********** ** 18 **HESSE ********** FCN= 19975.85 FROM HESSE STATUS=OK 485 CALLS 2667 TOTAL EDM= .21E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .14994 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 4.2113 10.719 .49122E-03 -1.5667 3 norm .14266E-07 52.020 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 30.534 .17318E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 7.0105 4.8812 .37945E-03 -1.5655 6 norm .0000 5.7438 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm 1.0165 3.7498 .12715E-02 -1.5688 8 Prefactor .77716E-09 12.138 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 14.940 18.171 .25900E-03 -1.5631 10 Prefactor .18874E-07 30.504 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 2.9686 3.5873 .58916E-03 -1.5674 12 Prefactor 21.916 18.992 .21382E-03 -1.5614 13 Prefactor 11.356 26.071 .29818E-03 -1.5641 14 Prefactor 1.4650 1.1588 .88778E-03 -1.5684 15 Prefactor .10325E-07 15.645 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.9607 7.7281 .45222E-03 -1.5663 17 norm .20750E-06 4.3622 .69786E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .25857E-06 86.339 .10019E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .0000 2.5292 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 3.8513 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 norm 1.1384 .86217 .10902E-02 -1.5687 22 norm 3.1465 3.2331 .57115E-03 -1.5672 23 Prefactor .0000 1.9829 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat 1.0755 .20158 .11779 -.90542 25 Prefactor .97710 .51025E-01 .31908E-01 -.93497 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.10444e-07 Minuit parameter uncertainties: 1 6.32872e-08 2 10.7191 3 0.00172454 4 1.36582e-07 5 4.88121 6 1.58281e-05 7 3.74984 8 0.000197585 9 18.1712 10 0.00151732 11 3.58732 12 18.9917 13 26.0716 14 1.1588 15 0.000804347 16 7.72811 17 0.00190282 18 0.00945047 19 9.78651e-07 20 1.56032e-05 21 0.862166 22 3.23307 23 4.70887e-06 24 0.201722 25 0.0510271 /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) = 19975.8464308 Extracting fit parameters... 4FGL J1955.1-1604 Spectrum: PowerLaw 577 Prefactor: 2.192e+01 1.899e+01 0.000e+00 1.000e+06 ( 1.000e-14) 578 Index: 2.029e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 579 Scale: 3.293e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 868 Prefactor: 9.771e-01 5.103e-02 0.000e+00 1.000e+01 ( 1.000e+00) 869 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 870 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 857 Normalization: 1.076e+00 2.017e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 4.52 Ra Dec: 298.777 -16.072 Photon Index (Fixed Index): 2.03 +/- 0.00 Photon Flux (Fixed Index): 2.56e-08 +/- 2.21e-08 Energy Flux (Fixed Index): 1.65e-05 +/- 1.43e-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) = 19975.7562697 delta logL = 0.0901611350237 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 19975.7536803 delta logL = 0.0927505377476 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 27.009 1.0000 .0000 .10000E+07 2 'Index ' 1.7733 1.0000 .0000 10.000 3 'Normalizat' 1.0813 1.0000 .10000E-01 10.000 4 'Prefactor ' .97695 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .8840E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 19975.75 FROM MIGRAD STATUS=CONVERGED 62 CALLS 270 TOTAL EDM= .24E-08 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 27.038 423.01 .19245E-03 .28402E-03 2 Index 1.7756 2.2199 .27283 .98550E-04 3 Normalizat 1.0812 .71630E-01 .11753 .45150E-04 4 Prefactor .97687 .15133E-01 .31912E-01 -.86980E-04 ERR DEF= .500 Final values: Prefactor = 27.0379 Index = 1.7756 Normalizat = 1.08124 Prefactor = 0.976874 ********** ** 18 **HESSE ********** FCN= 19975.75 FROM HESSE STATUS=OK 31 CALLS 301 TOTAL EDM= .40E-10 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 27.038 25.549 .76982E-05 -1.5604 2 Index 1.7756 .59094 .95343E-02 -.70087 3 Normalizat 1.0812 .21306 .52129E-03 -.90356 4 Prefactor .97687 .55569E-01 .14101E-03 -.93504 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.03621e-11 Minuit parameter uncertainties: 1 25.5493 2 0.593326 3 0.21323 4 0.0555722 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) = 19975.7536651 delta logL = 0.0927656578824 Extracting fit parameters... 4FGL J1955.1-1604 Spectrum: PowerLaw 577 Prefactor: 2.704e+01 2.555e+01 0.000e+00 1.000e+06 ( 1.000e-14) 578 Index: 1.776e+00 5.933e-01 0.000e+00 1.000e+01 (-1.000e+00) 579 Scale: 3.293e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 868 Prefactor: 9.769e-01 5.557e-02 0.000e+00 1.000e+01 ( 1.000e+00) 869 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 870 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 857 Normalization: 1.081e+00 2.132e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 4.71 Ra Dec: 298.777 -16.072 Photon Index (Free Index): 1.78 +/- 0.59 Photon Flux (Free Index): 1.72e-08 +/- 2.30e-08 Energy Flux (Free Index): 2.21e-05 +/- 2.66e-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/33474557/cmap_HighResolution_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='2.56e-08', energy_flux2='2.21e-05', photon_flux_error='2.21e-08', dlogl='9.28e-02', energy_flux='1.65e-05', photon_flux2='1.72e-08', job_status='DONE', time_completed='2026-07-28 17:29:43.896099', photon_index_error2='0.59', photon_index2='1.78', ts='4.52', fit_tolerance='1e-08', GAL='0.98', photon_index_error='0.00', energy_flux_error2='2.66e-05', EG='1.08', time_epoch_completed='1785284983.9', return_code='0', job_id='33474557', GAL2='0.98', EG2='1.08', return_code2='0', energy_flux_error='1.43e-05', photon_flux_error2='2.30e-08', ts2='4.71', photon_index='2.03' WHERE bin_id='938' AND source_name='4FGL J1955.1-1604' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 28 17:29:44 PDT 2026 number of points = 17264 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1955.1-1604_weekly_bin938 RA = 298.777, Dec = -16.0715 tmin = 806284801, tmax = 806889601 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='33475386', job_status='RUN', time_executed='2026-07-28 17:29:28.417626', time_epoch_executed='1785284968.42' WHERE source_name='4FGL J1955.1-1604' and cadence='weekly' and bin_id='938' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/33475386 Creating custom pfile directory: /lscratch/kocevski/33475386/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=806284801.0 && nMetStart<806889601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=806284801.0 && nMetStart<806889601.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/33475386/ft1_4FGL_J1955.1-1604_weekly_bin938.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=806284801.0 && nMetStart<806889601.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/33475386/ft1_4FGL_J1955.1-1604_weekly_bin938.fits outfile=/lscratch/kocevski/33475386/ft1_filteredMKT_4FGL_J1955.1-1604_weekly_bin938.fits ra=298.777 dec=-16.0715 rad=12.0 tmin=806284801.0 tmax=806889601.0 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 5.20 user 4.32 sys 0.25 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.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/33475386/ft1_filteredMKT_4FGL_J1955.1-1604_weekly_bin938.fits evtable="EVENTS" outfile="/lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.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 1.00 user 0.19 sys 0.14 Number of photons that the gtmktime cut: 1856 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits" evtable="EVENTS" scfile=/lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits sctable="SC_DATA" outfile=/lscratch/kocevski/33475386/ltcube_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.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/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits .....................! real 16.33 user 15.46 sys 0.25 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits evtable="EVENTS" scfile=/lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits sctable="SC_DATA" expcube=/lscratch/kocevski/33475386/ltcube_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.fits outfile=/lscratch/kocevski/33475386/expmap_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.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/33475386/ltcube_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.fits .....................! real 60.32 user 55.78 sys 3.33 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 Extended source HESS J1825-137 in ROI with RadialGaussian spatial model. Extended source G24.7+0.6 in ROI with RadialDisk spatial model. Extended source W 41 in ROI with RadialGaussian spatial model. Extended source FGES J1836.5-0651 in ROI with RadialDisk spatial model. Extended source FGES J1838.9-0704 in ROI with RadialDisk spatial model. Extended source Kes 73 in ROI with RadialDisk spatial model. Extended source HESS J1841-055 in ROI, make sure /sdf/group/fermi/g/LCRepository/Likelihood/ExtendedSources/Extended_8years/Templates/HESSJ1841-055.fits is the correct path to the extended template. Added 247 point sources and 7 extended sources If using unbinned likelihood you will need to rerun gtdiffrsp for the extended sources or rerun the makeModel function with optional argument psForce=True Setting source of interest to: 4FGL J1955.1-1604 @ 298.777 -16.0715 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits scfile=/lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits outfile=/lscratch/kocevski/33475386/cmap_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.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=298.777 yref=-16.0715 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 1.16 user 0.20 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits scfile=/lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits outfile=/lscratch/kocevski/33475386/cmap_HighResolution_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.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=298.777 yref=-16.0715 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 1.08 user 0.20 sys 0.15 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits evtable="EVENTS" scfile=/lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/33475386/Model_4FGL_J1955.1-1604_weekly_bin938.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 FGES J1836.5-0651 adding source FGES J1838.9-0704 adding source G24.7+0.6 adding source GAL_V02 adding source HESS J1825-137 adding source HESS J1841-055 adding source Kes 73 adding source W 41 Working on... /lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits.....................! real 95.43 user 93.23 sys 0.94 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits', '/lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits', expMap='/lscratch/kocevski/33475386/expmap_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.fits', expCube='/lscratch/kocevski/33475386/ltcube_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/33475386/Model_4FGL_J1955.1-1604_weekly_bin938.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1955.1-1604' 4FGL J1955.1-1604 Spectrum: PowerLaw 577 Prefactor: 5.966e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 578 Index: 2.029e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 579 Scale: 3.293e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/33475386/ft1_filtered_4FGL_J1955.1-1604_weekly_bin938.fits Spacecraft file(s): /lscratch/kocevski/33475386/ft2_4FGL_J1955.1-1604_weekly_bin938.fits Exposure map: /lscratch/kocevski/33475386/expmap_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.fits Exposure cube: /lscratch/kocevski/33475386/ltcube_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/33475386/Model_4FGL_J1955.1-1604_weekly_bin938.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) = 19975.8541948 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19975.849581 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .17597E-07 1.0000 .0000 .10000E+07 2 'Prefactor ' 4.2046 1.0000 .0000 .10000E+07 3 'norm ' .29088E-07 1.0000 .0000 .10000E+07 4 'Prefactor ' .15970E-01 1.0000 .0000 .10000E+07 5 'Prefactor ' 6.9812 1.0000 .0000 .10000E+07 6 'norm ' .43867E-02 1.0000 .0000 .10000E+07 7 'norm ' 1.0227 1.0000 .0000 .10000E+07 8 'Prefactor ' .50534E-02 1.0000 .0000 .10000E+07 9 'Prefactor ' 14.924 1.0000 .0000 .10000E+07 10 'Prefactor ' .76111E-02 1.0000 .0000 .10000E+07 11 'Prefactor ' 2.9677 1.0000 .0000 .10000E+07 12 'Prefactor ' 21.884 1.0000 .0000 .10000E+07 13 'Prefactor ' 11.270 1.0000 .0000 .10000E+07 14 'Prefactor ' 1.4658 1.0000 .0000 .10000E+07 15 'Prefactor ' .72644E-02 1.0000 .0000 .10000E+07 16 'norm ' 4.9410 1.0000 .0000 .10000E+07 17 'norm ' .35350E-02 1.0000 .0000 .10000E+07 18 'Prefactor ' .31417 1.0000 .0000 .10000E+07 19 'norm ' .16902E-04 1.0000 .0000 .10000E+07 20 'norm ' .70295E-03 1.0000 .0000 .10000E+07 21 'norm ' 1.1385 1.0000 .0000 .10000E+07 22 'norm ' 3.1470 1.0000 .0000 .10000E+07 23 'Prefactor ' .85937E-06 1.0000 .0000 .10000E+07 24 'Normalizat' 1.0755 1.0000 .10000E-01 10.000 25 'Prefactor ' .97714 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .8840E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 19975.85 FROM MIGRAD STATUS=CONVERGED 194 CALLS 2182 TOTAL EDM= .47E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.9% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .0000 .15049 .18045E-06** at limit ** 2 Prefactor 4.2113 10.693 .41502E-07 .31139E-03 3 norm .14266E-07 52.151 -.43623E-05** at limit ** 4 Prefactor .0000 31.261 -.15683E-06** at limit ** 5 Prefactor 7.0105 4.8701 .11985E-06 .14047E-02 6 norm .0000 5.7701 .28065E-06** at limit ** 7 norm 1.0165 3.7383 -.13611E-05 .82626E-03 8 Prefactor .77716E-09 12.222 .73025E-06** at limit ** 9 Prefactor 14.940 10.070 .18526E-05 .18006E-01 10 Prefactor .18874E-07 30.435 .20279E-05** at limit ** 11 Prefactor 2.9686 3.5658 -.63113E-06 .33242E-02 12 Prefactor 21.916 1.0767 .65627E-07 -.87345E-03 13 Prefactor 11.356 6.7970 .11640E-05 -.54549E-01 14 Prefactor 1.4650 1.1428 .28543E-06 .10253E-01 15 Prefactor .10325E-07 15.251 .53107E-06** at limit ** 16 norm 4.9607 7.7224 .43355E-06 .37176E-03 17 norm .20750E-06 375.06 -.94180E-05** at limit ** 18 Prefactor .25857E-06 58.234 -.10818E-04** at limit ** 19 norm .0000 2.5282 -.19278E-06** at limit ** 20 norm .0000 3.8235 .34996E-06** at limit ** 21 norm 1.1384 .84195 .23987E-06 .22764E-02 22 norm 3.1465 3.2278 .63824E-06 .18267E-02 23 Prefactor .0000 1.9927 .37699E-06** at limit ** 24 Normalizat 1.0755 .21857 -.79066E-05 .39695E-03 25 Prefactor .97710 .56111E-01 .16753E-05 .11392E-02 ERR DEF= .500 Final values: norm = 0 Prefactor = 4.21125 norm = 1.42664e-08 Prefactor = 0 Prefactor = 7.01051 norm = 0 norm = 1.0165 Prefactor = 7.77156e-10 Prefactor = 14.9397 Prefactor = 1.88738e-08 Prefactor = 2.96858 Prefactor = 21.9162 Prefactor = 11.3559 Prefactor = 1.46505 Prefactor = 1.03251e-08 norm = 4.9607 norm = 2.07501e-07 Prefactor = 2.58571e-07 norm = 0 norm = 0 norm = 1.1384 norm = 3.14652 Prefactor = 0 Normalizat = 1.07553 Prefactor = 0.977101 ********** ** 18 **HESSE ********** FCN= 19975.85 FROM HESSE STATUS=OK 485 CALLS 2667 TOTAL EDM= .21E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 .14994 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 4.2113 10.719 .49122E-03 -1.5667 3 norm .14266E-07 52.020 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .0000 30.534 .17318E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 7.0105 4.8812 .37945E-03 -1.5655 6 norm .0000 5.7438 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm 1.0165 3.7498 .12715E-02 -1.5688 8 Prefactor .77716E-09 12.138 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 14.940 18.171 .25900E-03 -1.5631 10 Prefactor .18874E-07 30.504 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 2.9686 3.5873 .58916E-03 -1.5674 12 Prefactor 21.916 18.992 .21382E-03 -1.5614 13 Prefactor 11.356 26.071 .29818E-03 -1.5641 14 Prefactor 1.4650 1.1588 .88778E-03 -1.5684 15 Prefactor .10325E-07 15.645 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm 4.9607 7.7281 .45222E-03 -1.5663 17 norm .20750E-06 4.3622 .69786E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor .25857E-06 86.339 .10019E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .0000 2.5292 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm .0000 3.8513 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 norm 1.1384 .86217 .10902E-02 -1.5687 22 norm 3.1465 3.2331 .57115E-03 -1.5672 23 Prefactor .0000 1.9829 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 24 Normalizat 1.0755 .20158 .11779 -.90542 25 Prefactor .97710 .51025E-01 .31908E-01 -.93497 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.10444e-07 Minuit parameter uncertainties: 1 6.32872e-08 2 10.7191 3 0.00172454 4 1.36582e-07 5 4.88121 6 1.58281e-05 7 3.74984 8 0.000197585 9 18.1712 10 0.00151732 11 3.58732 12 18.9917 13 26.0716 14 1.1588 15 0.000804347 16 7.72811 17 0.00190282 18 0.00945047 19 9.78651e-07 20 1.56032e-05 21 0.862166 22 3.23307 23 4.70887e-06 24 0.201722 25 0.0510271 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19975.8464308 Extracting fit parameters... 4FGL J1955.1-1604 Spectrum: PowerLaw 577 Prefactor: 2.192e+01 1.899e+01 0.000e+00 1.000e+06 ( 1.000e-14) 578 Index: 2.029e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 579 Scale: 3.293e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 868 Prefactor: 9.771e-01 5.103e-02 0.000e+00 1.000e+01 ( 1.000e+00) 869 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 870 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 857 Normalization: 1.076e+00 2.017e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 4.52 Ra Dec: 298.777 -16.072 Photon Index (Fixed Index): 2.03 +/- 0.00 Photon Flux (Fixed Index): 2.56e-08 +/- 2.21e-08 Energy Flux (Fixed Index): 1.65e-05 +/- 1.43e-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) = 19975.7562697 delta logL = 0.0901611350237 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 19975.7536803 delta logL = 0.0927505377476 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 27.009 1.0000 .0000 .10000E+07 2 'Index ' 1.7733 1.0000 .0000 10.000 3 'Normalizat' 1.0813 1.0000 .10000E-01 10.000 4 'Prefactor ' .97695 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .8840E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 19975.75 FROM MIGRAD STATUS=CONVERGED 62 CALLS 270 TOTAL EDM= .24E-08 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 27.038 423.01 .19245E-03 .28402E-03 2 Index 1.7756 2.2199 .27283 .98550E-04 3 Normalizat 1.0812 .71630E-01 .11753 .45150E-04 4 Prefactor .97687 .15133E-01 .31912E-01 -.86980E-04 ERR DEF= .500 Final values: Prefactor = 27.0379 Index = 1.7756 Normalizat = 1.08124 Prefactor = 0.976874 ********** ** 18 **HESSE ********** FCN= 19975.75 FROM HESSE STATUS=OK 31 CALLS 301 TOTAL EDM= .40E-10 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 27.038 25.549 .76982E-05 -1.5604 2 Index 1.7756 .59094 .95343E-02 -.70087 3 Normalizat 1.0812 .21306 .52129E-03 -.90356 4 Prefactor .97687 .55569E-01 .14101E-03 -.93504 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.03621e-11 Minuit parameter uncertainties: 1 25.5493 2 0.593326 3 0.21323 4 0.0555722 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) = 19975.7536651 delta logL = 0.0927656578824 Extracting fit parameters... 4FGL J1955.1-1604 Spectrum: PowerLaw 577 Prefactor: 2.704e+01 2.555e+01 0.000e+00 1.000e+06 ( 1.000e-14) 578 Index: 1.776e+00 5.933e-01 0.000e+00 1.000e+01 (-1.000e+00) 579 Scale: 3.293e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 868 Prefactor: 9.769e-01 5.557e-02 0.000e+00 1.000e+01 ( 1.000e+00) 869 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 870 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 857 Normalization: 1.081e+00 2.132e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 4.71 Ra Dec: 298.777 -16.072 Photon Index (Free Index): 1.78 +/- 0.59 Photon Flux (Free Index): 1.72e-08 +/- 2.30e-08 Energy Flux (Free Index): 2.21e-05 +/- 2.66e-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/33475386/cmap_HighResolution_806284801_806889601_4FGL_J1955.1-1604_weekly_bin938.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET comment='SUCCESS', photon_flux='2.56e-08', energy_flux2='2.21e-05', photon_flux_error='2.21e-08', dlogl='9.28e-02', energy_flux='1.65e-05', photon_flux2='1.72e-08', job_status='DONE', time_completed='2026-07-28 17:47:03.742025', photon_index_error2='0.59', photon_index2='1.78', ts='4.52', fit_tolerance='1e-08', GAL='0.98', photon_index_error='0.00', energy_flux_error2='2.66e-05', EG='1.08', time_epoch_completed='1785286023.74', return_code='0', job_id='33475386', GAL2='0.98', EG2='1.08', return_code2='0', energy_flux_error='1.43e-05', photon_flux_error2='2.30e-08', ts2='4.71', photon_index='2.03' WHERE bin_id='938' AND source_name='4FGL J1955.1-1604' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 28 17:47:04 PDT 2026