Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9010.89420138 Extracting fit parameters... 4FGL J1542.3+1801 Spectrum: PowerLaw 238 Prefactor: 4.996e-10 1.581e-04 0.000e+00 1.000e+06 ( 1.000e-13) 239 Index: 2.522e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 240 Scale: 8.483e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 500 Prefactor: 7.681e-01 1.126e-01 0.000e+00 1.000e+01 ( 1.000e+00) 501 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 502 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 499 Normalization: 1.542e+00 2.136e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 235.579 18.032 Photon Flux Upper Limit: 7.68952273323e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00598918867479 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31516523/likelihoodResults_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.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) = 9010.5623141 delta logL = 0.33188727886 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 9010.35076445 delta logL = 0.543436929158 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .92576E-03 1.0000 .0000 .10000E+07 2 'Index ' 8.3202 1.0000 .0000 10.000 3 'Normalizat' 1.4654 1.0000 .10000E-01 10.000 4 'Prefactor ' .79523 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5030E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9010.894 FROM MIGRAD STATUS=CONVERGED 88 CALLS 369 TOTAL EDM= .93E-14 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 20.810 .42118E-03** at limit ** 2 Index 3.3306 1.3040 .17573E-04 .0000 3 Normalizat 1.5420 1.0760 .10433E-04 .68784E-07 4 Prefactor .76813 1.1259 -.76097E-05 .21090E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.33065 Normalizat = 1.54198 Prefactor = 0.768127 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9010.894 FROM HESSE STATUS=FAILED 9 CALLS 378 TOTAL EDM= .93E-14 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 20.810 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 5.8439 2.4481 .17573E-04 -185.01 3 Normalizat 1.5420 1.0760 .10433E-04 -2.3755 4 Prefactor .76813 1.1259 -.76097E-05 -2.1325 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 9.29677e-15 Minuit parameter uncertainties: 1 2.55529e-06 2 1.32129 3 1.0927 4 1.16251 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) = 9010.89420138 delta logL = 8.18545231596e-11 Extracting fit parameters... 4FGL J1542.3+1801 Spectrum: PowerLaw 238 Prefactor: 0.000e+00 2.555e-06 0.000e+00 1.000e+06 ( 1.000e-13) 239 Index: 3.331e+00 1.321e+00 0.000e+00 1.000e+01 (-1.000e+00) 240 Scale: 8.483e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 500 Prefactor: 7.681e-01 1.163e+00 0.000e+00 1.000e+01 ( 1.000e+00) 501 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 502 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 499 Normalization: 1.542e+00 1.093e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 235.579 18.032 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/31516523/cmap_HighResolution_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='5.99e-03', job_status='DONE', photon_flux_upper_limit='7.69e-08', time_completed='2026-07-13 02:08:45.656430', job_id='31516523', GAL2='0.77', fit_tolerance='1e-08', EG2='1.54', EG='1.54', time_epoch_completed='1783933725.66', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.77', dlogl='8.19e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.52' WHERE bin_id='2176' AND source_name='4FGL J1542.3+1801' AND cadence='daily'; Database successfully updated. Analysis Complete. Mon Jul 13 02:08:45 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 = 7643 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1542.3+1801_daily_bin2176 RA = 235.579, Dec = 18.0322 tmin = 803347201, tmax = 803606401 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='31516689', job_status='RUN', time_executed='2026-07-13 02:08:55.549671', time_epoch_executed='1783933735.55' WHERE source_name='4FGL J1542.3+1801' and cadence='daily' and bin_id='2176' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/31516689 Creating custom pfile directory: /lscratch/kocevski/31516689/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803347201.0 && nMetStart<803606401.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803347201.0 && nMetStart<803606401.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/31516689/ft1_4FGL_J1542.3+1801_daily_bin2176.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803347201.0 && nMetStart<803606401.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/31516689/ft1_4FGL_J1542.3+1801_daily_bin2176.fits outfile=/lscratch/kocevski/31516689/ft1_filteredMKT_4FGL_J1542.3+1801_daily_bin2176.fits ra=235.579 dec=18.0322 rad=12.0 tmin=803347201.0 tmax=803606401.0 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 2.32 user 1.64 sys 0.16 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.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/31516689/ft1_filteredMKT_4FGL_J1542.3+1801_daily_bin2176.fits evtable="EVENTS" outfile="/lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.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 0.81 user 0.19 sys 0.13 Number of photons that the gtmktime cut: 809 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits" evtable="EVENTS" scfile=/lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits sctable="SC_DATA" outfile=/lscratch/kocevski/31516689/ltcube_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.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/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits .....................! real 9.00 user 8.27 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits evtable="EVENTS" scfile=/lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits sctable="SC_DATA" expcube=/lscratch/kocevski/31516689/ltcube_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.fits outfile=/lscratch/kocevski/31516689/expmap_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.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/31516689/ltcube_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.fits .....................! real 70.69 user 65.94 sys 4.01 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 155 point sources and 0 extended sources Setting source of interest to: 4FGL J1542.3+1801 @ 235.579 18.0322 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits scfile=/lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits outfile=/lscratch/kocevski/31516689/cmap_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.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=235.579 yref=18.0322 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 0.22 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits scfile=/lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits outfile=/lscratch/kocevski/31516689/cmap_HighResolution_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.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=235.579 yref=18.0322 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 0.83 user 0.23 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits evtable="EVENTS" scfile=/lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/31516689/Model_4FGL_J1542.3+1801_daily_bin2176.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/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits.....................! real 28.44 user 26.76 sys 1.00 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits', '/lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits', expMap='/lscratch/kocevski/31516689/expmap_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.fits', expCube='/lscratch/kocevski/31516689/ltcube_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/31516689/Model_4FGL_J1542.3+1801_daily_bin2176.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1542.3+1801' 4FGL J1542.3+1801 Spectrum: PowerLaw 238 Prefactor: 4.061e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 239 Index: 2.522e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 240 Scale: 8.483e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/31516689/ft1_filtered_4FGL_J1542.3+1801_daily_bin2176.fits Spacecraft file(s): /lscratch/kocevski/31516689/ft2_4FGL_J1542.3+1801_daily_bin2176.fits Exposure map: /lscratch/kocevski/31516689/expmap_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.fits Exposure cube: /lscratch/kocevski/31516689/ltcube_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/31516689/Model_4FGL_J1542.3+1801_daily_bin2176.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 102 logL (Fixed Index) = 9013.20419099 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9010.90380795 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 17.536 1.0000 .0000 .10000E+07 2 'Prefactor ' .65781E-07 1.0000 .0000 .10000E+07 3 'norm ' .50213 1.0000 .0000 .10000E+07 4 'norm ' .98049E-04 1.0000 .0000 .10000E+07 5 'Prefactor ' 58.895 1.0000 .0000 .10000E+07 6 'Prefactor ' .42603 1.0000 .0000 .10000E+07 7 'Prefactor ' .17278E-02 1.0000 .0000 .10000E+07 8 'norm ' 2.5227 1.0000 .0000 .10000E+07 9 'Prefactor ' 5.2986 1.0000 .0000 .10000E+07 10 'norm ' .47018E-07 1.0000 .0000 .10000E+07 11 'norm ' 3.6142 1.0000 .0000 .10000E+07 12 'Prefactor ' 19.656 1.0000 .0000 .10000E+07 13 'norm ' 134.92 1.0000 .0000 .10000E+07 14 'Prefactor ' 9.2155 1.0000 .0000 .10000E+07 15 'Normalizat' 1.5416 1.0000 .10000E-01 10.000 16 'Prefactor ' .76801 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5030E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9010.894 FROM MIGRAD STATUS=CONVERGED 144 CALLS 756 TOTAL EDM= .26E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 18.423 26.254 .10418E-05 -.45533E-03 2 Prefactor .0000 4.0262 .21399E-06** at limit ** 3 norm .50184 .25118 -.71386E-08 -.42525E-02 4 norm .0000 14.916 -.30752E-05** at limit ** 5 Prefactor 57.468 45.858 .14811E-06 -.41571E-03 6 Prefactor .42562 1.4853 -.30702E-06 -.16918E-02 7 Prefactor .49960E-09 12.926 .18348E-05** at limit ** 8 norm 2.5170 2.6051 -.12340E-06 -.35479E-03 9 Prefactor .16381E-06 730.10 .10762E-05** at limit ** 10 norm .55511E-10 4.2551 .45581E-06** at limit ** 11 norm 3.6152 1.8069 .35714E-06 .76094E-02 12 Prefactor 19.438 9.9813 -.59833E-08 .73364E-03 13 norm 137.67 35.400 .51751E-06 .21204E-03 14 Prefactor 9.1090 14.034 -.37692E-06 .62137E-03 15 Normalizat 1.5420 .25662 -.13662E-04 .75959E-04 16 Prefactor .76813 .13508 .19625E-04 .30771E-03 ERR DEF= .500 Final values: Prefactor = 18.4226 Prefactor = 0 norm = 0.501839 norm = 0 Prefactor = 57.4676 Prefactor = 0.425623 Prefactor = 4.996e-10 norm = 2.51699 Prefactor = 1.63813e-07 norm = 5.55112e-11 norm = 3.61515 Prefactor = 19.4384 norm = 137.672 Prefactor = 9.10904 Normalizat = 1.54198 Prefactor = 0.768129 ********** ** 18 **HESSE ********** FCN= 9010.894 FROM HESSE STATUS=OK 237 CALLS 993 TOTAL EDM= .33E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 18.423 26.145 .23890E-03 -1.5622 2 Prefactor .0000 4.0222 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 norm .50184 .25391 .73766E-03 -1.5694 4 norm .0000 14.927 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 57.468 45.522 .13031E-03 -1.5556 6 Prefactor .42562 1.5043 .86530E-03 -1.5695 7 Prefactor .49960E-09 12.922 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 2.5170 2.6153 .64291E-03 -1.5676 9 Prefactor .16381E-06 731.94 .43640E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm .55511E-10 4.2684 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm 3.6152 1.8088 .53122E-03 -1.5670 12 Prefactor 19.438 9.9896 .22563E-03 -1.5620 13 norm 137.67 35.641 .86097E-04 -1.5473 14 Prefactor 9.1090 14.031 .32990E-03 -1.5648 15 Normalizat 1.5420 .21347 .67943E-01 -.76605 16 Prefactor .76813 .11261 .43299E-01 -1.0091 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.33271e-09 Minuit parameter uncertainties: 1 26.1451 2 1.36161e-05 3 0.253914 4 3.37468e-05 5 45.5223 6 1.50433 7 0.000158085 8 2.61535 9 0.0219008 10 2.26671e-05 11 1.80877 12 9.98962 13 35.6414 14 14.0315 15 0.213593 16 0.112646 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9010.89420138 Extracting fit parameters... 4FGL J1542.3+1801 Spectrum: PowerLaw 238 Prefactor: 4.996e-10 1.581e-04 0.000e+00 1.000e+06 ( 1.000e-13) 239 Index: 2.522e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 240 Scale: 8.483e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 500 Prefactor: 7.681e-01 1.126e-01 0.000e+00 1.000e+01 ( 1.000e+00) 501 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 502 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 499 Normalization: 1.542e+00 2.136e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 235.579 18.032 Photon Flux Upper Limit: 7.68952273323e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00598918867479 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/31516689/likelihoodResults_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.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) = 9010.5623141 delta logL = 0.33188727886 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 9010.35076445 delta logL = 0.543436929158 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .92576E-03 1.0000 .0000 .10000E+07 2 'Index ' 8.3202 1.0000 .0000 10.000 3 'Normalizat' 1.4654 1.0000 .10000E-01 10.000 4 'Prefactor ' .79523 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5030E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9010.894 FROM MIGRAD STATUS=CONVERGED 88 CALLS 369 TOTAL EDM= .93E-14 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 20.810 .42118E-03** at limit ** 2 Index 3.3306 1.3040 .17573E-04 .0000 3 Normalizat 1.5420 1.0760 .10433E-04 .68784E-07 4 Prefactor .76813 1.1259 -.76097E-05 .21090E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.33065 Normalizat = 1.54198 Prefactor = 0.768127 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9010.894 FROM HESSE STATUS=FAILED 9 CALLS 378 TOTAL EDM= .93E-14 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 20.810 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 5.8439 2.4481 .17573E-04 -185.01 3 Normalizat 1.5420 1.0760 .10433E-04 -2.3755 4 Prefactor .76813 1.1259 -.76097E-05 -2.1325 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 9.29677e-15 Minuit parameter uncertainties: 1 2.55529e-06 2 1.32129 3 1.0927 4 1.16251 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) = 9010.89420138 delta logL = 8.18545231596e-11 Extracting fit parameters... 4FGL J1542.3+1801 Spectrum: PowerLaw 238 Prefactor: 0.000e+00 2.555e-06 0.000e+00 1.000e+06 ( 1.000e-13) 239 Index: 3.331e+00 1.321e+00 0.000e+00 1.000e+01 (-1.000e+00) 240 Scale: 8.483e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 500 Prefactor: 7.681e-01 1.163e+00 0.000e+00 1.000e+01 ( 1.000e+00) 501 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 502 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 499 Normalization: 1.542e+00 1.093e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 235.579 18.032 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/31516689/cmap_HighResolution_803347201_803606401_4FGL_J1542.3+1801_daily_bin2176.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='5.99e-03', job_status='DONE', photon_flux_upper_limit='7.69e-08', time_completed='2026-07-13 02:14:47.233012', job_id='31516689', GAL2='0.77', fit_tolerance='1e-08', EG2='1.54', EG='1.54', time_epoch_completed='1783934087.23', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.77', dlogl='8.19e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.52' WHERE bin_id='2176' AND source_name='4FGL J1542.3+1801' AND cadence='daily'; Database successfully updated. Analysis Complete. Mon Jul 13 02:14:47 PDT 2026