/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 = 17302 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1521.8+4338_weekly_bin886 RA = 230.464, Dec = 43.6344 tmin = 774835201, tmax = 775440001 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='14071292', job_status='RUN', time_executed='2025-10-20 05:39:24.950337', time_epoch_executed='1760963964.95' WHERE source_name='4FGL J1521.8+4338' and cadence='weekly' and bin_id='886' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/14071292 Creating custom pfile directory: /lscratch/kocevski/14071292/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=774835201.0 && nMetStart<775440001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=774835201.0 && nMetStart<775440001.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/14071292/ft1_4FGL_J1521.8+4338_weekly_bin886.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=774835201.0 && nMetStart<775440001.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/14071292/ft1_4FGL_J1521.8+4338_weekly_bin886.fits outfile=/lscratch/kocevski/14071292/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin886.fits ra=230.464 dec=43.6344 rad=12.0 tmin=774835201.0 tmax=775440001.0 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 5.48 user 4.73 sys 0.35 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.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/14071292/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin886.fits evtable="EVENTS" outfile="/lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.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 0.76 user 0.21 sys 0.15 Number of photons that the gtmktime cut: 1333 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits" evtable="EVENTS" scfile=/lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits sctable="SC_DATA" outfile=/lscratch/kocevski/14071292/ltcube_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.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/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits .....................! real 17.90 user 17.07 sys 0.36 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits evtable="EVENTS" scfile=/lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits sctable="SC_DATA" expcube=/lscratch/kocevski/14071292/ltcube_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.fits outfile=/lscratch/kocevski/14071292/expmap_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.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/14071292/ltcube_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.fits .....................! real 70.35 user 65.17 sys 4.06 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 196 point sources and 0 extended sources Setting source of interest to: 4FGL J1521.8+4338 @ 230.464 43.6344 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits scfile=/lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits outfile=/lscratch/kocevski/14071292/cmap_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.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=230.464 yref=43.6344 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 0.73 user 0.23 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits scfile=/lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits outfile=/lscratch/kocevski/14071292/cmap_HighResolution_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.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=230.464 yref=43.6344 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 0.69 user 0.25 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits evtable="EVENTS" scfile=/lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/14071292/Model_4FGL_J1521.8+4338_weekly_bin886.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/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits.....................! real 39.54 user 37.76 sys 1.18 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits', '/lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits', expMap='/lscratch/kocevski/14071292/expmap_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.fits', expCube='/lscratch/kocevski/14071292/ltcube_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/14071292/Model_4FGL_J1521.8+4338_weekly_bin886.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1521.8+4338' 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 3.344e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.936e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/14071292/ft1_filtered_4FGL_J1521.8+4338_weekly_bin886.fits Spacecraft file(s): /lscratch/kocevski/14071292/ft2_4FGL_J1521.8+4338_weekly_bin886.fits Exposure map: /lscratch/kocevski/14071292/expmap_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.fits Exposure cube: /lscratch/kocevski/14071292/ltcube_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/14071292/Model_4FGL_J1521.8+4338_weekly_bin886.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) = 14376.3514345 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14376.2838344 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .25191E-02 1.0000 .0000 .10000E+07 2 'Prefactor ' 25.500 1.0000 .0000 .10000E+07 3 'norm ' .56678E-02 1.0000 .0000 .10000E+07 4 'Prefactor ' 13.695 1.0000 .0000 .10000E+07 5 'norm ' 9.3413 1.0000 .0000 .10000E+07 6 'Prefactor ' .38358E-07 1.0000 .0000 .10000E+07 7 'norm ' 2.3115 1.0000 .0000 .10000E+07 8 'Prefactor ' 4.2882 1.0000 .0000 .10000E+07 9 'Prefactor ' .32100E-03 1.0000 .0000 .10000E+07 10 'norm ' .82223E-06 1.0000 .0000 .10000E+07 11 'norm ' 4.6024 1.0000 .0000 .10000E+07 12 'Prefactor ' .86704 1.0000 .0000 .10000E+07 13 'Prefactor ' .16852 1.0000 .0000 .10000E+07 14 'Prefactor ' .33080E-03 1.0000 .0000 .10000E+07 15 'Prefactor ' .62004E-04 1.0000 .0000 .10000E+07 16 'norm ' .17574 1.0000 .0000 .10000E+07 17 'norm ' 3.3993 1.0000 .0000 .10000E+07 18 'Prefactor ' .15277E-03 1.0000 .0000 .10000E+07 19 'Prefactor ' .96524E-04 1.0000 .0000 .10000E+07 20 'Prefactor ' 3.2741 1.0000 .0000 .10000E+07 21 'Prefactor ' .51608E-03 1.0000 .0000 .10000E+07 22 'Prefactor ' .67501E-02 1.0000 .0000 .10000E+07 23 'Normalizat' 1.0667 1.0000 .10000E-01 10.000 24 'Prefactor ' .72791 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6290E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 14376.28 FROM MIGRAD STATUS=CONVERGED 154 CALLS 1637 TOTAL EDM= .49E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.6% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .62172E-08 3.2273 -.13521E-07** at limit ** 2 Prefactor 26.292 15.841 .32736E-06 -.30871E-01 3 norm .13878E-08 21.658 -.10210E-05** at limit ** 4 Prefactor 13.726 4.4634 -.51850E-07 -.33290E-01 5 norm 9.3613 5.6844 .10845E-06 .19392E-02 6 Prefactor .10547E-07 8.3414 .21665E-06** at limit ** 7 norm 2.3101 .95078 .21867E-08 .11572E-03 8 Prefactor 4.2931 3.6437 .43353E-07 -.31922E-03 9 Prefactor .76605E-08 2.9695 .63047E-07** at limit ** 10 norm .0000 .46734 .12839E-07** at limit ** 11 norm 4.6069 2.3123 .16752E-07 .97491E-03 12 Prefactor .84607 6.4232 .73775E-07 .42026E-03 13 Prefactor .94133E-05 9.9502 -.72826E-06** at limit ** 14 Prefactor .23148E-07 2.8383 -.11872E-06** at limit ** 15 Prefactor .61229E-07 2.2700 -.45495E-07** at limit ** 16 norm .17564 .54350 -.30914E-07** at limit ** 17 norm 3.3719 7.0871 .21575E-07 -.10765E-02 18 Prefactor .12434E-06 9.1605 .43254E-06** at limit ** 19 Prefactor .55511E-09 17.234 -.38275E-06** at limit ** 20 Prefactor 3.2744 2.5639 .32736E-08 -.11931E-03 21 Prefactor .38414E-07 3.0742 -.36687E-07** at limit ** 22 Prefactor .15024E-05 4.6584 -.23063E-06** at limit ** 23 Normalizat 1.0667 .11603 -.66525E-06 .10494E-03 24 Prefactor .72787 .12253 .14331E-05 .82432E-04 ERR DEF= .500 Final values: Prefactor = 6.21725e-09 Prefactor = 26.2921 norm = 1.38778e-09 Prefactor = 13.7259 norm = 9.3613 Prefactor = 1.05471e-08 norm = 2.31007 Prefactor = 4.29315 Prefactor = 7.66054e-09 norm = 0 norm = 4.60693 Prefactor = 0.846066 Prefactor = 9.4133e-06 Prefactor = 2.31482e-08 Prefactor = 6.12288e-08 norm = 0.175636 norm = 3.37191 Prefactor = 1.24345e-07 Prefactor = 5.55112e-10 Prefactor = 3.27439 Prefactor = 3.84137e-08 Prefactor = 1.50235e-06 Normalizat = 1.06672 Prefactor = 0.727874 ********** ** 18 **HESSE ********** FCN= 14376.28 FROM HESSE STATUS=OK 465 CALLS 2102 TOTAL EDM= .21E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .62172E-08 4.2410 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 26.292 27.468 .19807E-03 -1.5605 3 norm .13878E-08 2.3051 .55566E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 13.726 10.570 .27040E-03 -1.5634 5 norm 9.3613 5.7376 .32766E-03 -1.5647 6 Prefactor .10547E-07 8.5545 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm 2.3101 .95993 .67454E-03 -1.5678 8 Prefactor 4.2931 3.6567 .48627E-03 -1.5667 9 Prefactor .76605E-08 3.0011 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm .0000 .45781 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm 4.6069 2.4186 .46894E-03 -1.5665 12 Prefactor .84607 8.1802 .48066E-03 -1.5690 13 Prefactor .94133E-05 13.126 .16541E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor .23148E-07 3.5131 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor .61229E-07 4.2298 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm .17564 .44172 .24562E-02 -1.5700 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 norm 3.3719 7.1274 .54848E-03 -1.5671 18 Prefactor .12434E-06 10.515 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor .55511E-09 17.683 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor 3.2744 2.5703 .55938E-03 -1.5672 21 Prefactor .38414E-07 3.4548 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor .15024E-05 .91929 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Normalizat 1.0667 .99554E-01 .39553E-01 -.90828 24 Prefactor .72787 .10439 .42772E-01 -1.0244 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.12792e-07 Minuit parameter uncertainties: 1 0.00032503 2 27.4683 3 0.000112722 4 10.5696 5 5.73764 6 0.000601049 7 0.959935 8 3.65671 9 0.0003032 10 3.0249e-06 11 2.41858 12 5.26155 13 0.0222316 14 0.000570121 15 0.00101801 16 0.441723 17 7.12739 18 0.00228691 19 0.000198528 20 2.57031 21 0.000728636 22 0.00235039 23 0.0995711 24 0.104419 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14376.2820864 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 6.123e-08 1.018e-03 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 2.936e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 626 Prefactor: 7.279e-01 1.044e-01 0.000e+00 1.000e+01 ( 1.000e+00) 627 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 628 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 625 Normalization: 1.067e+00 9.957e-02 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 230.464 43.634 Photon Flux Upper Limit: 3.92116178043e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00312674339177 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/14071292/likelihoodResults_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.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): 0 logL (Free Index) = 14376.2827842 delta logL = -0.000697823747032 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 14376.2820914 delta logL = -5.01801696373e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .15299E-05 1.0000 .0000 .10000E+07 2 'Index ' 3.6502 1.0000 .0000 10.000 3 'Normalizat' 1.0669 1.0000 .10000E-01 10.000 4 'Prefactor ' .72787 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6290E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14376.28 FROM MIGRAD STATUS=CONVERGED 46 CALLS 245 TOTAL EDM= .33E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 1.1890 .47428E-02** at limit ** 2 Index 4.0206 1.0203 .10090E-04 .0000 3 Normalizat 1.0667 1.1836 -.95356E-06 -.34197E-04 4 Prefactor .72787 1.0776 .18080E-05 -.56380E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 4.02062 Normalizat = 1.06672 Prefactor = 0.727873 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14376.28 FROM HESSE STATUS=FAILED 9 CALLS 254 TOTAL EDM= .33E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 1.1890 .47428E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.7517 2.2904 .10090E-04 -.19715 3 Normalizat 1.0667 1.1836 -.95356E-06 -.90828 4 Prefactor .72787 1.0776 .18080E-05 -1.0244 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 3.26789e-12 Minuit parameter uncertainties: 1 9.95925e-06 2 1.02777 3 1.21497 4 1.11113 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) = 14376.2820864 delta logL = 7.21774995327e-09 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 0.000e+00 9.959e-06 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 4.021e+00 1.028e+00 0.000e+00 1.000e+01 (-1.000e+00) 312 Scale: 4.193e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 626 Prefactor: 7.279e-01 1.111e+00 0.000e+00 1.000e+01 ( 1.000e+00) 627 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 628 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 625 Normalization: 1.067e+00 1.215e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 230.464 43.634 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/14071292/cmap_HighResolution_774835201_775440001_4FGL_J1521.8+4338_weekly_bin886.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.13e-03', job_status='DONE', photon_flux_upper_limit='3.92e-08', time_completed='2025-10-20 05:50:45.361658', job_id='14071292', GAL2='0.73', fit_tolerance='1e-08', EG2='1.07', EG='1.07', time_epoch_completed='1760964645.36', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.73', dlogl='7.22e-09', ts2='0.00', photon_index_error='0.00', photon_index='2.94' WHERE bin_id='886' AND source_name='4FGL J1521.8+4338' AND cadence='weekly'; Database successfully updated. Analysis Complete. Mon Oct 20 05:50:45 PDT 2025