********** ** 18 **HESSE ********** FCN= 23229.50 FROM HESSE STATUS=OK 33 CALLS 290 TOTAL EDM= .34E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 2.7565 3.6837 .12209E-03 -1.5675 2 Index 1.2556 .67821 .19967E-01 -.84638 3 Normalizat .87107 .15695 .42554E-03 -.97484 4 Prefactor 1.0134 .57899E-01 .14533E-03 -.92284 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.41175e-10 Minuit parameter uncertainties: 1 3.68367 2 0.683036 3 0.157028 4 0.0579022 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) = 23229.4994271 delta logL = 0.885882566574 Extracting fit parameters... 4FGL J1753.9+2443 Spectrum: PowerLaw 321 Prefactor: 2.756e+00 3.684e+00 0.000e+00 1.000e+06 ( 1.000e-13) 322 Index: 1.256e+00 6.830e-01 0.000e+00 1.000e+01 (-1.000e+00) 323 Scale: 1.730e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 692 Prefactor: 1.013e+00 5.790e-02 0.000e+00 1.000e+01 ( 1.000e+00) 693 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 694 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 691 Normalization: 8.711e-01 1.570e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 7.39 Ra Dec: 268.496 24.730 Photon Index (Free Index): 1.26 +/- 0.68 Photon Flux (Free Index): 3.20e-09 +/- 4.85e-09 Energy Flux (Free Index): 2.26e-05 +/- 3.16e-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/32654369/cmap_HighResolution_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='1.59e-08', energy_flux2='2.26e-05', photon_flux_error='1.38e-08', dlogl='8.86e-01', energy_flux='7.12e-06', photon_flux2='3.20e-09', job_status='DONE', time_completed='2026-07-21 15:15:48.820105', photon_index_error2='0.68', photon_index2='1.26', ts='5.62', fit_tolerance='1e-08', GAL='1.01', photon_index_error='0.00', energy_flux_error2='3.16e-05', EG='0.86', time_epoch_completed='1784672148.82', return_code='0', job_id='32654369', GAL2='1.01', EG2='0.87', return_code2='0', energy_flux_error='6.18e-06', photon_flux_error2='4.85e-09', ts2='7.39', photon_index='2.20' WHERE bin_id='937' AND source_name='4FGL J1753.9+2443' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 15:15:49 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 = 17284 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1753.9+2443_weekly_bin937 RA = 268.496, Dec = 24.7297 tmin = 805680001, tmax = 806284801 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='32655483', job_status='RUN', time_executed='2026-07-21 15:16:14.712372', time_epoch_executed='1784672174.71' WHERE source_name='4FGL J1753.9+2443' and cadence='weekly' and bin_id='937' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/32655483 Creating custom pfile directory: /lscratch/kocevski/32655483/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/32655483/ft1_4FGL_J1753.9+2443_weekly_bin937.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/32655483/ft1_4FGL_J1753.9+2443_weekly_bin937.fits outfile=/lscratch/kocevski/32655483/ft1_filteredMKT_4FGL_J1753.9+2443_weekly_bin937.fits ra=268.496 dec=24.7297 rad=12.0 tmin=805680001.0 tmax=806284801.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 5.16 user 4.00 sys 0.23 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.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/32655483/ft1_filteredMKT_4FGL_J1753.9+2443_weekly_bin937.fits evtable="EVENTS" outfile="/lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.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 1.03 user 0.20 sys 0.12 Number of photons that the gtmktime cut: 2257 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits" evtable="EVENTS" scfile=/lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits sctable="SC_DATA" outfile=/lscratch/kocevski/32655483/ltcube_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.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/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits .....................! real 17.79 user 16.60 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits sctable="SC_DATA" expcube=/lscratch/kocevski/32655483/ltcube_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.fits outfile=/lscratch/kocevski/32655483/expmap_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.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/32655483/ltcube_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.fits .....................! real 64.76 user 59.99 sys 3.38 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 206 point sources and 0 extended sources Setting source of interest to: 4FGL J1753.9+2443 @ 268.496 24.7297 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits scfile=/lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits outfile=/lscratch/kocevski/32655483/cmap_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.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=268.496 yref=24.7297 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 0.99 user 0.22 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits scfile=/lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits outfile=/lscratch/kocevski/32655483/cmap_HighResolution_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.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=268.496 yref=24.7297 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 1.06 user 0.22 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/32655483/Model_4FGL_J1753.9+2443_weekly_bin937.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/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits.....................! real 67.17 user 64.64 sys 1.17 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits', '/lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits', expMap='/lscratch/kocevski/32655483/expmap_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.fits', expCube='/lscratch/kocevski/32655483/ltcube_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32655483/Model_4FGL_J1753.9+2443_weekly_bin937.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1753.9+2443' 4FGL J1753.9+2443 Spectrum: PowerLaw 321 Prefactor: 1.323e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 322 Index: 2.200e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 323 Scale: 1.730e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/32655483/ft1_filtered_4FGL_J1753.9+2443_weekly_bin937.fits Spacecraft file(s): /lscratch/kocevski/32655483/ft2_4FGL_J1753.9+2443_weekly_bin937.fits Exposure map: /lscratch/kocevski/32655483/expmap_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.fits Exposure cube: /lscratch/kocevski/32655483/ltcube_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32655483/Model_4FGL_J1753.9+2443_weekly_bin937.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) = 23230.3887372 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23230.3861444 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 12.168 1.0000 .0000 .10000E+07 2 'norm ' 1.3180 1.0000 .0000 .10000E+07 3 'norm ' .57513E-04 1.0000 .0000 .10000E+07 4 'Prefactor ' 23.083 1.0000 .0000 .10000E+07 5 'Prefactor ' .58953E-07 1.0000 .0000 .10000E+07 6 'Prefactor ' .56541E-03 1.0000 .0000 .10000E+07 7 'Prefactor ' 81.983 1.0000 .0000 .10000E+07 8 'Prefactor ' 3.5986 1.0000 .0000 .10000E+07 9 'norm ' 1.2431 1.0000 .0000 .10000E+07 10 'norm ' .40910 1.0000 .0000 .10000E+07 11 'Prefactor ' .79458 1.0000 .0000 .10000E+07 12 'norm ' .89428E-07 1.0000 .0000 .10000E+07 13 'Prefactor ' .42854E-03 1.0000 .0000 .10000E+07 14 'Prefactor ' 7.0648 1.0000 .0000 .10000E+07 15 'Prefactor ' .79931E-03 1.0000 .0000 .10000E+07 16 'Prefactor ' 2.2537 1.0000 .0000 .10000E+07 17 'Normalizat' .86103 1.0000 .10000E-01 10.000 18 'Prefactor ' 1.0139 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6950E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23230.39 FROM MIGRAD STATUS=CONVERGED 124 CALLS 1373 TOTAL EDM= .11E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 12.149 21.409 -.40291E-05 -.27243E-02 2 norm 1.3180 1.0782 .95884E-08 -.53343E-02 3 norm .27756E-09 15.390 -.92757E-07** at limit ** 4 Prefactor 23.113 3.6521 -.30744E-06 .98239E-02 5 Prefactor .0000 3.0712 -.13499E-08** at limit ** 6 Prefactor .14932E-07 38.804 .30212E-05** at limit ** 7 Prefactor 81.965 23.402 -.75380E-06 .40853E-01 8 Prefactor 3.5970 3.1213 -.57781E-07 -.49210E-04 9 norm 1.2434 .83554 -.15770E-07 -.30243E-02 10 norm .89078E-05 425.98 .10176E-04** at limit ** 11 Prefactor .82700 2.6566 -.41453E-06 -.34605E-03 12 norm .0000 1.1763 .52938E-07** at limit ** 13 Prefactor .11102E-09 4.7588 -.14931E-06** at limit ** 14 Prefactor 7.0631 3.1563 .16033E-06 -.78961E-03 15 Prefactor .16653E-09 5.4988 -.30479E-06** at limit ** 16 Prefactor 2.2445 4.0917 -.38277E-07 -.63965E-03 17 Normalizat .86108 .16030 -.26770E-05 -.21841E-03 18 Prefactor 1.0139 .58026E-01 .39969E-06 -.27035E-03 ERR DEF= .500 Final values: Prefactor = 12.1486 norm = 1.31796 norm = 2.77556e-10 Prefactor = 23.1132 Prefactor = 0 Prefactor = 1.49325e-08 Prefactor = 81.9651 Prefactor = 3.59698 norm = 1.2434 norm = 8.90776e-06 Prefactor = 0.826995 norm = 0 Prefactor = 1.11022e-10 Prefactor = 7.06306 Prefactor = 1.66533e-10 Prefactor = 2.24454 Normalizat = 0.861079 Prefactor = 1.01389 ********** ** 18 **HESSE ********** FCN= 23230.39 FROM HESSE STATUS=OK 290 CALLS 1663 TOTAL EDM= .16E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 12.149 21.426 .28692E-03 -1.5638 2 norm 1.3180 1.0774 .95858E-04 -1.5685 3 norm .27756E-09 15.431 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 23.113 44.653 .20819E-03 -1.5612 5 Prefactor .0000 3.0769 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .14932E-07 38.869 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 81.965 47.568 .11045E-03 -1.5527 8 Prefactor 3.5970 3.1222 .53242E-03 -1.5670 9 norm 1.2434 .84046 .10046E-02 -1.5686 10 norm .89078E-05 11.134 .17817E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor .82700 2.6558 .53340E-03 -1.5690 12 norm .0000 1.1866 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .11102E-09 4.7746 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor 7.0631 3.1603 .37718E-03 -1.5655 15 Prefactor .16653E-09 5.5017 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 2.2445 4.0973 .68411E-03 -1.5678 17 Normalizat .86108 .14732 .96547E-01 -.97842 18 Prefactor 1.0139 .51914E-01 .32879E-01 -.92268 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.56466e-06 Minuit parameter uncertainties: 1 21.4261 2 1.07741 3 0.000124963 4 44.6539 5 4.63881e-06 6 0.00152444 7 47.5682 8 3.12225 9 0.840465 10 0.0199178 11 2.65582 12 4.51406e-06 13 4.76771e-05 14 3.16028 15 6.13954e-05 16 4.09728 17 0.147387 18 0.0519164 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 23230.3853096 Extracting fit parameters... 4FGL J1753.9+2443 Spectrum: PowerLaw 321 Prefactor: 3.597e+00 3.122e+00 0.000e+00 1.000e+06 ( 1.000e-13) 322 Index: 2.200e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 323 Scale: 1.730e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 692 Prefactor: 1.014e+00 5.192e-02 0.000e+00 1.000e+01 ( 1.000e+00) 693 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 694 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 691 Normalization: 8.611e-01 1.474e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 5.62 Ra Dec: 268.496 24.730 Photon Index (Fixed Index): 2.20 +/- 0.00 Photon Flux (Fixed Index): 1.59e-08 +/- 1.38e-08 Energy Flux (Fixed Index): 7.12e-06 +/- 6.18e-06 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) = 23229.5208382 delta logL = 0.86447146261 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 23229.4994271 delta logL = 0.885882551633 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 2.7565 1.0000 .0000 .10000E+07 2 'Index ' 1.2556 1.0000 .0000 10.000 3 'Normalizat' .87107 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0134 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6950E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. FCN= 23229.50 FROM MIGRAD STATUS=CONVERGED 55 CALLS 257 TOTAL EDM= .71E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 2.7565 2.7614 .0000 -.22823 2 Index 1.2556 .45044 .0000 -.74073E-04 3 Normalizat .87107 .14032 .0000 .86791E-04 4 Prefactor 1.0134 .51541E-01 .0000 -.15758E-04 ERR DEF= .500 Final values: Prefactor = 2.75649 Index = 1.25558 Normalizat = 0.871068 Prefactor = 1.01341 ********** ** 18 **HESSE ********** FCN= 23229.50 FROM HESSE STATUS=OK 33 CALLS 290 TOTAL EDM= .34E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 2.7565 3.6837 .12209E-03 -1.5675 2 Index 1.2556 .67821 .19967E-01 -.84638 3 Normalizat .87107 .15695 .42554E-03 -.97484 4 Prefactor 1.0134 .57899E-01 .14533E-03 -.92284 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 3.41175e-10 Minuit parameter uncertainties: 1 3.68367 2 0.683036 3 0.157028 4 0.0579022 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) = 23229.4994271 delta logL = 0.885882566574 Extracting fit parameters... 4FGL J1753.9+2443 Spectrum: PowerLaw 321 Prefactor: 2.756e+00 3.684e+00 0.000e+00 1.000e+06 ( 1.000e-13) 322 Index: 1.256e+00 6.830e-01 0.000e+00 1.000e+01 (-1.000e+00) 323 Scale: 1.730e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 692 Prefactor: 1.013e+00 5.790e-02 0.000e+00 1.000e+01 ( 1.000e+00) 693 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 694 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 691 Normalization: 8.711e-01 1.570e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 7.39 Ra Dec: 268.496 24.730 Photon Index (Free Index): 1.26 +/- 0.68 Photon Flux (Free Index): 3.20e-09 +/- 4.85e-09 Energy Flux (Free Index): 2.26e-05 +/- 3.16e-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/32655483/cmap_HighResolution_805680001_806284801_4FGL_J1753.9+2443_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='1.59e-08', energy_flux2='2.26e-05', photon_flux_error='1.38e-08', dlogl='8.86e-01', energy_flux='7.12e-06', photon_flux2='3.20e-09', job_status='DONE', time_completed='2026-07-21 15:30:58.914854', photon_index_error2='0.68', photon_index2='1.26', ts='5.62', fit_tolerance='1e-08', GAL='1.01', photon_index_error='0.00', energy_flux_error2='3.16e-05', EG='0.86', time_epoch_completed='1784673058.91', return_code='0', job_id='32655483', GAL2='1.01', EG2='0.87', return_code2='0', energy_flux_error='6.18e-06', photon_flux_error2='4.85e-09', ts2='7.39', photon_index='2.20' WHERE bin_id='937' AND source_name='4FGL J1753.9+2443' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 15:30:59 PDT 2026