********** ** 18 **HESSE ********** FCN= 7703.114 FROM HESSE STATUS=OK 261 CALLS 1454 TOTAL EDM= .42E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .45630E-07 20.424 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 38.090 36.636 .16215E-03 -1.5585 3 Prefactor .66058E-08 14.037 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm 2.8725 2.6050 .59970E-03 -1.5674 5 Prefactor .0000 1.8814 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm .0000 1.1391 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 27.553 52.314 .19189E-03 -1.5603 8 norm .22204E-09 4.5378 .10547E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 norm 6.2419 2.2789 .40161E-03 -1.5658 10 Prefactor 1.7625 6.7650 .79025E-03 -1.5681 11 norm 45.551 18.462 .14820E-03 -1.5573 12 Prefactor .22204E-09 5.9572 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 35.417 30.376 .16855E-03 -1.5589 14 Prefactor .0000 4.7039 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor .0000 8.0695 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Normalizat 1.1870 .22807 .75738E-01 -.87005 17 Prefactor .92373 .10921 .45308E-01 -.95317 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.20832e-06 Minuit parameter uncertainties: 1 0.00193092 2 36.6365 3 0.000609879 4 2.60501 5 4.60449e-06 6 2.14897e-06 7 52.3145 8 6.07252e-05 9 2.27892 10 6.76499 11 18.4617 12 7.6383e-05 13 30.3762 14 2.93477e-06 15 1.02509e-05 16 0.228264 17 0.109238 /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). Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7703.11447573 Extracting fit parameters... 4FGL J1553.6+1257 Spectrum: LogParabola 258 norm: 2.220e-10 6.073e-05 0.000e+00 1.000e+06 ( 1.000e-12) 259 alpha: 2.297e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 260 beta: 1.008e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 261 Eb: 6.546e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 520 Prefactor: 9.237e-01 1.092e-01 0.000e+00 1.000e+01 ( 1.000e+00) 521 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 522 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 519 Normalization: 1.187e+00 2.283e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 238.402 12.952 Photon Flux Upper Limit: 1.0355007627e-07 ph cm-2 s-1 Energy Flux Upper Limit: 3.63237350818e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28090546/likelihoodResults_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.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) = 7702.81473782 delta logL = 0.299737912588 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 7702.66511425 delta logL = 0.449361482012 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 1.9495 1.0000 .0000 .10000E+07 2 'alpha ' 3.7942 1.0000 .0000 5.0000 3 'Normalizat' 1.1065 1.0000 .10000E-01 10.000 4 'Prefactor ' .94511 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5230E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 7702.665 FROM MIGRAD STATUS=CONVERGED 82 CALLS 381 TOTAL EDM= .13E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 1.9493 11.540 .12605E-04 .18399E-02 2 alpha 3.7947 4.0994 .23610E-01 .10985E-04 3 Normalizat 1.1066 .27864 .34512E-03 -.23066E-03 4 Prefactor .94507 .13383 .18159E-03 -.36538E-03 ERR DEF= .500 Final values: norm = 1.94928 alpha = 3.79465 Normalizat = 1.10657 Prefactor = 0.945066 ********** ** 18 **HESSE ********** FCN= 7702.665 FROM HESSE STATUS=OK 25 CALLS 406 TOTAL EDM= .14E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 1.9493 4.3561 .50420E-06 -1.5680 2 alpha 3.7947 1.2878 .94442E-03 .54435 3 Normalizat 1.1066 .27930 .13805E-04 -.89541 4 Prefactor .94507 .13373 .36317E-04 -.94584 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.41945e-10 Minuit parameter uncertainties: 1 4.35607 2 1.38197 3 0.279671 4 0.133777 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) = 7702.66511393 delta logL = 0.449361799557 Extracting fit parameters... 4FGL J1553.6+1257 Spectrum: LogParabola 258 norm: 1.949e+00 4.356e+00 0.000e+00 1.000e+06 ( 1.000e-12) 259 alpha: 3.795e+00 1.382e+00 0.000e+00 5.000e+00 ( 1.000e+00) 260 beta: 1.008e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 261 Eb: 6.546e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 520 Prefactor: 9.451e-01 1.338e-01 0.000e+00 1.000e+01 ( 1.000e+00) 521 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 522 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 519 Normalization: 1.107e+00 2.797e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.00 Ra Dec: 238.402 12.952 Photon Index (Free Index): 3.79 +/- 1.38 Photon Flux (Free Index): 6.85e-08 +/- 7.74e-08 Energy Flux (Free Index): 1.11e-05 +/- 1.26e-05 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/28090546/cmap_HighResolution_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.63e-05', comment='SUCCESS', energy_flux2='1.11e-05', dlogl='4.49e-01', photon_flux2='6.85e-08', job_status='DONE', time_completed='2026-06-08 12:44:49.187210', photon_index_error2='1.38', photon_index2='3.79', ts='-0.00', fit_tolerance='1e-08', GAL='0.92', photon_index_error='0.00', photon_flux_upper_limit='1.04e-07', energy_flux_error2='1.26e-05', EG='1.19', time_epoch_completed='1780947889.19', return_code='0', job_id='28090546', GAL2='0.95', EG2='1.11', return_code2='0', photon_flux_error2='7.74e-08', ts2='1.00', photon_index='2.30' WHERE bin_id='2172' AND source_name='4FGL J1553.6+1257' AND cadence='daily'; Database successfully updated. Analysis Complete. Mon Jun 8 12:44:49 PDT 2026 number of points = 7567 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1553.6+1257_daily_bin2172 RA = 238.402, Dec = 12.9524 tmin = 802310401, tmax = 802569601 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='28090636', job_status='RUN', time_executed='2026-06-08 12:44:29.696047', time_epoch_executed='1780947869.7' WHERE source_name='4FGL J1553.6+1257' and cadence='daily' and bin_id='2172' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/28090636 Creating custom pfile directory: /lscratch/kocevski/28090636/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/28090636/ft1_4FGL_J1553.6+1257_daily_bin2172.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/28090636/ft1_4FGL_J1553.6+1257_daily_bin2172.fits outfile=/lscratch/kocevski/28090636/ft1_filteredMKT_4FGL_J1553.6+1257_daily_bin2172.fits ra=238.402 dec=12.9524 rad=12.0 tmin=802310401.0 tmax=802569601.0 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 2.37 user 1.87 sys 0.17 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.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/28090636/ft1_filteredMKT_4FGL_J1553.6+1257_daily_bin2172.fits evtable="EVENTS" outfile="/lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.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 0.74 user 0.18 sys 0.15 Number of photons that the gtmktime cut: 719 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits" evtable="EVENTS" scfile=/lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits sctable="SC_DATA" outfile=/lscratch/kocevski/28090636/ltcube_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.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/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits .....................! real 7.49 user 6.94 sys 0.21 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits sctable="SC_DATA" expcube=/lscratch/kocevski/28090636/ltcube_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.fits outfile=/lscratch/kocevski/28090636/expmap_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.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/28090636/ltcube_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.fits .....................! real 60.38 user 56.16 sys 3.50 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 159 point sources and 0 extended sources Setting source of interest to: 4FGL J1553.6+1257 @ 238.402 12.9524 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits scfile=/lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits outfile=/lscratch/kocevski/28090636/cmap_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.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=238.402 yref=12.9524 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 0.66 user 0.21 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits scfile=/lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits outfile=/lscratch/kocevski/28090636/cmap_HighResolution_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.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=238.402 yref=12.9524 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 0.58 user 0.20 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/28090636/Model_4FGL_J1553.6+1257_daily_bin2172.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/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits.....................! real 21.36 user 19.96 sys 0.97 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits', '/lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits', expMap='/lscratch/kocevski/28090636/expmap_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.fits', expCube='/lscratch/kocevski/28090636/ltcube_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28090636/Model_4FGL_J1553.6+1257_daily_bin2172.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1553.6+1257' 4FGL J1553.6+1257 Spectrum: LogParabola 258 norm: 5.777e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 259 alpha: 2.297e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 260 beta: 1.008e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 261 Eb: 6.546e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28090636/ft1_filtered_4FGL_J1553.6+1257_daily_bin2172.fits Spacecraft file(s): /lscratch/kocevski/28090636/ft2_4FGL_J1553.6+1257_daily_bin2172.fits Exposure map: /lscratch/kocevski/28090636/expmap_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.fits Exposure cube: /lscratch/kocevski/28090636/ltcube_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28090636/Model_4FGL_J1553.6+1257_daily_bin2172.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) = 7703.11642901 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7703.11619112 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .62319E-02 1.0000 .0000 .10000E+07 2 'Prefactor ' 38.043 1.0000 .0000 .10000E+07 3 'Prefactor ' .10674E-02 1.0000 .0000 .10000E+07 4 'norm ' 2.8705 1.0000 .0000 .10000E+07 5 'Prefactor ' .74672E-05 1.0000 .0000 .10000E+07 6 'norm ' .39968E-08 1.0000 .0000 .10000E+07 7 'Prefactor ' 27.168 1.0000 .0000 .10000E+07 8 'norm ' .34459E-01 1.0000 .0000 .10000E+07 9 'norm ' 6.2403 1.0000 .0000 .10000E+07 10 'Prefactor ' 1.7574 1.0000 .0000 .10000E+07 11 'norm ' 45.539 1.0000 .0000 .10000E+07 12 'Prefactor ' .13759E-02 1.0000 .0000 .10000E+07 13 'Prefactor ' 35.207 1.0000 .0000 .10000E+07 14 'Prefactor ' .20934E-02 1.0000 .0000 .10000E+07 15 'Prefactor ' .65168E-02 1.0000 .0000 .10000E+07 16 'Normalizat' 1.1871 1.0000 .10000E-01 10.000 17 'Prefactor ' .92384 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5230E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 7703.114 FROM MIGRAD STATUS=CONVERGED 120 CALLS 1193 TOTAL EDM= .18E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.0% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .45630E-07 20.396 .29089E-06** at limit ** 2 Prefactor 38.090 1.0369 .41575E-08 -.36322E-01 3 Prefactor .66058E-08 14.027 .40392E-06** at limit ** 4 norm 2.8725 2.5577 -.57736E-07 -.10396E-02 5 Prefactor .0000 1.8776 -.16165E-07** at limit ** 6 norm .0000 1.1374 .16079E-07** at limit ** 7 Prefactor 27.553 42.382 -.61884E-06 -.11473 8 norm .22204E-09 23.663 -.41826E-06** at limit ** 9 norm 6.2419 2.2436 -.13921E-06 -.11317E-01 10 Prefactor 1.7625 6.7379 -.25823E-06 -.27719E-03 11 norm 45.551 1.1121 .51125E-08 .30876E-01 12 Prefactor .22204E-09 5.9626 -.22513E-06** at limit ** 13 Prefactor 35.417 18.237 -.24545E-06 .30287 14 Prefactor .0000 4.7231 .77166E-07** at limit ** 15 Prefactor .0000 8.0795 -.32449E-06** at limit ** 16 Normalizat 1.1870 .26774 .64694E-05 .15365E-03 17 Prefactor .92373 .13181 -.85741E-06 .20574E-03 ERR DEF= .500 Final values: Prefactor = 4.56302e-08 Prefactor = 38.0904 Prefactor = 6.60583e-09 norm = 2.87249 Prefactor = 0 norm = 0 Prefactor = 27.5528 norm = 2.22045e-10 norm = 6.24186 Prefactor = 1.76253 norm = 45.5506 Prefactor = 2.22045e-10 Prefactor = 35.4173 Prefactor = 0 Prefactor = 0 Normalizat = 1.18701 Prefactor = 0.923733 ********** ** 18 **HESSE ********** FCN= 7703.114 FROM HESSE STATUS=OK 261 CALLS 1454 TOTAL EDM= .42E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .45630E-07 20.424 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 38.090 36.636 .16215E-03 -1.5585 3 Prefactor .66058E-08 14.037 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm 2.8725 2.6050 .59970E-03 -1.5674 5 Prefactor .0000 1.8814 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm .0000 1.1391 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 27.553 52.314 .19189E-03 -1.5603 8 norm .22204E-09 4.5378 .10547E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 norm 6.2419 2.2789 .40161E-03 -1.5658 10 Prefactor 1.7625 6.7650 .79025E-03 -1.5681 11 norm 45.551 18.462 .14820E-03 -1.5573 12 Prefactor .22204E-09 5.9572 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 35.417 30.376 .16855E-03 -1.5589 14 Prefactor .0000 4.7039 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor .0000 8.0695 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Normalizat 1.1870 .22807 .75738E-01 -.87005 17 Prefactor .92373 .10921 .45308E-01 -.95317 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.20832e-06 Minuit parameter uncertainties: 1 0.00193092 2 36.6365 3 0.000609879 4 2.60501 5 4.60449e-06 6 2.14897e-06 7 52.3145 8 6.07252e-05 9 2.27892 10 6.76499 11 18.4617 12 7.6383e-05 13 30.3762 14 2.93477e-06 15 1.02509e-05 16 0.228264 17 0.109238 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7703.11447573 Extracting fit parameters... 4FGL J1553.6+1257 Spectrum: LogParabola 258 norm: 2.220e-10 6.073e-05 0.000e+00 1.000e+06 ( 1.000e-12) 259 alpha: 2.297e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 260 beta: 1.008e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 261 Eb: 6.546e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 520 Prefactor: 9.237e-01 1.092e-01 0.000e+00 1.000e+01 ( 1.000e+00) 521 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 522 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 519 Normalization: 1.187e+00 2.283e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 238.402 12.952 Photon Flux Upper Limit: 1.0355007627e-07 ph cm-2 s-1 Energy Flux Upper Limit: 3.63237350818e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28090636/likelihoodResults_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.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) = 7702.81473782 delta logL = 0.299737912588 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 7702.66511425 delta logL = 0.449361482012 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 1.9495 1.0000 .0000 .10000E+07 2 'alpha ' 3.7942 1.0000 .0000 5.0000 3 'Normalizat' 1.1065 1.0000 .10000E-01 10.000 4 'Prefactor ' .94511 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5230E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 7702.665 FROM MIGRAD STATUS=CONVERGED 82 CALLS 381 TOTAL EDM= .13E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 1.9493 11.540 .12605E-04 .18399E-02 2 alpha 3.7947 4.0994 .23610E-01 .10985E-04 3 Normalizat 1.1066 .27864 .34512E-03 -.23066E-03 4 Prefactor .94507 .13383 .18159E-03 -.36538E-03 ERR DEF= .500 Final values: norm = 1.94928 alpha = 3.79465 Normalizat = 1.10657 Prefactor = 0.945066 ********** ** 18 **HESSE ********** FCN= 7702.665 FROM HESSE STATUS=OK 25 CALLS 406 TOTAL EDM= .14E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 1.9493 4.3561 .50420E-06 -1.5680 2 alpha 3.7947 1.2878 .94442E-03 .54435 3 Normalizat 1.1066 .27930 .13805E-04 -.89541 4 Prefactor .94507 .13373 .36317E-04 -.94584 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.41945e-10 Minuit parameter uncertainties: 1 4.35607 2 1.38197 3 0.279671 4 0.133777 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) = 7702.66511393 delta logL = 0.449361799557 Extracting fit parameters... 4FGL J1553.6+1257 Spectrum: LogParabola 258 norm: 1.949e+00 4.356e+00 0.000e+00 1.000e+06 ( 1.000e-12) 259 alpha: 3.795e+00 1.382e+00 0.000e+00 5.000e+00 ( 1.000e+00) 260 beta: 1.008e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 261 Eb: 6.546e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 520 Prefactor: 9.451e-01 1.338e-01 0.000e+00 1.000e+01 ( 1.000e+00) 521 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 522 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 519 Normalization: 1.107e+00 2.797e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.00 Ra Dec: 238.402 12.952 Photon Index (Free Index): 3.79 +/- 1.38 Photon Flux (Free Index): 6.85e-08 +/- 7.74e-08 Energy Flux (Free Index): 1.11e-05 +/- 1.26e-05 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/28090636/cmap_HighResolution_802310401_802569601_4FGL_J1553.6+1257_daily_bin2172.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.63e-05', comment='SUCCESS', energy_flux2='1.11e-05', dlogl='4.49e-01', photon_flux2='6.85e-08', job_status='DONE', time_completed='2026-06-08 12:48:19.757963', photon_index_error2='1.38', photon_index2='3.79', ts='-0.00', fit_tolerance='1e-08', GAL='0.92', photon_index_error='0.00', photon_flux_upper_limit='1.04e-07', energy_flux_error2='1.26e-05', EG='1.19', time_epoch_completed='1780948099.76', return_code='0', job_id='28090636', GAL2='0.95', EG2='1.11', return_code2='0', photon_flux_error2='7.74e-08', ts2='1.00', photon_index='2.30' WHERE bin_id='2172' AND source_name='4FGL J1553.6+1257' AND cadence='daily'; Database successfully updated. Analysis Complete. Mon Jun 8 12:48:19 PDT 2026