/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 = 17387 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0833.9+4223_weekly_bin943 RA = 128.476, Dec = 42.3989 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='36619850', job_status='RUN', time_executed='2026-09-01 06:35:04.968122', time_epoch_executed='1788269704.97' WHERE source_name='4FGL J0833.9+4223' and cadence='weekly' and bin_id='943' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/36619850 Creating custom pfile directory: /lscratch/kocevski/36619850/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/36619850/ft1_4FGL_J0833.9+4223_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/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/36619850/ft1_4FGL_J0833.9+4223_weekly_bin943.fits outfile=/lscratch/kocevski/36619850/ft1_filteredMKT_4FGL_J0833.9+4223_weekly_bin943.fits ra=128.476 dec=42.3989 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 7.98 user 7.12 sys 0.32 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_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/36619850/ft1_filteredMKT_4FGL_J0833.9+4223_weekly_bin943.fits evtable="EVENTS" outfile="/lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_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 0.64 user 0.24 sys 0.13 Number of photons that the gtmktime cut: 1427 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits" evtable="EVENTS" scfile=/lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits sctable="SC_DATA" outfile=/lscratch/kocevski/36619850/ltcube_809308801_809913601_4FGL_J0833.9+4223_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/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits .....................! real 20.15 user 19.25 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits sctable="SC_DATA" expcube=/lscratch/kocevski/36619850/ltcube_809308801_809913601_4FGL_J0833.9+4223_weekly_bin943.fits outfile=/lscratch/kocevski/36619850/expmap_809308801_809913601_4FGL_J0833.9+4223_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/36619850/ltcube_809308801_809913601_4FGL_J0833.9+4223_weekly_bin943.fits .....................! real 76.00 user 70.44 sys 4.58 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 209 point sources and 0 extended sources Setting source of interest to: 4FGL J0833.9+4223 @ 128.476 42.3989 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits scfile=/lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits outfile=/lscratch/kocevski/36619850/cmap_809308801_809913601_4FGL_J0833.9+4223_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=128.476 yref=42.3989 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 0.68 user 0.26 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits scfile=/lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits outfile=/lscratch/kocevski/36619850/cmap_HighResolution_809308801_809913601_4FGL_J0833.9+4223_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=128.476 yref=42.3989 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 0.68 user 0.26 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits evtable="EVENTS" scfile=/lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/36619850/Model_4FGL_J0833.9+4223_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/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits.....................! real 56.22 user 54.21 sys 1.16 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits', '/lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits', expMap='/lscratch/kocevski/36619850/expmap_809308801_809913601_4FGL_J0833.9+4223_weekly_bin943.fits', expCube='/lscratch/kocevski/36619850/ltcube_809308801_809913601_4FGL_J0833.9+4223_weekly_bin943.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/36619850/Model_4FGL_J0833.9+4223_weekly_bin943.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0833.9+4223' 4FGL J0833.9+4223 Spectrum: PowerLaw 335 Prefactor: 8.920e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 336 Index: 2.434e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 337 Scale: 8.609e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/36619850/ft1_filtered_4FGL_J0833.9+4223_weekly_bin943.fits Spacecraft file(s): /lscratch/kocevski/36619850/ft2_4FGL_J0833.9+4223_weekly_bin943.fits Exposure map: /lscratch/kocevski/36619850/expmap_809308801_809913601_4FGL_J0833.9+4223_weekly_bin943.fits Exposure cube: /lscratch/kocevski/36619850/ltcube_809308801_809913601_4FGL_J0833.9+4223_weekly_bin943.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/36619850/Model_4FGL_J0833.9+4223_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) = 15764.4029469 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 15764.2944161 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .36890E-02 1.0000 .0000 .10000E+07 2 'Prefactor ' .19584E-01 1.0000 .0000 .10000E+07 3 'norm ' 2.6492 1.0000 .0000 .10000E+07 4 'Prefactor ' 2.7372 1.0000 .0000 .10000E+07 5 'Prefactor ' .50554E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' 7.4891 1.0000 .0000 .10000E+07 7 'norm ' .79867 1.0000 .0000 .10000E+07 8 'norm ' 1.8326 1.0000 .0000 .10000E+07 9 'norm ' .60746 1.0000 .0000 .10000E+07 10 'Prefactor ' 21.965 1.0000 .0000 .10000E+07 11 'Prefactor ' .32439 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.4418 1.0000 .0000 .10000E+07 13 'Prefactor ' .27146 1.0000 .0000 .10000E+07 14 'Prefactor ' 6.8655 1.0000 .0000 .10000E+07 15 'Prefactor ' 1.3498 1.0000 .0000 .10000E+07 16 'norm ' 1.1740 1.0000 .0000 .10000E+07 17 'norm ' 3.2396 1.0000 .0000 .10000E+07 18 'Prefactor ' 2.1966 1.0000 .0000 .10000E+07 19 'Prefactor ' .67700E-04 1.0000 .0000 .10000E+07 20 'Prefactor ' .28461E-06 1.0000 .0000 .10000E+07 21 'Prefactor ' 7.1515 1.0000 .0000 .10000E+07 22 'norm ' .31300 1.0000 .0000 .10000E+07 23 'Prefactor ' .23564E-06 1.0000 .0000 .10000E+07 24 'norm ' 2.5253 1.0000 .0000 .10000E+07 25 'Prefactor ' 2.9466 1.0000 .0000 .10000E+07 26 'Normalizat' 1.0093 1.0000 .10000E-01 10.000 27 'Prefactor ' 1.1878 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6660E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 15764.29 FROM MIGRAD STATUS=CONVERGED 159 CALLS 1934 TOTAL EDM= .30E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.8% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .11102E-09 8.0254 .88414E-07** at limit ** 2 Prefactor .55511E-10 47.870 -.15839E-06** at limit ** 3 norm 2.6491 1.4187 -.62669E-07 .21555E-02 4 Prefactor 2.7605 3.7368 -.10889E-08 .21991E-03 5 Prefactor .11102E-09 12.893 .31108E-07** at limit ** 6 Prefactor 7.4935 3.8251 -.21722E-07 .66801E-03 7 norm .80110 1.8203 -.13620E-06 .12894E-02 8 norm 1.8319 .97412 .68427E-08 .31714E-03 9 norm .60845 .35623 .12449E-07 -.98651E-03 10 Prefactor 22.039 1.0528 .47108E-09 -.27840E-03 11 Prefactor .22762 .63053 .20047E-07** at limit ** 12 Prefactor 1.4444 1.3155 -.54468E-07 .94148E-03 13 Prefactor .32752E-08 117.27 -.82971E-06** at limit ** 14 Prefactor 6.9617 6.8573 -.60819E-07 .33758E-03 15 Prefactor 1.3777 3.7341 -.10257E-06 .43704E-03 16 norm 1.1839 3.5313 -.30864E-07 .12111E-03 17 norm 3.2322 3.5447 -.42186E-07 .36474E-03 18 Prefactor 2.1964 1.9866 -.15542E-07 -.76660E-03 19 Prefactor .38858E-09 8.5619 .26071E-08** at limit ** 20 Prefactor .0000 1.2720 -.78135E-07** at limit ** 21 Prefactor 7.1780 2.7592 .23293E-07 .11926E-01 22 norm .31321 .23232 -.15845E-07 .17069E-02 23 Prefactor .0000 5.3311 -.20082E-06** at limit ** 24 norm 2.5586 5.8459 .62961E-07 -.28191E-02 25 Prefactor 2.9442 1.7430 .29686E-07 -.19664E-02 26 Normalizat 1.0091 .14361 .28815E-05 -.12953E-04 27 Prefactor 1.1878 .11932 -.15261E-05 .26290E-05 ERR DEF= .500 Final values: Prefactor = 1.11022e-10 Prefactor = 5.55112e-11 norm = 2.64912 Prefactor = 2.76054 Prefactor = 1.11022e-10 Prefactor = 7.49345 norm = 0.801096 norm = 1.83185 norm = 0.608454 Prefactor = 22.0388 Prefactor = 0.227619 Prefactor = 1.44438 Prefactor = 3.27516e-09 Prefactor = 6.96167 Prefactor = 1.37768 norm = 1.1839 norm = 3.23222 Prefactor = 2.19635 Prefactor = 3.88578e-10 Prefactor = 0 Prefactor = 7.17795 norm = 0.313211 Prefactor = 0 norm = 2.55859 Prefactor = 2.94416 Normalizat = 1.00912 Prefactor = 1.18779 ********** ** 18 **HESSE ********** FCN= 15764.29 FROM HESSE STATUS=OK 572 CALLS 2506 TOTAL EDM= .58E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .11102E-09 8.0574 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .55511E-10 4.4755 .84210E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm 2.6491 1.4188 .62607E-03 -1.5675 4 Prefactor 2.7605 3.7604 .61516E-03 -1.5675 5 Prefactor .11102E-09 12.935 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor 7.4935 3.9294 .36624E-03 -1.5653 7 norm .80110 1.8399 .53034E-03 -1.5690 8 norm 1.8319 .97423 .77057E-03 -1.5681 9 norm .60845 .37080 .68562E-03 -1.5692 10 Prefactor 22.039 15.379 .21343E-03 -1.5614 11 Prefactor .22762 4.9474 .98827E-02 -1.5698 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 1.4444 1.3382 .89793E-03 -1.5684 13 Prefactor .32752E-08 9.7809 .13003E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 6.9617 7.0849 .38267E-03 -1.5655 15 Prefactor 1.3777 3.7794 .94146E-03 -1.5684 16 norm 1.1839 3.5911 .10573E-02 -1.5686 17 norm 3.2322 3.6445 .56250E-03 -1.5672 18 Prefactor 2.1964 22.190 .69402E-03 -1.5678 19 Prefactor .38858E-09 8.7409 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .0000 1.2676 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor 7.1780 11.728 .37486E-03 -1.5654 22 norm .31321 .28794 .10035E-02 -1.5697 23 Prefactor .0000 .81540 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 norm 2.5586 7.3764 .64255E-03 -1.5676 25 Prefactor 2.9442 1.7673 .59140E-03 -1.5674 26 Normalizat 1.0091 .12942 .46283E-01 -.92726 27 Prefactor 1.1878 .10414 .51776E-01 -.86708 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 5.78721e-07 Minuit parameter uncertainties: 1 6.61617e-05 2 2.32963e-05 3 1.41885 4 3.76036 5 6.93124e-05 6 3.92938 7 1.83989 8 0.974226 9 0.370803 10 15.3794 11 2.12238 12 1.33824 13 0.000358987 14 7.08493 15 3.77945 16 3.59106 17 3.64452 18 13.9625 19 0.000120049 20 4.9412e-06 21 11.7277 22 0.287942 23 2.79201e-06 24 7.37645 25 1.76733 26 0.129456 27 0.10416 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 15764.2924814 Extracting fit parameters... 4FGL J0833.9+4223 Spectrum: PowerLaw 335 Prefactor: 3.275e-09 3.590e-04 0.000e+00 1.000e+06 ( 1.000e-13) 336 Index: 2.434e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 337 Scale: 8.609e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 663 Prefactor: 1.188e+00 1.042e-01 0.000e+00 1.000e+01 ( 1.000e+00) 664 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 665 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 662 Normalization: 1.009e+00 1.295e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 128.476 42.399 Photon Flux Upper Limit: 5.16200840738e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00399794931456 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/36619850/likelihoodResults_809308801_809913601_4FGL_J0833.9+4223_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) = 15764.2981524 delta logL = -0.00567099482942 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 15764.2159487 delta logL = 0.0765327030604 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .23812 1.0000 .0000 .10000E+07 2 'Index ' 4.5668 1.0000 .0000 10.000 3 'Normalizat' .99479 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.1948 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6660E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 15764.22 FROM MIGRAD STATUS=CONVERGED 66 CALLS 250 TOTAL EDM= .15E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .24037 1.4600 .24441E-02** at limit ** 2 Index 4.5671 .54326 .45576 .77055E-04 3 Normalizat .99473 .75985E-02 .46102E-01 .37792E-04 4 Prefactor 1.1948 .65842E-02 .51645E-01 .20461E-03 ERR DEF= .500 Final values: Prefactor = 0.240369 Index = 4.56707 Normalizat = 0.994729 Prefactor = 1.19478 ********** ** 18 **HESSE ********** FCN= 15764.22 FROM HESSE STATUS=NOT POSDEF 33 CALLS 283 TOTAL EDM= .11E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .24037 74.808 .12221E-03 -1.5698 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 4.5671 6.6274 .55262E-02 -.86694E-01 3 Normalizat .99473 .79248E-01 .28698E-03 -.93207 4 Prefactor 1.1948 .67419E-01 .22833E-03 -.86492 ERR DEF= .500 Minuit fit quality: 2 estimated distance: 1.06476e-08 Minuit parameter uncertainties: 1 8.481 2 18.2044 3 0.0792573 4 0.0674243 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 15764.2159415 delta logL = 0.076539843838 Extracting fit parameters... 4FGL J0833.9+4223 Spectrum: PowerLaw 335 Prefactor: 2.404e-01 8.481e+00 0.000e+00 1.000e+06 ( 1.000e-13) 336 Index: 4.567e+00 1.820e+01 0.000e+00 1.000e+01 (-1.000e+00) 337 Scale: 8.609e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 663 Prefactor: 1.195e+00 6.742e-02 0.000e+00 1.000e+01 ( 1.000e+00) 664 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 665 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 662 Normalization: 9.947e-01 7.926e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 128.476 42.399 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/36619850/cmap_HighResolution_809308801_809913601_4FGL_J0833.9+4223_weekly_bin943.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.00e-03', job_status='DONE', photon_flux_upper_limit='5.16e-08', time_completed='2026-09-01 06:45:13.383737', job_id='36619850', GAL2='1.19', fit_tolerance='1e-08', EG2='0.99', EG='1.01', time_epoch_completed='1788270313.38', return_code2='102', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.19', dlogl='7.65e-02', ts2='0.16', photon_index_error='0.00', photon_index='2.43' WHERE bin_id='943' AND source_name='4FGL J0833.9+4223' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Sep 1 06:45:13 PDT 2026