/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 = 17421 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1635.6+3628_weekly_bin890 RA = 248.923, Dec = 36.4795 tmin = 777254401, tmax = 777859201 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='14088137', job_status='RUN', time_executed='2025-10-20 11:12:44.902056', time_epoch_executed='1760983964.9' WHERE source_name='4FGL J1635.6+3628' and cadence='weekly' and bin_id='890' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/14088137 Creating custom pfile directory: /lscratch/kocevski/14088137/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=777254401.0 && nMetStart<777859201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=777254401.0 && nMetStart<777859201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/14088137/ft1_4FGL_J1635.6+3628_weekly_bin890.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=777254401.0 && nMetStart<777859201.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/14088137/ft1_4FGL_J1635.6+3628_weekly_bin890.fits outfile=/lscratch/kocevski/14088137/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin890.fits ra=248.923 dec=36.4795 rad=12.0 tmin=777254401.0 tmax=777859201.0 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 4.71 user 3.85 sys 0.21 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.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/14088137/ft1_filteredMKT_4FGL_J1635.6+3628_weekly_bin890.fits evtable="EVENTS" outfile="/lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.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 1.05 user 0.19 sys 0.10 Number of photons that the gtmktime cut: 1405 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits" evtable="EVENTS" scfile=/lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits sctable="SC_DATA" outfile=/lscratch/kocevski/14088137/ltcube_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.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/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits .....................! real 16.04 user 15.19 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits evtable="EVENTS" scfile=/lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits sctable="SC_DATA" expcube=/lscratch/kocevski/14088137/ltcube_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.fits outfile=/lscratch/kocevski/14088137/expmap_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.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/14088137/ltcube_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.fits .....................! real 60.02 user 55.55 sys 3.51 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 198 point sources and 0 extended sources Setting source of interest to: 4FGL J1635.6+3628 @ 248.923 36.4795 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits scfile=/lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits outfile=/lscratch/kocevski/14088137/cmap_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.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=248.923 yref=36.4795 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 1.07 user 0.21 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits scfile=/lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits outfile=/lscratch/kocevski/14088137/cmap_HighResolution_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.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=248.923 yref=36.4795 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 0.91 user 0.20 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits evtable="EVENTS" scfile=/lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/14088137/Model_4FGL_J1635.6+3628_weekly_bin890.xml irfs="P8R3_SOURCE_V2" evclsmin=0 evclass="INDEF" evtype="INDEF" convert=yes chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). adding source EG_v02 adding source GAL_V02 Working on... /lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits.....................! real 37.10 user 35.51 sys 0.66 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits', '/lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits', expMap='/lscratch/kocevski/14088137/expmap_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.fits', expCube='/lscratch/kocevski/14088137/ltcube_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/14088137/Model_4FGL_J1635.6+3628_weekly_bin890.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1635.6+3628' 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 4.539e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/14088137/ft1_filtered_4FGL_J1635.6+3628_weekly_bin890.fits Spacecraft file(s): /lscratch/kocevski/14088137/ft2_4FGL_J1635.6+3628_weekly_bin890.fits Exposure map: /lscratch/kocevski/14088137/expmap_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.fits Exposure cube: /lscratch/kocevski/14088137/ltcube_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/14088137/Model_4FGL_J1635.6+3628_weekly_bin890.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) = 15633.1993903 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 15632.2498023 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 14.328 1.0000 .0000 .10000E+07 2 'Prefactor ' 5.3268 1.0000 .0000 .10000E+07 3 'Prefactor ' 2.3627 1.0000 .0000 .10000E+07 4 'Prefactor ' .27898E-05 1.0000 .0000 .10000E+07 5 'Prefactor ' 11.616 1.0000 .0000 .10000E+07 6 'Prefactor ' .52304 1.0000 .0000 .10000E+07 7 'norm ' .70213E-01 1.0000 .0000 .10000E+07 8 'norm ' .20276E-05 1.0000 .0000 .10000E+07 9 'Prefactor ' .28878E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' 1.8678 1.0000 .0000 .10000E+07 11 'norm ' 7.6885 1.0000 .0000 .10000E+07 12 'Prefactor ' 1.8249 1.0000 .0000 .10000E+07 13 'Prefactor ' 4.6053 1.0000 .0000 .10000E+07 14 'Prefactor ' .50870E-06 1.0000 .0000 .10000E+07 15 'Prefactor ' 1.1199 1.0000 .0000 .10000E+07 16 'norm ' 3.1197 1.0000 .0000 .10000E+07 17 'Prefactor ' .52502E-03 1.0000 .0000 .10000E+07 18 'Prefactor ' 6.1829 1.0000 .0000 .10000E+07 19 'norm ' .12212E-07 1.0000 .0000 .10000E+07 20 'norm ' 4.2493 1.0000 .0000 .10000E+07 21 'norm ' .95668E-06 1.0000 .0000 .10000E+07 22 'Normalizat' .84546 1.0000 .10000E-01 10.000 23 'Prefactor ' .99957 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 15632.25 FROM MIGRAD STATUS=CONVERGED 137 CALLS 1144 TOTAL EDM= .75E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 14.225 1.2392 -.20083E-06 -.26736E-02 2 Prefactor 5.2488 1.1980 -.34942E-06 -.41168E-02 3 Prefactor 2.3590 1.9710 -.24027E-07 .45988E-02 4 Prefactor .0000 3.5184 .56805E-07** at limit ** 5 Prefactor 11.501 2.8674 .84169E-06 .10673E-01 6 Prefactor .52611 1.5387 -.71526E-07 .11609E-02 7 norm .70047E-01 .68588E-01 -.21464E-07** at limit ** 8 norm .55511E-10 3.5653 -.37718E-06** at limit ** 9 Prefactor .55511E-09 9.1874 .46923E-05** at limit ** 10 Prefactor 1.8644 2.4449 .32011E-07 .31840E-03 11 norm 6.7577 18.813 -.36532E-05 .94784E-05 12 Prefactor 1.8317 1.3470 .13273E-06 .12692E-01 13 Prefactor 4.6086 1.4785 -.10463E-07 .25651E-01 14 Prefactor .72164E-09 6.1981 .12477E-05** at limit ** 15 Prefactor 1.1171 1.7371 .38567E-06 .87760E-02 16 norm 3.1176 1.1282 -.13090E-07 .41571E-01 17 Prefactor .44409E-09 7.5761 -.49750E-05** at limit ** 18 Prefactor 6.1843 4.3666 .66893E-07 -.60784E-02 19 norm .55511E-10 .51619 .98861E-07** at limit ** 20 norm 4.2485 5.7163 -.61193E-07 .11349E-02 21 norm .0000 1.6041 .39792E-07** at limit ** 22 Normalizat .84595 .14589 .65025E-06 -.11237E-03 23 Prefactor .99954 .10748 -.23939E-05 -.39967E-03 ERR DEF= .500 Final values: norm = 14.2246 Prefactor = 5.24881 Prefactor = 2.35898 Prefactor = 0 Prefactor = 11.5006 Prefactor = 0.526114 norm = 0.0700473 norm = 5.55112e-11 Prefactor = 5.55112e-10 Prefactor = 1.86439 norm = 6.75769 Prefactor = 1.83165 Prefactor = 4.60858 Prefactor = 7.21645e-10 Prefactor = 1.11708 norm = 3.11755 Prefactor = 4.44089e-10 Prefactor = 6.18433 norm = 5.55112e-11 norm = 4.2485 norm = 0 Normalizat = 0.845948 Prefactor = 0.999542 ********** ** 18 **HESSE ********** FCN= 15632.25 FROM HESSE STATUS=OK 430 CALLS 1574 TOTAL EDM= .64E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 14.225 13.102 .26435E-03 -1.5633 2 Prefactor 5.2488 11.958 .43522E-03 -1.5662 3 Prefactor 2.3590 1.9788 .66642E-03 -1.5677 4 Prefactor .0000 3.4955 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor 11.501 12.298 .29368E-03 -1.5640 6 Prefactor .52611 1.5578 .76425E-03 -1.5693 7 norm .70047E-01 .79226E-01 .69006E-03 -1.5703 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .55511E-10 3.5642 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .55511E-09 9.2041 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 1.8644 2.4658 .76190E-03 -1.5681 11 norm 6.7577 18.965 .36141E-03 -1.5656 12 Prefactor 1.8317 1.3524 .77251E-03 -1.5681 13 Prefactor 4.6086 1.4507 .46879E-03 -1.5665 14 Prefactor .72164E-09 6.2257 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor 1.1171 1.7716 .11097E-02 -1.5687 16 norm 3.1176 1.1312 .57378E-03 -1.5673 17 Prefactor .44409E-09 7.9304 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor 6.1843 4.4645 .40350E-03 -1.5658 19 norm .55511E-10 .15603 .25342E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 norm 4.2485 5.7541 .48856E-03 -1.5667 21 norm .0000 1.6057 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Normalizat .84595 .12498 .65673E-01 -.98386 23 Prefactor .99954 .89870E-01 .46262E-01 -.92745 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 6.44853e-08 Minuit parameter uncertainties: 1 13.1017 2 11.9577 3 1.97879 4 1.73798e-05 5 12.2979 6 1.55781 7 0.0792255 8 2.66269e-05 9 0.000140807 10 2.46584 11 18.9649 12 1.35238 13 1.45071 14 0.000135925 15 1.77156 16 1.13121 17 0.000119097 18 4.46446 19 4.30615e-06 20 5.75415 21 1.9939e-06 22 0.12502 23 0.089883 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 15632.2484456 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 5.551e-10 1.408e-04 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 2.666e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.995e-01 8.988e-02 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 8.459e-01 1.250e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 248.923 36.480 Photon Flux Upper Limit: 5.61059941304e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00440804808762 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/14088137/likelihoodResults_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.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) = 15632.2065851 delta logL = 0.0418604804254 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 15631.6802085 delta logL = 0.568237116242 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .65560E-05 1.0000 .0000 .10000E+07 2 'Index ' 9.8523 1.0000 .0000 10.000 3 'Normalizat' .80545 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0208 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6430E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 15632.25 FROM MIGRAD STATUS=CONVERGED 107 CALLS 537 TOTAL EDM= .26E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 3.1501 .42118E-03** at limit ** 2 Index 1.4283 1.1822 .69288E-05 .0000 3 Normalizat .84595 1.1703 -.22423E-05 .71514E-05 4 Prefactor .99954 1.2246 -.17270E-05 .71672E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 1.42832 Normalizat = 0.845947 Prefactor = 0.999543 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 15632.25 FROM HESSE STATUS=FAILED 9 CALLS 546 TOTAL EDM= .26E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 3.1501 .42118E-03 -252.90 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 3.5910 1.9526 .69288E-05 -.42363E+06 3 Normalizat .84595 1.1703 -.22423E-05 -184.37 4 Prefactor .99954 1.2246 -.17270E-05 -189.42 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 2.59145e-13 Minuit parameter uncertainties: 1 1.67554e-06 2 1.20589 3 1.20835 4 1.26146 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) = 15632.2484456 delta logL = 7.63975549489e-11 Extracting fit parameters... 4FGL J1635.6+3628 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 1.676e-06 0.000e+00 1.000e+06 ( 1.000e-13) 283 Index: 1.428e+00 1.206e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 9.602e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 640 Prefactor: 9.995e-01 1.261e+00 0.000e+00 1.000e+01 ( 1.000e+00) 641 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 642 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 639 Normalization: 8.459e-01 1.208e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 248.923 36.480 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/14088137/cmap_HighResolution_777254401_777859201_4FGL_J1635.6+3628_weekly_bin890.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.41e-03', job_status='DONE', photon_flux_upper_limit='5.61e-08', time_completed='2025-10-20 11:29:50.344208', job_id='14088137', GAL2='1.00', fit_tolerance='1e-08', EG2='0.85', EG='0.85', time_epoch_completed='1760984990.34', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.00', dlogl='7.64e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.67' WHERE bin_id='890' AND source_name='4FGL J1635.6+3628' AND cadence='weekly'; Database successfully updated. Analysis Complete. Mon Oct 20 11:29:51 PDT 2025