17 **MINIMIZE .6530E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9640.212 FROM MIGRAD STATUS=CONVERGED 208 CALLS 2294 TOTAL EDM= .90E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .95979E-07 11.861 .57173E-06** at limit ** 2 Prefactor .11141E-06 11.847 -.48489E-06** at limit ** 3 Prefactor 2.6051 2.3329 .81427E-07 .12315E-02 4 Prefactor .13284E-06 9.7080 -.31891E-06** at limit ** 5 Prefactor 28.696 7.7330 -.11478E-06 .62184E-02 6 Prefactor 1.6830 2.0879 -.83930E-07 -.14798E-03 7 norm .0000 .52190E-01 .44837E-07** at limit ** 8 norm .14433E-08 9.5324 -.36972E-06** at limit ** 9 Prefactor .26645E-08 7.3232 -.48845E-07** at limit ** 10 Prefactor .66562 6.0137 .36529E-07 -.72035E-03 11 norm .16875E-07 1.3052 .16507E-06** at limit ** 12 Prefactor .0000 1.2276 -.28587E-06** at limit ** 13 Prefactor 2.2951 .89722 -.38488E-07 -.62894E-02 14 Prefactor .29633 4.3688 .12260E-06 .92658E-03 15 Prefactor .14710E-07 109.70 -.41406E-05** at limit ** 16 norm 4.5812 1.5385 -.55855E-07 -.93783E-03 17 norm .99207 .66365 -.22537E-07 .18132E-02 18 Prefactor 2.3473 4.3233 -.89682E-07 -.76417E-03 19 norm .12545E-01 2.2959 -.21388E-06** at limit ** 20 norm .54820 15.290 -.73648E-06 .75323E-04 21 norm 1.4924 1.0084 -.33382E-07 .30933E-02 22 norm 12.994 4.6605 -.92785E-07 -.39141E-03 23 Prefactor .14821E-07 9.8456 .93990E-06** at limit ** 24 Normalizat 1.1207 .18083 -.14365E-05 -.12050E-03 25 Prefactor .82659 .14215 .23084E-05 -.90735E-04 ERR DEF= .500 Final values: Prefactor = 9.59788e-08 Prefactor = 1.11411e-07 Prefactor = 2.60507 Prefactor = 1.32838e-07 Prefactor = 28.6963 Prefactor = 1.68301 norm = 0 norm = 1.44329e-09 Prefactor = 2.66454e-09 Prefactor = 0.665619 norm = 1.68754e-08 Prefactor = 0 Prefactor = 2.29508 Prefactor = 0.29633 Prefactor = 1.47105e-08 norm = 4.58116 norm = 0.992074 Prefactor = 2.34732 norm = 0.0125449 norm = 0.548198 norm = 1.49242 norm = 12.9935 Prefactor = 1.48215e-08 Normalizat = 1.12069 Prefactor = 0.82659 /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). ********** ** 18 **HESSE ********** FCN= 9640.212 FROM HESSE STATUS=OK 513 CALLS 2807 TOTAL EDM= .20E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .95979E-07 18.474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .11141E-06 17.322 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor 2.6051 2.3514 .63216E-03 -1.5676 4 Prefactor .13284E-06 15.847 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 28.696 20.454 .18675E-03 -1.5601 6 Prefactor 1.6830 2.1105 .81131E-03 -1.5682 7 norm .0000 .26020E-01 .83666E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .14433E-08 9.6712 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .26645E-08 7.5011 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .66562 6.7011 .62921E-03 -1.5692 11 norm .16875E-07 17.784 .14440E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 .46003 .30111E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 2.2951 1.0716 .67755E-03 -1.5678 14 Prefactor .29633 1.1958 .54351E-02 -1.5697 15 Prefactor .14710E-07 1.7239 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.5812 1.5464 .47007E-03 -1.5665 17 norm .99207 .67501 .43510E-03 -1.5688 18 Prefactor 2.3473 4.3834 .67219E-03 -1.5677 19 norm .12545E-01 .19237 .24589E-02 -1.5710 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .54820 15.435 .71400E-03 -1.5693 21 norm 1.4924 1.0168 .87708E-03 -1.5684 22 norm 12.994 4.7215 .27817E-03 -1.5636 23 Prefactor .14821E-07 10.546 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat 1.1207 .15523 .55644E-01 -.89090 25 Prefactor .82659 .11890 .44064E-01 -.98756 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.97286e-06 Minuit parameter uncertainties: 1 0.002663 2 0.00277832 3 2.35144 4 0.00290203 5 20.4545 6 2.11054 7 8.24849e-09 8 0.000237798 9 0.000281763 10 4.22393 11 0.00109653 12 6.99233e-06 13 1.07158 14 1.19057 15 0.000318648 16 1.54636 17 0.675012 18 4.38338 19 0.0982511 20 5.81764 21 1.01682 22 4.72153 23 0.000791157 24 0.155297 25 0.118934 number of points = 7621 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1642.9+3948_daily_bin2206 RA = 250.734, Dec = 39.8164 tmin = 811123201, tmax = 811382401 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='38574723', job_status='RUN', time_executed='2026-09-18 13:49:17.229393', time_epoch_executed='1789764557.23' WHERE source_name='4FGL J1642.9+3948' and cadence='daily' and bin_id='2206' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/38574723 Creating custom pfile directory: /lscratch/kocevski/38574723/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=811123201.0 && nMetStart<811382401.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=811123201.0 && nMetStart<811382401.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/38574723/ft1_4FGL_J1642.9+3948_daily_bin2206.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=811123201.0 && nMetStart<811382401.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/38574723/ft1_4FGL_J1642.9+3948_daily_bin2206.fits outfile=/lscratch/kocevski/38574723/ft1_filteredMKT_4FGL_J1642.9+3948_daily_bin2206.fits ra=250.734 dec=39.8164 rad=12.0 tmin=811123201.0 tmax=811382401.0 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 2.78 user 2.24 sys 0.19 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.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/38574723/ft1_filteredMKT_4FGL_J1642.9+3948_daily_bin2206.fits evtable="EVENTS" outfile="/lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.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 0.53 user 0.21 sys 0.12 Number of photons that the gtmktime cut: 900 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits" evtable="EVENTS" scfile=/lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits sctable="SC_DATA" ouDone. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9640.21181048 Extracting fit parameters... 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 2.295e+00 1.072e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.402e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 650 Prefactor: 8.266e-01 1.189e-01 0.000e+00 1.000e+01 ( 1.000e+00) 651 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 652 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 649 Normalization: 1.121e+00 1.553e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 13.77 Ra Dec: 250.734 39.816 Photon Index (Fixed Index): 2.40 +/- 0.00 Photon Flux (Fixed Index): 8.85e-08 +/- 4.13e-08 Energy Flux (Fixed Index): 2.89e-05 +/- 1.35e-05 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) = 9640.15773092 delta logL = 0.0540795538363 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9640.15307653 delta logL = 0.0587339480044 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.9682 1.0000 .0000 .10000E+07 2 'Index ' 2.5250 1.0000 .0000 10.000 3 'Normalizat' 1.1106 1.0000 .10000E-01 10.000 4 'Prefactor ' .83188 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6530E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 9640.153 FROM MIGRAD STATUS=CONVERGED 52 CALLS 234 TOTAL EDM= .16E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.9682 8.8353 .73887E-03 -.30002E-02 2 Index 2.5250 2.0538 .10522 .21636E-03 3 Normalizat 1.1106 .61652E-01 .55851E-01 -.56122E-04 4 Prefactor .83188 .43575E-01 .44131E-01 -.42606E-04 ERR DEF= .500 Final values: Prefactor = 1.96823 Index = 2.52498 Normalizat = 1.11061 Prefactor = 0.831879 ********** ** 18 **HESSE ********** FCN= 9640.153 FROM HESSE STATUS=OK 33 CALLS 267 TOTAL EDM= .77E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.9682 1.3295 .49365E-05 -1.5680 2 Index 2.5250 .39802 .40721E-02 -.51784 3 Normalizat 1.1106 .17408 .24697E-03 -.89412 4 Prefactor .83188 .14070 .23076E-03 -.98564 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 7.65504e-09 Minuit parameter uncertainties: 1 1.32954 2 0.398576 3 0.174175 4 0.140761 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) = 9640.15307651 delta logL = 0.0587339614103 Extracting fit parameters... 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 1.968e+00 1.330e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.525e+00 3.986e-01 0.000e+00 1.000e+01 (-1.000e+00) 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 650 Prefactor: 8.319e-01 1.408e-01 0.000e+00 1.000e+01 ( 1.000e+00) 651 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 652 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 649 Normalization: 1.111e+00 1.742e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 13.98 Ra Dec: 250.734 39.816 Photon Index (Free Index): 2.52 +/- 0.40 Photon Flux (Free Index): 9.63e-08 +/- 4.20e-08 Energy Flux (Free Index): 2.72e-05 +/- 1.16e-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/38574456/cmap_HighResolution_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='8.85e-08', energy_flux2='2.72e-05', photon_flux_error='4.13e-08', dlogl='5.87e-02', energy_flux='2.89e-05', photon_flux2='9.63e-08', job_status='DONE', time_completed='2026-09-18 13:49:56.142344', photon_index_error2='0.40', photon_index2='2.52', ts='13.77', fit_tolerance='1e-08', GAL='0.83', photon_index_error='0.00', energy_flux_error2='1.16e-05', EG='1.12', time_epoch_completed='1789764596.14', return_code='0', job_id='38574456', GAL2='0.83', EG2='1.11', return_code2='0', energy_flux_error='1.35e-05', photon_flux_error2='4.20e-08', ts2='13.98', photon_index='2.40' WHERE bin_id='2206' AND source_name='4FGL J1642.9+3948' AND cadence='daily'; Database successfully updated. Analysis Complete. Fri Sep 18 13:49:56 PDT 2026 _V02 Working on... /lscratch/kocevski/38574564/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits....................! real 31.26 user 29.76 sys 0.94 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/38574564/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits', '/lscratch/kocevski/38574564/ft2_4FGL_J1642.9+3948_daily_bin2206.fits', expMap='/lscratch/kocevski/38574564/expmap_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits', expCube='/lscratch/kocevski/38574564/ltcube_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/38574564/Model_4FGL_J1642.9+3948_daily_bin2206.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1642.9+3948' 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 1.494e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.402e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/38574564/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits Spacecraft file(s): /lscratch/kocevski/38574564/ft2_4FGL_J1642.9+3948_daily_bin2206.fits Exposure map: /lscratch/kocevski/38574564/expmap_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits Exposure cube: /lscratch/kocevski/38574564/ltcube_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/38574564/Model_4FGL_J1642.9+3948_daily_bin2206.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) = 9640.25277162 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9640.21250501 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .19837E-03 1.0000 .0000 .10000E+07 2 'Prefactor ' .28637E-04 1.0000 .0000 .10000E+07 3 'Prefactor ' 2.6022 1.0000 .0000 .10000E+07 4 'Prefactor ' .86865E-03 1.0000 .0000 .10000E+07 5 'Prefactor ' 28.684 1.0000 .0000 .10000E+07 6 'Prefactor ' 1.6838 1.0000 .0000 .10000E+07 7 'norm ' .18485E-07 1.0000 .0000 .10000E+07 8 'norm ' .32899E-02 1.0000 .0000 .10000E+07 9 'Prefactor ' .79949E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' .67308 1.0000 .0000 .10000E+07 11 'norm ' .82007E-01 1.0000 .0000 .10000E+07 12 'Prefactor ' .14121E-05 1.0000 .0000 .10000E+07 13 'Prefactor ' 2.2931 1.0000 .0000 .10000E+07 14 'Prefactor ' .29455 1.0000 .0000 .10000E+07 15 'Prefactor ' .47936E-02 1.0000 .0000 .10000E+07 16 'norm ' 4.5808 1.0000 .0000 .10000E+07 17 'norm ' .99280 1.0000 .0000 .10000E+07 18 'Prefactor ' 2.3261 1.0000 .0000 .10000E+07 19 'norm ' .11443E-01 1.0000 .0000 .10000E+07 20 'norm ' .57606 1.0000 .0000 .10000E+07 21 'norm ' 1.4923 1.0000 .0000 .10000E+07 22 'norm ' 12.943 1.0000 .0000 .10000E+07 23 'Prefactor ' .61275E-03 1.0000 .0000 .10000E+07 24 'Normalizat' 1.1208 1.0000 .10000E-01 10.000 25 'Prefactor ' .82668 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6530E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9640.212 FROM MIGRAD STATUS=CONVERGED 208 CALLS 2294 TOTAL EDM= .90E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .95979E-07 11.861 .57173E-06** at limit ** 2 Prefactor .11141E-06 11.847 -.48489E-06** at limit ** 3 Prefactor 2.6051 2.3329 .81427E-07 .12315E-02 4 Prefactor .13284E-06 9.7080 -.31891E-06** at limit ** 5 Prefactor 28.696 7.7330 -.11478E-06 .62184E-02 6 Prefactor 1.6830 2.0879 -.83930E-07 -.14798E-03 7 norm .0000 .52190E-01 .44837E-07** at limit ** 8 norm .14433E-08 9.5324 -.36972E-06** at limit ** 9 Prefactor .26645E-08 7.3232 -.48845E-07** at limit ** 10 Prefactor .66562 6.0137 .36529E-07 -.72035E-03 11 norm .16875E-07 1.3052 .16507E-06** at limit ** 12 Prefactor .0000 1.2276 -.28587E-06** at limit ** 13 Prefactor 2.2951 .89722 -.38488E-07 -.62894E-02 14 Prefactor .29633 4.3688 .12260E-06 .92658E-03 15 Prefactor .14710E-07 109.70 -.41406E-05** at limit ** 16 norm 4.5812 1.5385 -.55855E-07 -.93783E-03 17 norm .99207 .66365 -.22537E-07 .18132E-02 18 Prefactor 2.3473 4.3233 -.89682E-07 -.76417E-03 19 norm .12545E-01 2.2959 -.21388E-06** at limit ** 20 norm .54820 15.290 -.73648E-06 .75323E-04 21 norm 1.4924 1.0084 -.33382E-07 .30933E-02 22 norm 12.994 4.6605 -.92785E-07 -.39141E-03 23 Prefactor .14821E-07 9.8456 .93990E-06** at limit ** 24 Normalizat 1.1207 .18083 -.14365E-05 -.12050E-03 25 Prefactor .82659 .14215 .23084E-05 -.90735E-04 ERR DEF= .500 Final values: Prefactor = 9.59788e-08 Prefactor = 1.11411e-07 Prefactor = 2.60507 Prefactor = 1.32838e-07 Prefactor = 28.6963 Prefactor = 1.68301 norm = 0 norm = 1.44329e-09 Prefactor = 2.66454e-09 Prefactor = 0.665619 norm = 1.68754e-08 Prefactor = 0 Prefactor = 2.29508 Prefactor = 0.29633 Prefactor = 1.47105e-08 norm = 4.58116 norm = 0.992074 Prefactor = 2.34732 norm = 0.0125449 norm = 0.548198 norm = 1.49242 norm = 12.9935 Prefactor = 1.48215e-08 Normalizat = 1.12069 Prefactor = 0.82659 tfile=/lscratch/kocevski/38574723/ltcube_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.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/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits .....................! real 9.41 user 8.91 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits evtable="EVENTS" scfile=/lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits sctable="SC_DATA" expcube=/lscratch/kocevski/38574723/ltcube_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits outfile=/lscratch/kocevski/38574723/expmap_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.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/38574723/ltcube_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits .....................! real 76.67 user 71.36 sys 4.35 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 202 point sources and 0 extended sources Setting source of interest to: 4FGL J1642.9+3948 @ 250.734 39.8164 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits scfile=/lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits outfile=/lscratch/kocevski/38574723/cmap_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.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=250.734 yref=39.8164 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 0.63 user 0.25 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits scfile=/lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits outfile=/lscratch/kocevski/38574723/cmap_HighResolution_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.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=250.734 yref=39.8164 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 0.64 user 0.25 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits evtable="EVENTS" scfile=/lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/38574723/Model_4FGL_J1642.9+3948_daily_bin2206.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 ********** ** 18 **HESSE ********** FCN= 9640.212 FROM HESSE STATUS=OK 513 CALLS 2807 TOTAL EDM= .20E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .95979E-07 18.474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .11141E-06 17.322 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor 2.6051 2.3514 .63216E-03 -1.5676 4 Prefactor .13284E-06 15.847 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 28.696 20.454 .18675E-03 -1.5601 6 Prefactor 1.6830 2.1105 .81131E-03 -1.5682 7 norm .0000 .26020E-01 .83666E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .14433E-08 9.6712 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .26645E-08 7.5011 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .66562 6.7011 .62921E-03 -1.5692 11 norm .16875E-07 17.784 .14440E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 .46003 .30111E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 2.2951 1.0716 .67755E-03 -1.5678 14 Prefactor .29633 1.1958 .54351E-02 -1.5697 15 Prefactor .14710E-07 1.7239 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.5812 1.5464 .47007E-03 -1.5665 17 norm .99207 .67501 .43510E-03 -1.5688 18 Prefactor 2.3473 4.3834 .67219E-03 -1.5677 19 norm .12545E-01 .19237 .24589E-02 -1.5710 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .54820 15.435 .71400E-03 -1.5693 21 norm 1.4924 1.0168 .87708E-03 -1.5684 22 norm 12.994 4.7215 .27817E-03 -1.5636 23 Prefactor .14821E-07 10.546 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat 1.1207 .15523 .55644E-01 -.89090 25 Prefactor .82659 .11890 .44064E-01 -.98756 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.97286e-06 Minuit parameter uncertainties: 1 0.002663 2 0.00277832 3 2.35144 4 0.00290203 5 20.4545 6 2.11054 7 8.24849e-09 8 0.000237798 9 0.000281763 10 4.22393 11 0.00109653 12 6.99233e-06 13 1.07158 14 1.19057 15 0.000318648 16 1.54636 17 0.675012 18 4.38338 19 0.0982511 20 5.81764 21 1.01682 22 4.72153 23 0.000791157 24 0.155297 25 0.118934 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9640.21181048 Extracting fit parameters... 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 2.295e+00 1.072e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.402e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 650 Prefactor: 8.266e-01 1.189e-01 0.000e+00 1.000e+01 ( 1.000e+00) 651 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 652 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 649 Normalization: 1.121e+00 1.553e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 13.77 Ra Dec: 250.734 39.816 Photon Index (Fixed Index): 2.40 +/- 0.00 Photon Flux (Fixed Index): 8.85e-08 +/- 4.13e-08 Energy Flux (Fixed Index): 2.89e-05 +/- 1.35e-05 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) = 9640.15773092 delta logL = 0.0540795538363 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9640.15307653 delta logL = 0.0587339480044 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.9682 1.0000 .0000 .10000E+07 2 'Index ' 2.5250 1.0000 .0000 10.000 3 'Normalizat' 1.1106 1.0000 .10000E-01 10.000 4 'Prefactor ' .83188 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6530E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 9640.153 FROM MIGRAD STATUS=CONVERGED 52 CALLS 234 TOTAL EDM= .16E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.9682 8.8353 .73887E-03 -.30002E-02 2 Index 2.5250 2.0538 .10522 .21636E-03 3 Normalizat 1.1106 .61652E-01 .55851E-01 -.56122E-04 4 Prefactor .83188 .43575E-01 .44131E-01 -.42606E-04 ERR DEF= .500 Final values: Prefactor = 1.96823 Index = 2.52498 Normalizat = 1.11061 Prefactor = 0.831879 ********** ** 18 **HESSE ********** FCN= 9640.153 FROM HESSE STATUS=OK 33 CALLS 267 TOTAL EDM= .77E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.9682 1.3295 .49365E-05 -1.5680 2 Index 2.5250 .39802 .40721E-02 -.51784 3 Normalizat 1.1106 .17408 .24697E-03 -.89412 4 Prefactor .83188 .14070 .23076E-03 -.98564 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 7.65504e-09 Minuit parameter uncertainties: 1 1.32954 2 0.398576 3 0.174175 4 0.140761 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) = 9640.15307651 delta logL = 0.0587339614103 Extracting fit parameters... 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 1.968e+00 1.330e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.525e+00 3.986e-01 0.000e+00 1.000e+01 (-1.000e+00) 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 650 Prefactor: 8.319e-01 1.408e-01 0.000e+00 1.000e+01 ( 1.000e+00) 651 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 652 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 649 Normalization: 1.111e+00 1.742e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 13.98 Ra Dec: 250.734 39.816 Photon Index (Free Index): 2.52 +/- 0.40 Photon Flux (Free Index): 9.63e-08 +/- 4.20e-08 Energy Flux (Free Index): 2.72e-05 +/- 1.16e-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/38574564/cmap_HighResolution_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='8.85e-08', energy_flux2='2.72e-05', photon_flux_error='4.13e-08', dlogl='5.87e-02', energy_flux='2.89e-05', photon_flux2='9.63e-08', job_status='DONE', time_completed='2026-09-18 13:52:26.374906', photon_index_error2='0.40', photon_index2='2.52', ts='13.77', fit_tolerance='1e-08', GAL='0.83', photon_index_error='0.00', energy_flux_error2='1.16e-05', EG='1.12', time_epoch_completed='1789764746.37', return_code='0', job_id='38574564', GAL2='0.83', EG2='1.11', return_code2='0', energy_flux_error='1.35e-05', photon_flux_error2='4.20e-08', ts2='13.98', photon_index='2.40' WHERE bin_id='2206' AND source_name='4FGL J1642.9+3948' AND cadence='daily'; Database successfully updated. Analysis Complete. Fri Sep 18 13:52:26 PDT 2026 _V02 Working on... /lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits....................! real 31.97 user 30.35 sys 1.04 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits', '/lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits', expMap='/lscratch/kocevski/38574723/expmap_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits', expCube='/lscratch/kocevski/38574723/ltcube_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/38574723/Model_4FGL_J1642.9+3948_daily_bin2206.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1642.9+3948' 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 1.494e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.402e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/38574723/ft1_filtered_4FGL_J1642.9+3948_daily_bin2206.fits Spacecraft file(s): /lscratch/kocevski/38574723/ft2_4FGL_J1642.9+3948_daily_bin2206.fits Exposure map: /lscratch/kocevski/38574723/expmap_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits Exposure cube: /lscratch/kocevski/38574723/ltcube_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/38574723/Model_4FGL_J1642.9+3948_daily_bin2206.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) = 9640.25277162 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9640.21250501 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .19837E-03 1.0000 .0000 .10000E+07 2 'Prefactor ' .28637E-04 1.0000 .0000 .10000E+07 3 'Prefactor ' 2.6022 1.0000 .0000 .10000E+07 4 'Prefactor ' .86865E-03 1.0000 .0000 .10000E+07 5 'Prefactor ' 28.684 1.0000 .0000 .10000E+07 6 'Prefactor ' 1.6838 1.0000 .0000 .10000E+07 7 'norm ' .18485E-07 1.0000 .0000 .10000E+07 8 'norm ' .32899E-02 1.0000 .0000 .10000E+07 9 'Prefactor ' .79949E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' .67308 1.0000 .0000 .10000E+07 11 'norm ' .82007E-01 1.0000 .0000 .10000E+07 12 'Prefactor ' .14121E-05 1.0000 .0000 .10000E+07 13 'Prefactor ' 2.2931 1.0000 .0000 .10000E+07 14 'Prefactor ' .29455 1.0000 .0000 .10000E+07 15 'Prefactor ' .47936E-02 1.0000 .0000 .10000E+07 16 'norm ' 4.5808 1.0000 .0000 .10000E+07 17 'norm ' .99280 1.0000 .0000 .10000E+07 18 'Prefactor ' 2.3261 1.0000 .0000 .10000E+07 19 'norm ' .11443E-01 1.0000 .0000 .10000E+07 20 'norm ' .57606 1.0000 .0000 .10000E+07 21 'norm ' 1.4923 1.0000 .0000 .10000E+07 22 'norm ' 12.943 1.0000 .0000 .10000E+07 23 'Prefactor ' .61275E-03 1.0000 .0000 .10000E+07 24 'Normalizat' 1.1208 1.0000 .10000E-01 10.000 25 'Prefactor ' .82668 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6530E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9640.212 FROM MIGRAD STATUS=CONVERGED 208 CALLS 2294 TOTAL EDM= .90E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .95979E-07 11.861 .57173E-06** at limit ** 2 Prefactor .11141E-06 11.847 -.48489E-06** at limit ** 3 Prefactor 2.6051 2.3329 .81427E-07 .12315E-02 4 Prefactor .13284E-06 9.7080 -.31891E-06** at limit ** 5 Prefactor 28.696 7.7330 -.11478E-06 .62184E-02 6 Prefactor 1.6830 2.0879 -.83930E-07 -.14798E-03 7 norm .0000 .52190E-01 .44837E-07** at limit ** 8 norm .14433E-08 9.5324 -.36972E-06** at limit ** 9 Prefactor .26645E-08 7.3232 -.48845E-07** at limit ** 10 Prefactor .66562 6.0137 .36529E-07 -.72035E-03 11 norm .16875E-07 1.3052 .16507E-06** at limit ** 12 Prefactor .0000 1.2276 -.28587E-06** at limit ** 13 Prefactor 2.2951 .89722 -.38488E-07 -.62894E-02 14 Prefactor .29633 4.3688 .12260E-06 .92658E-03 15 Prefactor .14710E-07 109.70 -.41406E-05** at limit ** 16 norm 4.5812 1.5385 -.55855E-07 -.93783E-03 17 norm .99207 .66365 -.22537E-07 .18132E-02 18 Prefactor 2.3473 4.3233 -.89682E-07 -.76417E-03 19 norm .12545E-01 2.2959 -.21388E-06** at limit ** 20 norm .54820 15.290 -.73648E-06 .75323E-04 21 norm 1.4924 1.0084 -.33382E-07 .30933E-02 22 norm 12.994 4.6605 -.92785E-07 -.39141E-03 23 Prefactor .14821E-07 9.8456 .93990E-06** at limit ** 24 Normalizat 1.1207 .18083 -.14365E-05 -.12050E-03 25 Prefactor .82659 .14215 .23084E-05 -.90735E-04 ERR DEF= .500 Final values: Prefactor = 9.59788e-08 Prefactor = 1.11411e-07 Prefactor = 2.60507 Prefactor = 1.32838e-07 Prefactor = 28.6963 Prefactor = 1.68301 norm = 0 norm = 1.44329e-09 Prefactor = 2.66454e-09 Prefactor = 0.665619 norm = 1.68754e-08 Prefactor = 0 Prefactor = 2.29508 Prefactor = 0.29633 Prefactor = 1.47105e-08 norm = 4.58116 norm = 0.992074 Prefactor = 2.34732 norm = 0.0125449 norm = 0.548198 norm = 1.49242 norm = 12.9935 Prefactor = 1.48215e-08 Normalizat = 1.12069 Prefactor = 0.82659 ********** ** 18 **HESSE ********** FCN= 9640.212 FROM HESSE STATUS=OK 513 CALLS 2807 TOTAL EDM= .20E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .95979E-07 18.474 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .11141E-06 17.322 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor 2.6051 2.3514 .63216E-03 -1.5676 4 Prefactor .13284E-06 15.847 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 28.696 20.454 .18675E-03 -1.5601 6 Prefactor 1.6830 2.1105 .81131E-03 -1.5682 7 norm .0000 .26020E-01 .83666E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .14433E-08 9.6712 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .26645E-08 7.5011 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .66562 6.7011 .62921E-03 -1.5692 11 norm .16875E-07 17.784 .14440E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 .46003 .30111E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 2.2951 1.0716 .67755E-03 -1.5678 14 Prefactor .29633 1.1958 .54351E-02 -1.5697 15 Prefactor .14710E-07 1.7239 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.5812 1.5464 .47007E-03 -1.5665 17 norm .99207 .67501 .43510E-03 -1.5688 18 Prefactor 2.3473 4.3834 .67219E-03 -1.5677 19 norm .12545E-01 .19237 .24589E-02 -1.5710 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .54820 15.435 .71400E-03 -1.5693 21 norm 1.4924 1.0168 .87708E-03 -1.5684 22 norm 12.994 4.7215 .27817E-03 -1.5636 23 Prefactor .14821E-07 10.546 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat 1.1207 .15523 .55644E-01 -.89090 25 Prefactor .82659 .11890 .44064E-01 -.98756 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.97286e-06 Minuit parameter uncertainties: 1 0.002663 2 0.00277832 3 2.35144 4 0.00290203 5 20.4545 6 2.11054 7 8.24849e-09 8 0.000237798 9 0.000281763 10 4.22393 11 0.00109653 12 6.99233e-06 13 1.07158 14 1.19057 15 0.000318648 16 1.54636 17 0.675012 18 4.38338 19 0.0982511 20 5.81764 21 1.01682 22 4.72153 23 0.000791157 24 0.155297 25 0.118934 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9640.21181048 Extracting fit parameters... 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 2.295e+00 1.072e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.402e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 650 Prefactor: 8.266e-01 1.189e-01 0.000e+00 1.000e+01 ( 1.000e+00) 651 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 652 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 649 Normalization: 1.121e+00 1.553e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 13.77 Ra Dec: 250.734 39.816 Photon Index (Fixed Index): 2.40 +/- 0.00 Photon Flux (Fixed Index): 8.85e-08 +/- 4.13e-08 Energy Flux (Fixed Index): 2.89e-05 +/- 1.35e-05 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) = 9640.15773092 delta logL = 0.0540795538363 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9640.15307653 delta logL = 0.0587339480044 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.9682 1.0000 .0000 .10000E+07 2 'Index ' 2.5250 1.0000 .0000 10.000 3 'Normalizat' 1.1106 1.0000 .10000E-01 10.000 4 'Prefactor ' .83188 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6530E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 9640.153 FROM MIGRAD STATUS=CONVERGED 52 CALLS 234 TOTAL EDM= .16E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.9682 8.8353 .73887E-03 -.30002E-02 2 Index 2.5250 2.0538 .10522 .21636E-03 3 Normalizat 1.1106 .61652E-01 .55851E-01 -.56122E-04 4 Prefactor .83188 .43575E-01 .44131E-01 -.42606E-04 ERR DEF= .500 Final values: Prefactor = 1.96823 Index = 2.52498 Normalizat = 1.11061 Prefactor = 0.831879 ********** ** 18 **HESSE ********** FCN= 9640.153 FROM HESSE STATUS=OK 33 CALLS 267 TOTAL EDM= .77E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.9682 1.3295 .49365E-05 -1.5680 2 Index 2.5250 .39802 .40721E-02 -.51784 3 Normalizat 1.1106 .17408 .24697E-03 -.89412 4 Prefactor .83188 .14070 .23076E-03 -.98564 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 7.65504e-09 Minuit parameter uncertainties: 1 1.32954 2 0.398576 3 0.174175 4 0.140761 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) = 9640.15307651 delta logL = 0.0587339614103 Extracting fit parameters... 4FGL J1642.9+3948 Spectrum: PowerLaw 304 Prefactor: 1.968e+00 1.330e+00 0.000e+00 1.000e+06 ( 1.000e-12) 305 Index: 2.525e+00 3.986e-01 0.000e+00 1.000e+01 (-1.000e+00) 306 Scale: 1.373e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 650 Prefactor: 8.319e-01 1.408e-01 0.000e+00 1.000e+01 ( 1.000e+00) 651 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 652 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 649 Normalization: 1.111e+00 1.742e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 13.98 Ra Dec: 250.734 39.816 Photon Index (Free Index): 2.52 +/- 0.40 Photon Flux (Free Index): 9.63e-08 +/- 4.20e-08 Energy Flux (Free Index): 2.72e-05 +/- 1.16e-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/38574723/cmap_HighResolution_811123201_811382401_4FGL_J1642.9+3948_daily_bin2206.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='8.85e-08', energy_flux2='2.72e-05', photon_flux_error='4.13e-08', dlogl='5.87e-02', energy_flux='2.89e-05', photon_flux2='9.63e-08', job_status='DONE', time_completed='2026-09-18 13:55:44.929960', photon_index_error2='0.40', photon_index2='2.52', ts='13.77', fit_tolerance='1e-08', GAL='0.83', photon_index_error='0.00', energy_flux_error2='1.16e-05', EG='1.12', time_epoch_completed='1789764944.93', return_code='0', job_id='38574723', GAL2='0.83', EG2='1.11', return_code2='0', energy_flux_error='1.35e-05', photon_flux_error2='4.20e-08', ts2='13.98', photon_index='2.40' WHERE bin_id='2206' AND source_name='4FGL J1642.9+3948' AND cadence='daily'; Database successfully updated. Analysis Complete. Fri Sep 18 13:55:45 PDT 2026