********** ** 18 **HESSE ********** FCN= 5021.455 FROM HESSE STATUS=OK 253 CALLS 1226 TOTAL EDM= .91E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 127.84 70.143 .84012E-04 -1.5482 2 Prefactor .17764E-08 4.3883 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor 29.664 17.382 .18386E-03 -1.5599 4 Prefactor .0000 2.1576 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 2.2554 26.509 .71104E-03 -1.5678 6 Prefactor 4.6960 9.6495 .46495E-03 -1.5665 7 norm .0000 1.7122 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .0000 4.7503 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 24.387 30.237 .21298E-03 -1.5609 10 Prefactor .0000 12.097 .16919E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .0000 1.5316 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm .0000 1.2756 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .20539E-08 14.715 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor .41633E-08 4.3918 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 3.2783 70.317 .52235E-03 -1.5672 16 Normalizat .81074 .18722 .43684E-01 -.99672 17 Prefactor 1.3006 .21114 .54109E-01 -.83288 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.14484e-07 Minuit parameter uncertainties: 1 70.1432 2 0.000177109 3 17.3818 4 4.80757e-07 5 15.4645 6 9.64956 7 6.82061e-06 8 3.89805e-07 9 30.2373 10 1.71618e-05 11 3.49156e-06 12 2.50209e-07 13 0.000345412 14 0.000270458 15 30.3664 16 0.187364 17 0.211279 /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). Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 5021.45494177 Extracting fit parameters... 4FGL J2355.7-3351 Spectrum: PowerLaw 550 Prefactor: 4.163e-09 2.705e-04 0.000e+00 1.000e+06 ( 1.000e-12) 551 Index: 2.580e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 552 Scale: 5.821e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 584 Prefactor: 1.301e+00 2.113e-01 0.000e+00 1.000e+01 ( 1.000e+00) 585 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 586 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 583 Normalization: 8.107e-01 1.874e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 358.931 -33.861 Photon Flux Upper Limit: 7.74051300527e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00605030811868 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32181596/likelihoodResults_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.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) = 5021.45972191 delta logL = -0.00478014275996 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 5021.45494316 delta logL = -1.39185613079e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .21955E-05 1.0000 .0000 .10000E+07 2 'Index ' 3.0022 1.0000 .0000 10.000 3 'Normalizat' .81080 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.3007 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5870E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 5021.455 FROM MIGRAD STATUS=CONVERGED 40 CALLS 231 TOTAL EDM= .16E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 1.8866 .42118E-03** at limit ** 2 Index 1.5778 .79915 -.58421E-04 .0000 3 Normalizat .81074 1.1493 -.48300E-04 -.35404E-03 4 Prefactor 1.3006 1.0772 .36993E-04 -.36713E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.57776 Normalizat = 0.810738 Prefactor = 1.30063 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 5021.455 FROM HESSE STATUS=FAILED 9 CALLS 240 TOTAL EDM= .16E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 1.8866 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .23370 1.4273 -.58421E-04 -.75385 3 Normalizat .81074 1.1493 -.48300E-04 -.99672 4 Prefactor 1.3006 1.0772 .36993E-04 -.83288 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.62996e-10 Minuit parameter uncertainties: 1 1.0018e-05 2 0.805692 3 1.18679 4 1.09647 /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) 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) = 5021.45494176 delta logL = 3.94720700569e-10 Extracting fit parameters... 4FGL J2355.7-3351 Spectrum: PowerLaw 550 Prefactor: 0.000e+00 1.002e-05 0.000e+00 1.000e+06 ( 1.000e-12) 551 Index: 1.578e+00 8.057e-01 0.000e+00 1.000e+01 (-1.000e+00) 552 Scale: 5.821e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 584 Prefactor: 1.301e+00 1.096e+00 0.000e+00 1.000e+01 ( 1.000e+00) 585 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 586 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 583 Normalization: 8.107e-01 1.187e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 358.931 -33.861 Creating a high resolution counts map... INFO: Auto-setting vmin to 0.000e+00 [aplpy.core] INFO: Auto-setting vmax to 0.000e+00 [aplpy.core] Saving /lscratch/kocevski/32181596/cmap_HighResolution_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='6.05e-03', job_status='DONE', photon_flux_upper_limit='7.74e-08', time_completed='2026-07-18 10:07:05.725896', job_id='32181596', GAL2='1.30', fit_tolerance='1e-08', EG2='0.81', EG='0.81', time_epoch_completed='1784394425.73', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.30', dlogl='3.95e-10', ts2='0.00', photon_index_error='0.00', photon_index='2.58' WHERE bin_id='2184' AND source_name='4FGL J2355.7-3351' AND cadence='daily'; Database successfully updated. Analysis Complete. Sat Jul 18 10:07:06 PDT 2026 WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). number of points = 7550 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2355.7-3351_daily_bin2184 RA = 358.931, Dec = -33.8607 tmin = 805420801, tmax = 805680001 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='32182040', job_status='RUN', time_executed='2026-07-18 10:07:12.023078', time_epoch_executed='1784394432.02' WHERE source_name='4FGL J2355.7-3351' and cadence='daily' and bin_id='2184' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/32182040 Creating custom pfile directory: /lscratch/kocevski/32182040/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805420801.0 && nMetStart<805680001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805420801.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/32182040/ft1_4FGL_J2355.7-3351_daily_bin2184.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805420801.0 && nMetStart<805680001.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/32182040/ft1_4FGL_J2355.7-3351_daily_bin2184.fits outfile=/lscratch/kocevski/32182040/ft1_filteredMKT_4FGL_J2355.7-3351_daily_bin2184.fits ra=358.931 dec=-33.8607 rad=12.0 tmin=805420801.0 tmax=805680001.0 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 2.70 user 2.01 sys 0.21 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.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/32182040/ft1_filteredMKT_4FGL_J2355.7-3351_daily_bin2184.fits evtable="EVENTS" outfile="/lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.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 0.93 user 0.22 sys 0.14 Number of photons that the gtmktime cut: 447 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits" evtable="EVENTS" scfile=/lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits sctable="SC_DATA" outfile=/lscratch/kocevski/32182040/ltcube_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.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/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits .....................! real 9.91 user 9.14 sys 0.25 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits evtable="EVENTS" scfile=/lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits sctable="SC_DATA" expcube=/lscratch/kocevski/32182040/ltcube_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.fits outfile=/lscratch/kocevski/32182040/expmap_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.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/32182040/ltcube_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.fits .....................! real 68.07 user 63.31 sys 3.98 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 184 point sources and 0 extended sources Setting source of interest to: 4FGL J2355.7-3351 @ 358.931 -33.8607 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits scfile=/lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits outfile=/lscratch/kocevski/32182040/cmap_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.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=358.931 yref=-33.8607 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 0.81 user 0.23 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits scfile=/lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits outfile=/lscratch/kocevski/32182040/cmap_HighResolution_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.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=358.931 yref=-33.8607 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 0.85 user 0.22 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits evtable="EVENTS" scfile=/lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/32182040/Model_4FGL_J2355.7-3351_daily_bin2184.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/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits.....................! real 17.70 user 15.77 sys 1.34 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits', '/lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits', expMap='/lscratch/kocevski/32182040/expmap_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.fits', expCube='/lscratch/kocevski/32182040/ltcube_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32182040/Model_4FGL_J2355.7-3351_daily_bin2184.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2355.7-3351' 4FGL J2355.7-3351 Spectrum: PowerLaw 550 Prefactor: 1.680e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 551 Index: 2.580e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 552 Scale: 5.821e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/32182040/ft1_filtered_4FGL_J2355.7-3351_daily_bin2184.fits Spacecraft file(s): /lscratch/kocevski/32182040/ft2_4FGL_J2355.7-3351_daily_bin2184.fits Exposure map: /lscratch/kocevski/32182040/expmap_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.fits Exposure cube: /lscratch/kocevski/32182040/ltcube_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32182040/Model_4FGL_J2355.7-3351_daily_bin2184.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) = 5021.57880242 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 5021.47813854 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 141.71 1.0000 .0000 .10000E+07 2 'Prefactor ' .25778E-03 1.0000 .0000 .10000E+07 3 'Prefactor ' 29.592 1.0000 .0000 .10000E+07 4 'Prefactor ' .89696E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' 2.1043 1.0000 .0000 .10000E+07 6 'Prefactor ' 4.6800 1.0000 .0000 .10000E+07 7 'norm ' .31812E-03 1.0000 .0000 .10000E+07 8 'norm ' .13234E-05 1.0000 .0000 .10000E+07 9 'Prefactor ' 22.058 1.0000 .0000 .10000E+07 10 'Prefactor ' .21840E-01 1.0000 .0000 .10000E+07 11 'norm ' .21419E-03 1.0000 .0000 .10000E+07 12 'norm ' .53407E-05 1.0000 .0000 .10000E+07 13 'Prefactor ' .50772E-02 1.0000 .0000 .10000E+07 14 'Prefactor ' .81963E-04 1.0000 .0000 .10000E+07 15 'Prefactor ' 3.7332 1.0000 .0000 .10000E+07 16 'Normalizat' .80568 1.0000 .10000E-01 10.000 17 'Prefactor ' 1.3038 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5870E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 5021.455 FROM MIGRAD STATUS=CONVERGED 147 CALLS 973 TOTAL EDM= .75E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .9% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 127.84 70.165 -.77794E-07 -.10778E-02 2 Prefactor .17764E-08 4.4177 -.65883E-07** at limit ** 3 Prefactor 29.664 16.004 .58602E-07 -.11937 4 Prefactor .0000 2.1576 .27068E-07** at limit ** 5 Prefactor 2.2554 26.462 -.36253E-09 .11459E-02 6 Prefactor 4.6960 9.6525 -.17223E-07 -.66189E-03 7 norm .0000 1.7212 -.14509E-07** at limit ** 8 norm .0000 4.7665 -.69146E-07** at limit ** 9 Prefactor 24.387 30.071 .53227E-06 .13284E-01 10 Prefactor .0000 12.129 .30832E-07** at limit ** 11 norm .0000 1.5117 -.36401E-08** at limit ** 12 norm .0000 1.2820 .14987E-08** at limit ** 13 Prefactor .20539E-08 14.775 -.96344E-08** at limit ** 14 Prefactor .41633E-08 4.4074 -.15238E-07** at limit ** 15 Prefactor 3.2783 12.736 -.27017E-08 .50689E-01 16 Normalizat .81074 .22428 -.22969E-05 -.37459E-04 17 Prefactor 1.3006 .25387 .16466E-05 .17687E-04 ERR DEF= .500 Final values: Prefactor = 127.845 Prefactor = 1.77636e-09 Prefactor = 29.664 Prefactor = 0 Prefactor = 2.25538 Prefactor = 4.69603 norm = 0 norm = 0 Prefactor = 24.3868 Prefactor = 0 norm = 0 norm = 0 Prefactor = 2.05391e-09 Prefactor = 4.16334e-09 Prefactor = 3.27835 Normalizat = 0.810738 Prefactor = 1.30063 ********** ** 18 **HESSE ********** FCN= 5021.455 FROM HESSE STATUS=OK 253 CALLS 1226 TOTAL EDM= .91E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 127.84 70.143 .84012E-04 -1.5482 2 Prefactor .17764E-08 4.3883 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor 29.664 17.382 .18386E-03 -1.5599 4 Prefactor .0000 2.1576 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 2.2554 26.509 .71104E-03 -1.5678 6 Prefactor 4.6960 9.6495 .46495E-03 -1.5665 7 norm .0000 1.7122 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .0000 4.7503 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 24.387 30.237 .21298E-03 -1.5609 10 Prefactor .0000 12.097 .16919E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .0000 1.5316 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm .0000 1.2756 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .20539E-08 14.715 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor .41633E-08 4.3918 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 3.2783 70.317 .52235E-03 -1.5672 16 Normalizat .81074 .18722 .43684E-01 -.99672 17 Prefactor 1.3006 .21114 .54109E-01 -.83288 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.14484e-07 Minuit parameter uncertainties: 1 70.1432 2 0.000177109 3 17.3818 4 4.80757e-07 5 15.4645 6 9.64956 7 6.82061e-06 8 3.89805e-07 9 30.2373 10 1.71618e-05 11 3.49156e-06 12 2.50209e-07 13 0.000345412 14 0.000270458 15 30.3664 16 0.187364 17 0.211279 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 5021.45494177 Extracting fit parameters... 4FGL J2355.7-3351 Spectrum: PowerLaw 550 Prefactor: 4.163e-09 2.705e-04 0.000e+00 1.000e+06 ( 1.000e-12) 551 Index: 2.580e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 552 Scale: 5.821e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 584 Prefactor: 1.301e+00 2.113e-01 0.000e+00 1.000e+01 ( 1.000e+00) 585 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 586 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 583 Normalization: 8.107e-01 1.874e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 358.931 -33.861 Photon Flux Upper Limit: 7.74051300527e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00605030811868 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32182040/likelihoodResults_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.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) = 5021.45972191 delta logL = -0.00478014275996 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 5021.45494316 delta logL = -1.39185613079e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .21955E-05 1.0000 .0000 .10000E+07 2 'Index ' 3.0022 1.0000 .0000 10.000 3 'Normalizat' .81080 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.3007 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5870E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 5021.455 FROM MIGRAD STATUS=CONVERGED 40 CALLS 231 TOTAL EDM= .16E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 1.8866 .42118E-03** at limit ** 2 Index 1.5778 .79915 -.58421E-04 .0000 3 Normalizat .81074 1.1493 -.48300E-04 -.35404E-03 4 Prefactor 1.3006 1.0772 .36993E-04 -.36713E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.57776 Normalizat = 0.810738 Prefactor = 1.30063 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 5021.455 FROM HESSE STATUS=FAILED 9 CALLS 240 TOTAL EDM= .16E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 1.8866 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .23370 1.4273 -.58421E-04 -.75385 3 Normalizat .81074 1.1493 -.48300E-04 -.99672 4 Prefactor 1.3006 1.0772 .36993E-04 -.83288 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.62996e-10 Minuit parameter uncertainties: 1 1.0018e-05 2 0.805692 3 1.18679 4 1.09647 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) = 5021.45494176 delta logL = 3.94720700569e-10 Extracting fit parameters... 4FGL J2355.7-3351 Spectrum: PowerLaw 550 Prefactor: 0.000e+00 1.002e-05 0.000e+00 1.000e+06 ( 1.000e-12) 551 Index: 1.578e+00 8.057e-01 0.000e+00 1.000e+01 (-1.000e+00) 552 Scale: 5.821e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 584 Prefactor: 1.301e+00 1.096e+00 0.000e+00 1.000e+01 ( 1.000e+00) 585 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 586 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 583 Normalization: 8.107e-01 1.187e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 358.931 -33.861 Creating a high resolution counts map... INFO: Auto-setting vmin to 0.000e+00 [aplpy.core] INFO: Auto-setting vmax to 0.000e+00 [aplpy.core] Saving /lscratch/kocevski/32182040/cmap_HighResolution_805420801_805680001_4FGL_J2355.7-3351_daily_bin2184.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='6.05e-03', job_status='DONE', photon_flux_upper_limit='7.74e-08', time_completed='2026-07-18 10:13:12.313536', job_id='32182040', GAL2='1.30', fit_tolerance='1e-08', EG2='0.81', EG='0.81', time_epoch_completed='1784394792.31', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.30', dlogl='3.95e-10', ts2='0.00', photon_index_error='0.00', photon_index='2.58' WHERE bin_id='2184' AND source_name='4FGL J2355.7-3351' AND cadence='daily'; Database successfully updated. Analysis Complete. Sat Jul 18 10:13:12 PDT 2026