+07 8 'Prefactor ' .96767E-03 1.0000 .0000 .10000E+07 9 'Prefactor ' 23.553 1.0000 .0000 .10000E+07 10 'Prefactor ' .26922E-01 1.0000 .0000 .10000E+07 11 'Prefactor ' .17680E-06 1.0000 .0000 .10000E+07 12 'Prefactor ' .97436E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 6.8947 1.0000 .0000 .10000E+07 14 'Normalizat' 1.0518 1.0000 .10000E-01 10.000 15 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5730E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 17785.92 FROM MIGRAD STATUS=CONVERGED 121 CALLS 814 TOTAL EDM= .37E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 4.6% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .50427 -.49139E-06** at limit ** 2 Prefactor .33862E-08 11.232 -.13486E-05** at limit ** 3 norm 1.4967 1.3257 .44270E-06 .91841E-03 4 norm .0000 4.9698 .69606E-06** at limit ** 5 norm 3.3770 1.2004 .15801E-06 .75534E-02 6 Prefactor 2.4008 6.8118 .21005E-05 .74782E-03 7 norm 106.61 16.812 -.42159E-06 .86832E-01 8 Prefactor .27756E-09 8.1751 -.12556E-05** at limit ** 9 Prefactor 24.299 26.115 -.14241E-05 .12723E-01 10 Prefactor .0000 15.165 -.33586E-06** at limit ** 11 Prefactor .0000 2.5000 -.59273E-06** at limit ** 12 Prefactor .27756E-09 84.136 -.22874E-05** at limit ** 13 Prefactor 6.5416 8.0644 -.12195E-05 -.46793E-01 14 Normalizat 1.0524 .16771 -.23648E-04 .38854E-03 15 Prefactor 1.0648 .90446E-01 .15410E-04 .40512E-03 ERR DEF= .500 Final values: Prefactor = 0 Prefactor = 3.38618e-09 norm = 1.49672 norm = 0 norm = 3.377 Prefactor = 2.40082 norm = 106.61 Prefactor = 2.77556e-10 Prefactor = 24.2992 Prefactor = 0 Prefactor = 0 Prefactor = 2.77556e-10 Prefactor = 6.54161 Normalizat = 1.05242 Prefactor = 1.06485 ********** ** 18 **HESSE ********** FCN= 17785.92 FROM HESSE STATUS=OK 220 CALLS 1034 TOTAL EDM= .12E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .50315 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .33862E-08 11.275 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm 1.4967 1.3242 .87541E-03 -1.5683 4 norm .0000 5.0134 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm 3.3770 1.2010 .55053E-03 -1.5671 6 Prefactor 2.4008 6.8306 .64962E-03 -1.5677 7 norm 106.61 18.728 .96653E-04 -1.5501 8 Prefactor .27756E-09 8.1907 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 24.299 26.479 .20610E-03 -1.5609 10 Prefactor .0000 2.6321 .11494E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor .0000 2.4849 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .27756E-09 81.975 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 6.5416 16.358 .38185E-03 -1.5657 14 Normalizat 1.0524 .14226 .76793E-01 -.91294 15 Prefactor 1.0648 .75960E-01 .39103E-01 -.90598 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.16386e-07 Minuit parameter uncertainties: 1 6.68841e-07 2 0.000389265 3 1.32418 4 2.19939e-05 5 1.20105 6 6.83057 7 18.7282 8 9.29311e-05 9 26.4789 10 1.8738e-06 11 3.25668e-06 12 0.00030802 13 16.3582 14 0.142312 15 0.0759673 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 17785.9174709 Extracting fit parameters... 4FGL J1615.6+2130 Spectrum: PowerLaw 274 Prefactor: 2.776e-10 9.293e-05 0.000e+00 1.000e+06 ( 1.000e-12) 275 Index: 2.755e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 276 Scale: 4.684e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 570 Prefactor: 1.065e+00 7.597e-02 0.000e+00 1.000e+01 ( 1.000e+00) 571 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 572 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 569 Normalization: 1.052e+00 1.423e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 243.913 21.506 Photon Flux Upper Limit: 6.64382869014e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00524661925053 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/36641819/likelihoodResults_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.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) = 17785.9159139 delta logL = 0.00155703732162 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 17785.1083814 delta logL = 0.809089559123 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .71928E-03 1.0000 .0000 .10000E+07 2 'Index ' 9.9997 1.0000 .0000 10.000 3 'Normalizat' 1.0002 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0823 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5730E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 17785.92 FROM MIGRAD STATUS=CONVERGED 128 CALLS 461 TOTAL EDM= .16E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .17764E-08 1487.9 .42118E-03** at limit ** 2 Index 2.9032 8.4206 .50000 -.11823E-08 3 Normalizat 1.0524 .46889E-01 .76806E-01 .15964E-04 4 Prefactor 1.0648 .25094E-01 .38301E-01 -.91770E-03 ERR DEF= .500 Final values: Prefactor = 1.77636e-09 Index = 2.90325 Normalizat = 1.05241 Prefactor = 1.06485 ********** ** 18 **HESSE ********** FCN= 17785.92 FROM HESSE STATUS=OK 31 CALLS 492 TOTAL EDM= .12E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .17764E-08 24.355 .84235E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.9032 6.3748 .50000 -.43273 3 Normalizat 1.0524 .16609 .33988E-03 -2.2286 4 Prefactor 1.0648 .89629E-01 .18118E-03 -2.2356 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.15827e-09 Minuit parameter uncertainties: 1 0.00041727 2 6.29396 3 0.166173 4 0.0896421 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 17785.9174709 delta logL = -4.22005541623e-10 Extracting fit parameters... 4FGL J1615.6+2130 Spectrum: PowerLaw 274 Prefactor: 1.776e-09 4.173e-04 0.000e+00 1.000e+06 ( 1.000e-12) 275 Index: 2.903e+00 6.294e+00 0.000e+00 1.000e+01 (-1.000e+00) 276 Scale: 4.684e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 570 Prefactor: 1.065e+00 8.964e-02 0.000e+00 1.000e+01 ( 1.000e+00) 571 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 572 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 569 Normalization: 1.052e+00 1.662e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 243.913 21.506 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/36641819/cmap_HighResolution_809308801_809913601_4FGL_J1615.6+2130_weekly_bin943.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='5.25e-03', job_status='DONE', photon_flux_upper_limit='6.64e-08', time_completed='2026-09-01 12:59:00.792057', job_id='36641819', GAL2='1.06', fit_tolerance='1e-08', EG2='1.05', EG='1.05', time_epoch_completed='1788292740.79', return_code2='0', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.06', dlogl='-4.22e-10', ts2='-0.00', photon_index_error='0.00', photon_index='2.76' WHERE bin_id='943' AND source_name='4FGL J1615.6+2130' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Sep 1 12:59:00 PDT 2026