Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7323.19586057 Extracting fit parameters... 4FGL J0928.4-0415 Spectrum: PowerLaw 246 Prefactor: 1.937e-08 1.046e-03 0.000e+00 1.000e+06 ( 1.000e-13) 247 Index: 2.566e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 248 Scale: 7.468e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 501 Prefactor: 9.769e-01 1.348e-01 0.000e+00 1.000e+01 ( 1.000e+00) 502 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 503 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 500 Normalization: 9.960e-01 1.805e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 142.120 -4.254 Photon Flux Upper Limit: 6.26874216953e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0048959297112 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31202869/likelihoodResults_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.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) = 7323.19838962 delta logL = -0.00252904439549 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 7323.19586071 delta logL = -1.33485627885e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .17236E-05 1.0000 .0000 .10000E+07 2 'Index ' 3.1309 1.0000 .0000 10.000 3 'Normalizat' .99603 1.0000 .10000E-01 10.000 4 'Prefactor ' .97681 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5040E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 7323.196 FROM MIGRAD STATUS=CONVERGED 38 CALLS 222 TOTAL EDM= .19E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 9.4934 .42118E-03** at limit ** 2 Index 1.5899 .79166 -.46288E-04 .0000 3 Normalizat .99596 1.3259 -.15271E-05 -.36666E-04 4 Prefactor .97686 1.3174 .26123E-05 -.58120E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.58989 Normalizat = 0.995957 Prefactor = 0.976862 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 7323.196 FROM HESSE STATUS=FAILED 9 CALLS 231 TOTAL EDM= .19E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 9.4934 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .23875 1.4320 -.46288E-04 -.75052 3 Normalizat .99596 1.3259 -.15271E-05 -.93166 4 Prefactor .97686 1.3174 .26123E-05 -.93505 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.86434e-12 Minuit parameter uncertainties: 1 7.3709e-06 2 0.797981 3 1.37408 4 1.365 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) = 7323.19586057 delta logL = 6.85759005137e-10 Extracting fit parameters... 4FGL J0928.4-0415 Spectrum: PowerLaw 246 Prefactor: 0.000e+00 7.371e-06 0.000e+00 1.000e+06 ( 1.000e-13) 247 Index: 1.590e+00 7.980e-01 0.000e+00 1.000e+01 (-1.000e+00) 248 Scale: 7.468e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 501 Prefactor: 9.769e-01 1.365e+00 0.000e+00 1.000e+01 ( 1.000e+00) 502 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 503 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 500 Normalization: 9.960e-01 1.374e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 142.120 -4.254 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/31202869/cmap_HighResolution_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.90e-03', job_status='DONE', photon_flux_upper_limit='6.27e-08', time_completed='2026-07-10 06:22:08.243629', job_id='31202869', GAL2='0.98', fit_tolerance='1e-08', EG2='1.00', EG='1.00', time_epoch_completed='1783689728.24', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='6.86e-10', ts2='0.00', photon_index_error='0.00', photon_index='2.57' WHERE bin_id='2177' AND source_name='4FGL J0928.4-0415' AND cadence='daily'; Database successfully updated. Analysis Complete. Fri Jul 10 06:22:08 PDT 2026 /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 = 7650 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0928.4-0415_daily_bin2177 RA = 142.12, Dec = -4.2539 tmin = 803606401, 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='31203165', job_status='RUN', time_executed='2026-07-10 06:22:16.971713', time_epoch_executed='1783689736.97' WHERE source_name='4FGL J0928.4-0415' and cadence='daily' and bin_id='2177' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31203165 Creating custom pfile directory: /lscratch/kocevski/31203165/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803606401.0 && nMetStart<803865601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803606401.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31203165/ft1_4FGL_J0928.4-0415_daily_bin2177.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803606401.0 && nMetStart<803865601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31203165/ft1_4FGL_J0928.4-0415_daily_bin2177.fits outfile=/lscratch/kocevski/31203165/ft1_filteredMKT_4FGL_J0928.4-0415_daily_bin2177.fits ra=142.12 dec=-4.2539 rad=12.0 tmin=803606401.0 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 2.01 user 1.51 sys 0.19 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.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/31203165/ft1_filteredMKT_4FGL_J0928.4-0415_daily_bin2177.fits evtable="EVENTS" outfile="/lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.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 0.60 user 0.20 sys 0.13 Number of photons that the gtmktime cut: 664 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits sctable="SC_DATA" outfile=/lscratch/kocevski/31203165/ltcube_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.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/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits .....................! real 9.55 user 8.98 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits evtable="EVENTS" scfile=/lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31203165/ltcube_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.fits outfile=/lscratch/kocevski/31203165/expmap_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.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/31203165/ltcube_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.fits .....................! real 66.22 user 62.23 sys 3.45 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 154 point sources and 0 extended sources Setting source of interest to: 4FGL J0928.4-0415 @ 142.12 -4.2539 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits scfile=/lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits outfile=/lscratch/kocevski/31203165/cmap_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.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=142.12 yref=-4.2539 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 0.67 user 0.21 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits scfile=/lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits outfile=/lscratch/kocevski/31203165/cmap_HighResolution_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.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=142.12 yref=-4.2539 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 0.21 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits evtable="EVENTS" scfile=/lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31203165/Model_4FGL_J0928.4-0415_daily_bin2177.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/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits.....................! real 28.88 user 27.11 sys 1.28 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits', '/lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits', expMap='/lscratch/kocevski/31203165/expmap_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.fits', expCube='/lscratch/kocevski/31203165/ltcube_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31203165/Model_4FGL_J0928.4-0415_daily_bin2177.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0928.4-0415' 4FGL J0928.4-0415 Spectrum: PowerLaw 246 Prefactor: 5.926e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 247 Index: 2.566e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 248 Scale: 7.468e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31203165/ft1_filtered_4FGL_J0928.4-0415_daily_bin2177.fits Spacecraft file(s): /lscratch/kocevski/31203165/ft2_4FGL_J0928.4-0415_daily_bin2177.fits Exposure map: /lscratch/kocevski/31203165/expmap_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.fits Exposure cube: /lscratch/kocevski/31203165/ltcube_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31203165/Model_4FGL_J0928.4-0415_daily_bin2177.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) = 7323.23868291 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7323.19671945 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 5.0899 1.0000 .0000 .10000E+07 2 'Prefactor ' 4.2272 1.0000 .0000 .10000E+07 3 'Prefactor ' .32656E-03 1.0000 .0000 .10000E+07 4 'norm ' 7.1776 1.0000 .0000 .10000E+07 5 'norm ' .49960E-09 1.0000 .0000 .10000E+07 6 'Prefactor ' .48215E-02 1.0000 .0000 .10000E+07 7 'Prefactor ' 2.9737 1.0000 .0000 .10000E+07 8 'Prefactor ' .10421E-01 1.0000 .0000 .10000E+07 9 'Prefactor ' .0000 1.0000 .0000 .10000E+07 10 'Prefactor ' 14.715 1.0000 .0000 .10000E+07 11 'norm ' .78201E-05 1.0000 .0000 .10000E+07 12 'norm ' .44046E-04 1.0000 .0000 .10000E+07 13 'norm ' .79256 1.0000 .0000 .10000E+07 14 'norm ' 6.9313 1.0000 .0000 .10000E+07 15 'norm ' 18.641 1.0000 .0000 .10000E+07 16 'Prefactor ' 5.5664 1.0000 .0000 .10000E+07 17 'Prefactor ' 24.903 1.0000 .0000 .10000E+07 18 'Normalizat' .99550 1.0000 .10000E-01 10.000 19 'Prefactor ' .97680 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5040E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 7323.196 FROM MIGRAD STATUS=CONVERGED 115 CALLS 1404 TOTAL EDM= .11E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.6% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 5.0871 3.0320 -.12678E-06 .26413E-02 2 Prefactor 4.2381 1.1088 -.29555E-07 .26965E-02 3 Prefactor .0000 3.4957 -.21829E-05** at limit ** 4 norm 7.1571 4.5707 -.79864E-06 -.50457E-03 5 norm .78826E-08 5.3674 -.33944E-05** at limit ** 6 Prefactor .13323E-07 8.2978 -.40295E-05** at limit ** 7 Prefactor 2.9743 3.2433 -.13876E-06 -.17235E-02 8 Prefactor .19373E-07 14.126 .50841E-06** at limit ** 9 Prefactor .11435E-07 6.0114 .75685E-05** at limit ** 10 Prefactor 14.591 1.0906 -.20446E-06 .18257E-01 11 norm .55511E-10 4.0401 .94995E-06** at limit ** 12 norm .0000 3.2536 .27064E-05** at limit ** 13 norm .79228 .52668 .51979E-06 .44549E-02 14 norm 6.9304 2.4508 -.20653E-06 -.19719E-02 15 norm 18.614 1.0694 -.13177E-06 -.15208E-02 16 Prefactor 5.1479 37.534 -.16294E-04 .27292E-01 17 Prefactor 24.723 8.2337 -.15227E-05 -.20472 18 Normalizat .99596 .21081 -.41809E-05 .59703E-04 19 Prefactor .97686 .15699 -.35011E-05 .85401E-04 ERR DEF= .500 Final values: norm = 5.08711 Prefactor = 4.23814 Prefactor = 0 norm = 7.15707 norm = 7.88258e-09 Prefactor = 1.33227e-08 Prefactor = 2.9743 Prefactor = 1.93734e-08 Prefactor = 1.14353e-08 Prefactor = 14.5906 norm = 5.55112e-11 norm = 0 norm = 0.792283 norm = 6.93037 norm = 18.614 Prefactor = 5.14794 Prefactor = 24.723 Normalizat = 0.995957 Prefactor = 0.976862 ********** ** 18 **HESSE ********** FCN= 7323.196 FROM HESSE STATUS=OK 306 CALLS 1710 TOTAL EDM= .15E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 5.0871 3.1363 .44543E-03 -1.5663 2 Prefactor 4.2381 10.468 .48987E-03 -1.5667 3 Prefactor .0000 3.4906 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm 7.1571 4.5644 .37417E-03 -1.5654 5 norm .78826E-08 5.3560 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .13323E-07 8.3067 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 2.9743 3.2514 .58853E-03 -1.5673 8 Prefactor .19373E-07 14.138 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .11435E-07 6.0284 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 14.591 26.769 .26084E-03 -1.5632 11 norm .55511E-10 4.0359 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm .0000 3.2158 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 norm .79228 .53138 .53491E-03 -1.5690 14 norm 6.9304 2.4521 .38083E-03 -1.5655 15 norm 18.614 12.752 .23170E-03 -1.5622 16 Prefactor 5.1479 48.310 .42559E-03 -1.5663 17 Prefactor 24.723 26.316 .20043E-03 -1.5609 18 Normalizat .99596 .18039 .46110E-01 -.93166 19 Prefactor .97686 .13473 .45977E-01 -.93505 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.49111e-06 Minuit parameter uncertainties: 1 3.13626 2 10.4685 3 9.92127e-06 4 4.56443 5 0.000410719 6 0.000665164 7 3.25136 8 0.00104609 9 0.000525104 10 26.7697 11 2.51674e-05 12 8.99882e-06 13 0.531382 14 2.45208 15 12.7524 16 31.5406 17 26.3163 18 0.180501 19 0.134774 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7323.19586057 Extracting fit parameters... 4FGL J0928.4-0415 Spectrum: PowerLaw 246 Prefactor: 1.937e-08 1.046e-03 0.000e+00 1.000e+06 ( 1.000e-13) 247 Index: 2.566e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 248 Scale: 7.468e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 501 Prefactor: 9.769e-01 1.348e-01 0.000e+00 1.000e+01 ( 1.000e+00) 502 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 503 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 500 Normalization: 9.960e-01 1.805e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 142.120 -4.254 Photon Flux Upper Limit: 6.26874216953e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.0048959297112 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31203165/likelihoodResults_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.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) = 7323.19838962 delta logL = -0.00252904439549 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 7323.19586071 delta logL = -1.33485627885e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .17236E-05 1.0000 .0000 .10000E+07 2 'Index ' 3.1309 1.0000 .0000 10.000 3 'Normalizat' .99603 1.0000 .10000E-01 10.000 4 'Prefactor ' .97681 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5040E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 7323.196 FROM MIGRAD STATUS=CONVERGED 38 CALLS 222 TOTAL EDM= .19E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 9.4934 .42118E-03** at limit ** 2 Index 1.5899 .79166 -.46288E-04 .0000 3 Normalizat .99596 1.3259 -.15271E-05 -.36666E-04 4 Prefactor .97686 1.3174 .26123E-05 -.58120E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.58989 Normalizat = 0.995957 Prefactor = 0.976862 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 7323.196 FROM HESSE STATUS=FAILED 9 CALLS 231 TOTAL EDM= .19E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 9.4934 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .23875 1.4320 -.46288E-04 -.75052 3 Normalizat .99596 1.3259 -.15271E-05 -.93166 4 Prefactor .97686 1.3174 .26123E-05 -.93505 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.86434e-12 Minuit parameter uncertainties: 1 7.3709e-06 2 0.797981 3 1.37408 4 1.365 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) = 7323.19586057 delta logL = 6.85759005137e-10 Extracting fit parameters... 4FGL J0928.4-0415 Spectrum: PowerLaw 246 Prefactor: 0.000e+00 7.371e-06 0.000e+00 1.000e+06 ( 1.000e-13) 247 Index: 1.590e+00 7.980e-01 0.000e+00 1.000e+01 (-1.000e+00) 248 Scale: 7.468e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 501 Prefactor: 9.769e-01 1.365e+00 0.000e+00 1.000e+01 ( 1.000e+00) 502 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 503 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 500 Normalization: 9.960e-01 1.374e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 142.120 -4.254 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/31203165/cmap_HighResolution_803606401_803865601_4FGL_J0928.4-0415_daily_bin2177.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.90e-03', job_status='DONE', photon_flux_upper_limit='6.27e-08', time_completed='2026-07-10 06:27:34.184274', job_id='31203165', GAL2='0.98', fit_tolerance='1e-08', EG2='1.00', EG='1.00', time_epoch_completed='1783690054.18', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='6.86e-10', ts2='0.00', photon_index_error='0.00', photon_index='2.57' WHERE bin_id='2177' AND source_name='4FGL J0928.4-0415' AND cadence='daily'; Database successfully updated. Analysis Complete. Fri Jul 10 06:27:34 PDT 2026