/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 = 17444 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0824.9+3915_weekly_bin922 RA = 126.236, Dec = 39.2574 tmin = 796608001, tmax = 797212801 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='24929877', job_status='RUN', time_executed='2026-04-07 00:42:27.578380', time_epoch_executed='1775547747.58' WHERE source_name='4FGL J0824.9+3915' and cadence='weekly' and bin_id='922' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/24929877 Creating custom pfile directory: /lscratch/kocevski/24929877/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/24929877/ft1_4FGL_J0824.9+3915_weekly_bin922.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/24929877/ft1_4FGL_J0824.9+3915_weekly_bin922.fits outfile=/lscratch/kocevski/24929877/ft1_filteredMKT_4FGL_J0824.9+3915_weekly_bin922.fits ra=126.236 dec=39.2574 rad=12.0 tmin=796608001.0 tmax=797212801.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 5.79 user 4.58 sys 0.22 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.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/24929877/ft1_filteredMKT_4FGL_J0824.9+3915_weekly_bin922.fits evtable="EVENTS" outfile="/lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits" apply_filter=yes overwrite=yes header_obstimes=yes tstart=0.0 tstop=0.0 gtifile="default" chatter=3 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtmktime version HEAD Applying GTI filter: IN_SAA!=T && LIVETIME>0 && gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nogrb.gti',(START+STOP)/2) && (angsep(RA_SUN,DEC_SUN,RA_ZENITH,DEC_ZENITH)>115 || gtifilter('/sdf/group/fermi/g/LCRepository/Likelihood/GTIs/nosolarflares.gti',(START+STOP)/2)) real 0.94 user 0.24 sys 0.13 Number of photons that the gtmktime cut: 1504 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits" evtable="EVENTS" scfile=/lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits sctable="SC_DATA" outfile=/lscratch/kocevski/24929877/ltcube_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.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/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits .....................! real 20.93 user 19.72 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits evtable="EVENTS" scfile=/lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits sctable="SC_DATA" expcube=/lscratch/kocevski/24929877/ltcube_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.fits outfile=/lscratch/kocevski/24929877/expmap_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.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/24929877/ltcube_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.fits .....................! real 73.17 user 67.80 sys 4.04 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 J0824.9+3915 @ 126.236 39.2574 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits scfile=/lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits outfile=/lscratch/kocevski/24929877/cmap_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.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=126.236 yref=39.2574 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 0.74 user 0.23 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits scfile=/lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits outfile=/lscratch/kocevski/24929877/cmap_HighResolution_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.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=126.236 yref=39.2574 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 0.76 user 0.26 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits evtable="EVENTS" scfile=/lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/24929877/Model_4FGL_J0824.9+3915_weekly_bin922.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/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits.....................! real 59.40 user 57.06 sys 1.04 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits', '/lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits', expMap='/lscratch/kocevski/24929877/expmap_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.fits', expCube='/lscratch/kocevski/24929877/ltcube_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/24929877/Model_4FGL_J0824.9+3915_weekly_bin922.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0824.9+3915' 4FGL J0824.9+3915 Spectrum: PowerLaw 314 Prefactor: 1.301e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 315 Index: 2.432e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 316 Scale: 8.513e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/24929877/ft1_filtered_4FGL_J0824.9+3915_weekly_bin922.fits Spacecraft file(s): /lscratch/kocevski/24929877/ft2_4FGL_J0824.9+3915_weekly_bin922.fits Exposure map: /lscratch/kocevski/24929877/expmap_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.fits Exposure cube: /lscratch/kocevski/24929877/ltcube_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/24929877/Model_4FGL_J0824.9+3915_weekly_bin922.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) = 16652.8537436 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 16652.6705175 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .25901E-03 1.0000 .0000 .10000E+07 2 'Prefactor ' .44813E-03 1.0000 .0000 .10000E+07 3 'norm ' .30399E-03 1.0000 .0000 .10000E+07 4 'norm ' .21471E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' .70340E-04 1.0000 .0000 .10000E+07 6 'Prefactor ' 12.400 1.0000 .0000 .10000E+07 7 'Prefactor ' 17.620 1.0000 .0000 .10000E+07 8 'Prefactor ' .61771E-02 1.0000 .0000 .10000E+07 9 'norm ' 1.8350 1.0000 .0000 .10000E+07 10 'Prefactor ' 2.7124 1.0000 .0000 .10000E+07 11 'Prefactor ' .16820E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .14211E-06 1.0000 .0000 .10000E+07 13 'Prefactor ' 11.602 1.0000 .0000 .10000E+07 14 'Prefactor ' .39458E-04 1.0000 .0000 .10000E+07 15 'norm ' 3.7402 1.0000 .0000 .10000E+07 16 'Prefactor ' 26.961 1.0000 .0000 .10000E+07 17 'Prefactor ' 1.8558 1.0000 .0000 .10000E+07 18 'Prefactor ' .37076E-04 1.0000 .0000 .10000E+07 19 'norm ' .38194E-01 1.0000 .0000 .10000E+07 20 'norm ' 4.0379 1.0000 .0000 .10000E+07 21 'Prefactor ' .15942E-02 1.0000 .0000 .10000E+07 22 'Normalizat' 1.0698 1.0000 .10000E-01 10.000 23 'Prefactor ' 1.0630 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6250E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 16652.67 FROM MIGRAD STATUS=CONVERGED 159 CALLS 1567 TOTAL EDM= .10E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .79936E-08 1.4563 -.38103E-07** at limit ** 2 Prefactor .98255E-08 2.8046 .68384E-06** at limit ** 3 norm .42977E-06 33.224 -.28326E-06** at limit ** 4 norm .91038E-08 3.1516 .15472E-06** at limit ** 5 Prefactor .22760E-08 2.1948 .55233E-06** at limit ** 6 Prefactor 11.635 15.848 .33982E-06 .38651E-01 7 Prefactor 17.603 4.7711 .14823E-06 -.69945E-02 8 Prefactor .46074E-08 7.0534 -.25726E-06** at limit ** 9 norm 1.8363 .46312 -.25970E-07 .47958E-02 10 Prefactor 2.7547 1.4230 .24753E-06 -.17632E-02 11 Prefactor .50571E-07 3.4516 -.11635E-05** at limit ** 12 Prefactor .22204E-08 1.4630 .11982E-06** at limit ** 13 Prefactor 11.602 1.2528 .23550E-07 -.12053E-02 14 Prefactor .11269E-07 2.1963 -.11245E-05** at limit ** 15 norm 3.7464 3.2536 -.37525E-08 .90509E-03 16 Prefactor 27.361 9.8821 -.22911E-06 -.12142E-02 17 Prefactor 1.8521 1.7355 .11220E-06 .66042E-02 18 Prefactor .16653E-08 4.4902 .44857E-06** at limit ** 19 norm .36507E-01 .65228 .11908E-06** at limit ** 20 norm 4.0278 5.0494 .14842E-06 -.69947E-04 21 Prefactor .88813E-04 3.3209 -.12701E-05** at limit ** 22 Normalizat 1.0702 .13694 .41735E-05 .25217E-03 23 Prefactor 1.0631 .10864 -.20178E-06 .25815E-03 ERR DEF= .500 Final values: Prefactor = 7.99361e-09 Prefactor = 9.82547e-09 norm = 4.29767e-07 norm = 9.10383e-09 Prefactor = 2.27596e-09 Prefactor = 11.6354 Prefactor = 17.6031 Prefactor = 4.60743e-09 norm = 1.83631 Prefactor = 2.7547 Prefactor = 5.05707e-08 Prefactor = 2.22045e-09 Prefactor = 11.6021 Prefactor = 1.12688e-08 norm = 3.74638 Prefactor = 27.3612 Prefactor = 1.85214 Prefactor = 1.66533e-09 norm = 0.0365068 norm = 4.0278 Prefactor = 8.88132e-05 Normalizat = 1.07016 Prefactor = 1.06307 ********** ** 18 **HESSE ********** FCN= 16652.67 FROM HESSE STATUS=OK 426 CALLS 1993 TOTAL EDM= .25E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .79936E-08 3.7960 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .98255E-08 3.7049 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm .42977E-06 32.673 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm .91038E-08 .62096 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .22760E-08 2.1998 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 11.635 18.536 .28421E-03 -1.5640 7 Prefactor 17.603 4.7830 .23833E-03 -1.5624 8 Prefactor .46074E-08 7.0819 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 norm 1.8363 .46505 .76997E-03 -1.5681 10 Prefactor 2.7547 11.618 .61818E-03 -1.5675 11 Prefactor .50571E-07 4.0242 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .22204E-08 1.4536 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 11.602 9.8244 .29386E-03 -1.5640 14 Prefactor .11269E-07 2.2063 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm 3.7464 3.2614 .52184E-03 -1.5669 16 Prefactor 27.361 20.218 .19263E-03 -1.5603 17 Prefactor 1.8521 1.8081 .76482E-03 -1.5681 18 Prefactor .16653E-08 4.5422 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .36507E-01 .13095 .23916E-02 -1.5704 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 4.0278 5.1352 .50157E-03 -1.5668 21 Prefactor .88813E-04 .87138 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Normalizat 1.0702 .11955 .62643E-01 -.90716 23 Prefactor 1.0631 .94605E-01 .39200E-01 -.90656 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.52804e-07 Minuit parameter uncertainties: 1 0.000348356 2 0.000381646 3 0.00749468 4 0.000150505 5 0.000140734 6 18.5357 7 4.78297 8 0.000362096 9 0.465051 10 11.3145 11 0.000902457 12 0.000113532 13 9.8244 14 0.000315031 15 3.26143 16 20.2182 17 1.80811 18 0.000173556 19 0.130954 20 5.13524 21 0.0175944 22 0.119582 23 0.0946199 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 16652.6688474 Extracting fit parameters... 4FGL J0824.9+3915 Spectrum: PowerLaw 314 Prefactor: 2.220e-09 1.135e-04 0.000e+00 1.000e+06 ( 1.000e-12) 315 Index: 2.432e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 316 Scale: 8.513e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 622 Prefactor: 1.063e+00 9.462e-02 0.000e+00 1.000e+01 ( 1.000e+00) 623 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 624 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 621 Normalization: 1.070e+00 1.196e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 126.236 39.257 Photon Flux Upper Limit: 4.73235639982e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00366453103907 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/24929877/likelihoodResults_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.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) = 16652.6732149 delta logL = -0.00436749213986 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 16652.6688474 delta logL = -7.22320692148e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .20095E-07 1.0000 .0000 .10000E+07 2 'Index ' 1.9442 1.0000 .0000 10.000 3 'Normalizat' 1.0702 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0630 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6250E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 16652.67 FROM MIGRAD STATUS=CONVERGED 69 CALLS 288 TOTAL EDM= .20E-10 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .83267E-09 .70077E-01 .34007E-02** at limit ** 2 Index 3.2951 2.5491 .50000 -.63665E-09 3 Normalizat 1.0702 .17330E-02 .62643E-01 .17299E-02 4 Prefactor 1.0631 .14199E-02 .39200E-01 .11749E-02 ERR DEF= .500 Final values: Prefactor = 8.32667e-10 Index = 3.29506 Normalizat = 1.07016 Prefactor = 1.06307 ********** ** 18 **HESSE ********** FCN= 16652.67 FROM HESSE STATUS=OK 29 CALLS 317 TOTAL EDM= .23E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .83267E-09 1.9734 .11640E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 3.2951 6.6145 .20000 -.34797 3 Normalizat 1.0702 .13128 .27708E-03 -.90716 4 Prefactor 1.0631 .10764 .22660E-03 -.90656 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.32469e-09 Minuit parameter uncertainties: 1 8.22407e-05 2 4.98279 3 0.13132 4 0.107658 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) = 16652.6688474 delta logL = -3.92901711166e-10 Extracting fit parameters... 4FGL J0824.9+3915 Spectrum: PowerLaw 314 Prefactor: 8.327e-10 8.224e-05 0.000e+00 1.000e+06 ( 1.000e-12) 315 Index: 3.295e+00 4.983e+00 0.000e+00 1.000e+01 (-1.000e+00) 316 Scale: 8.513e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 622 Prefactor: 1.063e+00 1.077e-01 0.000e+00 1.000e+01 ( 1.000e+00) 623 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 624 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 621 Normalization: 1.070e+00 1.313e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 126.236 39.257 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/24929877/cmap_HighResolution_796608001_797212801_4FGL_J0824.9+3915_weekly_bin922.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.66e-03', job_status='DONE', photon_flux_upper_limit='4.73e-08', time_completed='2026-04-07 00:53:06.037763', job_id='24929877', GAL2='1.06', fit_tolerance='1e-08', EG2='1.07', EG='1.07', time_epoch_completed='1775548386.04', return_code2='0', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.06', dlogl='-3.93e-10', ts2='-0.00', photon_index_error='0.00', photon_index='2.43' WHERE bin_id='922' AND source_name='4FGL J0824.9+3915' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Apr 7 00:53:06 PDT 2026