/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 = 7578 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1647.4-6438_daily_bin2126 RA = 251.87, Dec = -64.6454 tmin = 790387201, tmax = 790646401 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='19299292', job_status='RUN', time_executed='2026-01-21 00:47:55.001449', time_epoch_executed='1768985275.0' WHERE source_name='4FGL J1647.4-6438' and cadence='daily' and bin_id='2126' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/19299292 Creating custom pfile directory: /lscratch/kocevski/19299292/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=790387201.0 && nMetStart<790646401.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=790387201.0 && nMetStart<790646401.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/19299292/ft1_4FGL_J1647.4-6438_daily_bin2126.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=790387201.0 && nMetStart<790646401.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/19299292/ft1_4FGL_J1647.4-6438_daily_bin2126.fits outfile=/lscratch/kocevski/19299292/ft1_filteredMKT_4FGL_J1647.4-6438_daily_bin2126.fits ra=251.87 dec=-64.6454 rad=12.0 tmin=790387201.0 tmax=790646401.0 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 1.86 user 1.18 sys 0.16 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.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/19299292/ft1_filteredMKT_4FGL_J1647.4-6438_daily_bin2126.fits evtable="EVENTS" outfile="/lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.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 0.84 user 0.18 sys 0.12 Number of photons that the gtmktime cut: 2289 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits" evtable="EVENTS" scfile=/lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits sctable="SC_DATA" outfile=/lscratch/kocevski/19299292/ltcube_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.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/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits .....................! real 8.31 user 7.61 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits evtable="EVENTS" scfile=/lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits sctable="SC_DATA" expcube=/lscratch/kocevski/19299292/ltcube_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.fits outfile=/lscratch/kocevski/19299292/expmap_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.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/19299292/ltcube_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.fits .....................! real 60.90 user 56.83 sys 3.36 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 FHES J1501.0-6310 in ROI with RadialGaussian spatial model. Extended source HESS J1507-622 in ROI with RadialDisk spatial model. Extended source MSH 15-52 in ROI with RadialDisk spatial model. Extended source HESS J1534-571 in ROI with RadialDisk spatial model. Extended source MSH 15-56 PWN in ROI, make sure /sdf/group/fermi/g/LCRepository/Likelihood/ExtendedSources/Extended_8years/Templates/MSH15-56_PWN.fits is the correct path to the extended template. Extended source MSH 15-56 SNR in ROI, make sure /sdf/group/fermi/g/LCRepository/Likelihood/ExtendedSources/Extended_8years/Templates/MSH15-56_SNRmask.fits is the correct path to the extended template. Extended source FGES J1553.8-5325 in ROI with RadialDisk spatial model. Extended source FHES J1642.1-5428 in ROI with RadialDisk spatial model. Extended source HESS J1420-607 in ROI with RadialDisk spatial model. Extended source RCW 86 in ROI, make sure /sdf/group/fermi/g/LCRepository/Likelihood/ExtendedSources/Extended_8years/Templates/RCW86.fits is the correct path to the extended template. Extended source HESS J1614-518 in ROI with RadialDisk spatial model. Extended source HESS J1616-508 in ROI with RadialDisk spatial model. Extended source FGES J1631.6-4756 in ROI with RadialDisk spatial model. Extended source FGES J1633.0-4746 in ROI with RadialDisk spatial model. Extended source G337.0-0.1 in ROI with RadialDisk spatial model. Extended source FGES J1655.5-4737 in ROI with RadialDisk spatial model. Extended source HESS J1356-645 in ROI with RadialDisk spatial model. Extended source FGES J1409.1-6121 in ROI with RadialDisk spatial model. Extended source FGES J1652.2-4633 in ROI with RadialDisk spatial model. Added 396 point sources and 19 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 J1647.4-6438 @ 251.87 -64.6454 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits scfile=/lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits outfile=/lscratch/kocevski/19299292/cmap_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.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=251.87 yref=-64.6454 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 0.55 user 0.22 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits scfile=/lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits outfile=/lscratch/kocevski/19299292/cmap_HighResolution_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.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=251.87 yref=-64.6454 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 0.57 user 0.20 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits evtable="EVENTS" scfile=/lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/19299292/Model_4FGL_J1647.4-6438_daily_bin2126.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 J1409.1-6121 adding source FGES J1553.8-5325 adding source FGES J1631.6-4756 adding source FGES J1633.0-4746 adding source FGES J1652.2-4633 adding source FGES J1655.5-4737 adding source FHES J1501.0-6310 adding source FHES J1642.1-5428 adding source G337.0-0.1 adding source GAL_V02 adding source HESS J1356-645 adding source HESS J1420-607 adding source HESS J1507-622 adding source HESS J1534-571 adding source HESS J1614-518 adding source HESS J1616-508 adding source MSH 15-52 adding source MSH 15-56 PWN adding source MSH 15-56 SNR adding source RCW 86 Working on... /lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits.....................! real 374.94 user 371.21 sys 1.20 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits', '/lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits', expMap='/lscratch/kocevski/19299292/expmap_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.fits', expCube='/lscratch/kocevski/19299292/ltcube_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/19299292/Model_4FGL_J1647.4-6438_daily_bin2126.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1647.4-6438' 4FGL J1647.4-6438 Spectrum: PowerLaw 886 Prefactor: 3.667e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 887 Index: 2.285e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 888 Scale: 1.482e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/19299292/ft1_filtered_4FGL_J1647.4-6438_daily_bin2126.fits Spacecraft file(s): /lscratch/kocevski/19299292/ft2_4FGL_J1647.4-6438_daily_bin2126.fits Exposure map: /lscratch/kocevski/19299292/expmap_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.fits Exposure cube: /lscratch/kocevski/19299292/ltcube_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/19299292/Model_4FGL_J1647.4-6438_daily_bin2126.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) = 19943.0791663 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19943.0801641 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 20.679 1.0000 .0000 .10000E+07 2 'norm ' 25.041 1.0000 .0000 .10000E+07 3 'norm ' 1.3407 1.0000 .0000 .10000E+07 4 'norm ' .22632E-06 1.0000 .0000 .10000E+07 5 'norm ' .18818E-07 1.0000 .0000 .10000E+07 6 'Prefactor ' .18632E-04 1.0000 .0000 .10000E+07 7 'norm ' .89254E-01 1.0000 .0000 .10000E+07 8 'norm ' 7.9885 1.0000 .0000 .10000E+07 9 'Prefactor ' .21702E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' .10000E+07 1.0000 .0000 .10000E+07 11 'Prefactor ' .98021E-02 1.0000 .0000 .10000E+07 12 'Prefactor ' .30557E-02 1.0000 .0000 .10000E+07 13 'Normalizat' .10000E-01 1.0000 .10000E-01 10.000 14 'Prefactor ' .77903 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .1479E+06 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 19943.08 FROM MIGRAD STATUS=CONVERGED 111 CALLS 1292 TOTAL EDM= .10E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 20.681 9.5400 .44105E-06 .11742 2 norm 25.054 7.1381 -.29292E-06 .18047 3 norm 1.4024 4.5050 .41840E-06 -.45709E-03 4 norm .0000 .83329 .14004E-07** at limit ** 5 norm .0000 1.3471 .20236E-09** at limit ** 6 Prefactor .0000 2.3015 .26431E-08** at limit ** 7 norm .0000 28.611 -.10353E-07** at limit ** 8 norm 8.4364 3.8692 -.16003E-07 .42069E-02 9 Prefactor .18319E-08 65.323 .16798E-06** at limit ** 10 Prefactor .10000E+07 2580.0 .88937E-05** at limit ** 11 Prefactor .0000 6.2773 .41025E-07** at limit ** 12 Prefactor .0000 4.4904 -.79351E-07** at limit ** 13 Normalizat .10000E-01 .19801E-01 .97307E-07** at limit ** 14 Prefactor .77900 .23079E-01 -.33275E-06 .16858E-05 ERR DEF= .500 Final values: Prefactor = 20.681 norm = 25.0538 norm = 1.40242 norm = 0 norm = 0 Prefactor = 0 norm = 0 norm = 8.43642 Prefactor = 1.83187e-09 Prefactor = 1e+06 Prefactor = 0 Prefactor = 0 Normalizat = 0.01 Prefactor = 0.778998 ********** ** 18 **HESSE ********** FCN= 19943.08 FROM HESSE STATUS=OK 190 CALLS 1482 TOTAL EDM= .22E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 20.681 11.397 .21997E-03 -1.5617 2 norm 25.054 13.119 .19988E-03 -1.5608 3 norm 1.4024 4.5515 .94625E-03 -1.5684 4 norm .0000 .83264 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .0000 1.3478 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 2.3020 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .0000 28.607 .14227E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm 8.4364 45.589 .35451E-03 -1.5650 9 Prefactor .18319E-08 65.913 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .10000E+07 2613.9 .90912E-02 1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor .0000 6.2778 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 4.4931 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Normalizat .10000E-01 .19030E-01 .27775 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor .77900 .23842E-01 .26520E-01 -1.0051 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.16981e-06 Minuit parameter uncertainties: 1 11.3973 2 13.1187 3 4.55148 4 7.48488e-08 5 4.82832e-07 6 9.22338e-07 7 3.04133e-06 8 39.2235 9 0.000690485 10 0.0936098 11 2.14727e-05 12 7.69916e-06 13 1.17306e-09 14 0.0238428 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19943.0770482 Extracting fit parameters... 4FGL J1647.4-6438 Spectrum: PowerLaw 886 Prefactor: 0.000e+00 9.223e-07 0.000e+00 1.000e+06 ( 1.000e-13) 887 Index: 2.285e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 888 Scale: 1.482e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 1443 Prefactor: 7.790e-01 2.384e-02 0.000e+00 1.000e+01 ( 1.000e+00) 1444 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 1445 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 1410 Normalization: 1.000e-02 1.173e-09 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.00 Ra Dec: 251.870 -64.645 Photon Flux Upper Limit: 5.06434677163e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00388234474825 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/19299292/likelihoodResults_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19943.081078 delta logL = -0.00402981994921 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19943.0770482 delta logL = -4.44997567683e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .44409E-09 1.0000 .0000 .10000E+07 2 'Index ' .63733 1.0000 .0000 10.000 3 'Normalizat' .10000E-01 1.0000 .10000E-01 10.000 4 'Prefactor ' .77900 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .1479E+06 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 19943.08 FROM MIGRAD STATUS=CONVERGED 30 CALLS 239 TOTAL EDM= .11E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.2% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 3.7822 .19794E-06** at limit ** 2 Index 1.9090 2.2234 -.12479E-04 .0000 3 Normalizat .10000E-01 .19488E-01 -.33776E-06** at limit ** 4 Prefactor .77900 .22779E-01 .10040E-05 .88788E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.90898 Normalizat = 0.01 Prefactor = 0.778998 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19943.08 FROM HESSE STATUS=FAILED 11 CALLS 250 TOTAL EDM= .11E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 3.7758 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .38375 1.7884 -.12479E-04 -.66645 3 Normalizat .10000E-01 .25505 -.33776E-06 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor .77900 1.1281 .10040E-05 -1.0051 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.07891e-12 Minuit parameter uncertainties: 1 4.34601e-06 2 1.63338 3 1.4289e-07 4 1.16434 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 19943.0770482 delta logL = 0.0 Extracting fit parameters... 4FGL J1647.4-6438 Spectrum: PowerLaw 886 Prefactor: 0.000e+00 4.346e-06 0.000e+00 1.000e+06 ( 1.000e-13) 887 Index: 1.909e+00 1.633e+00 0.000e+00 1.000e+01 (-1.000e+00) 888 Scale: 1.482e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 1443 Prefactor: 7.790e-01 1.164e+00 0.000e+00 1.000e+01 ( 1.000e+00) 1444 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 1445 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 1410 Normalization: 1.000e-02 1.429e-07 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.00 Ra Dec: 251.870 -64.645 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/19299292/cmap_HighResolution_790387201_790646401_4FGL_J1647.4-6438_daily_bin2126.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.88e-03', job_status='DONE', photon_flux_upper_limit='5.06e-08', time_completed='2026-01-21 01:09:41.126203', job_id='19299292', GAL2='0.78', fit_tolerance='1e-08', EG2='0.01', EG='0.01', time_epoch_completed='1768986581.13', return_code2='101', ts='0.00', comment='SUCCESS', return_code='0', GAL='0.78', dlogl='0.00e+00', ts2='0.00', photon_index_error='0.00', photon_index='2.28' WHERE bin_id='2126' AND source_name='4FGL J1647.4-6438' AND cadence='daily'; Database successfully updated. Analysis Complete. Wed Jan 21 01:09:41 PST 2026