/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 = 17405 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1521.8+4338_weekly_bin899 RA = 230.464, Dec = 43.6344 tmin = 782697601, tmax = 783302401 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='14461298', job_status='RUN', time_executed='2025-10-28 02:47:35.347184', time_epoch_executed='1761644855.35' WHERE source_name='4FGL J1521.8+4338' and cadence='weekly' and bin_id='899' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/14461298 Creating custom pfile directory: /lscratch/kocevski/14461298/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=782697601.0 && nMetStart<783302401.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=782697601.0 && nMetStart<783302401.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/14461298/ft1_4FGL_J1521.8+4338_weekly_bin899.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=782697601.0 && nMetStart<783302401.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/14461298/ft1_4FGL_J1521.8+4338_weekly_bin899.fits outfile=/lscratch/kocevski/14461298/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin899.fits ra=230.464 dec=43.6344 rad=12.0 tmin=782697601.0 tmax=783302401.0 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 6.41 user 5.84 sys 0.27 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.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/14461298/ft1_filteredMKT_4FGL_J1521.8+4338_weekly_bin899.fits evtable="EVENTS" outfile="/lscratch/kocevski/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.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 0.63 user 0.25 sys 0.13 Number of photons that the gtmktime cut: 1379 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits" evtable="EVENTS" scfile=/lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits sctable="SC_DATA" outfile=/lscratch/kocevski/14461298/ltcube_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.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/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits .....................! real 22.01 user 20.87 sys 0.26 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits evtable="EVENTS" scfile=/lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits sctable="SC_DATA" expcube=/lscratch/kocevski/14461298/ltcube_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.fits outfile=/lscratch/kocevski/14461298/expmap_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.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/14461298/ltcube_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.fits .....................! real 76.62 user 69.85 sys 4.43 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/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits scfile=/lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits outfile=/lscratch/kocevski/14461298/cmap_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.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 0.63 user 0.26 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits scfile=/lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits outfile=/lscratch/kocevski/14461298/cmap_HighResolution_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.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 0.64 user 0.27 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits evtable="EVENTS" scfile=/lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/14461298/Model_4FGL_J1521.8+4338_weekly_bin899.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/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits.....................! real 46.03 user 42.97 sys 1.30 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits', '/lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits', expMap='/lscratch/kocevski/14461298/expmap_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.fits', expCube='/lscratch/kocevski/14461298/ltcube_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/14461298/Model_4FGL_J1521.8+4338_weekly_bin899.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/14461298/ft1_filtered_4FGL_J1521.8+4338_weekly_bin899.fits Spacecraft file(s): /lscratch/kocevski/14461298/ft2_4FGL_J1521.8+4338_weekly_bin899.fits Exposure map: /lscratch/kocevski/14461298/expmap_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.fits Exposure cube: /lscratch/kocevski/14461298/ltcube_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/14461298/Model_4FGL_J1521.8+4338_weekly_bin899.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) = 14976.7791726 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14976.6879328 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .90228E-03 1.0000 .0000 .10000E+07 2 'Prefactor ' 17.488 1.0000 .0000 .10000E+07 3 'norm ' 2.3050 1.0000 .0000 .10000E+07 4 'Prefactor ' 4.5546 1.0000 .0000 .10000E+07 5 'norm ' 2.3122 1.0000 .0000 .10000E+07 6 'Prefactor ' 23.650 1.0000 .0000 .10000E+07 7 'norm ' 2.1479 1.0000 .0000 .10000E+07 8 'Prefactor ' .77166E-06 1.0000 .0000 .10000E+07 9 'Prefactor ' .35874 1.0000 .0000 .10000E+07 10 'norm ' .12909 1.0000 .0000 .10000E+07 11 'norm ' 8.4063 1.0000 .0000 .10000E+07 12 'Prefactor ' .16928E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 14.905 1.0000 .0000 .10000E+07 14 'Prefactor ' 4.6258 1.0000 .0000 .10000E+07 15 'Prefactor ' .89967E-05 1.0000 .0000 .10000E+07 16 'norm ' .71220 1.0000 .0000 .10000E+07 17 'norm ' .51699E-03 1.0000 .0000 .10000E+07 18 'Prefactor ' 3.2321 1.0000 .0000 .10000E+07 19 'Prefactor ' 7.1869 1.0000 .0000 .10000E+07 20 'Prefactor ' 1.9593 1.0000 .0000 .10000E+07 21 'Prefactor ' .54091E-04 1.0000 .0000 .10000E+07 22 'Prefactor ' .55511E-10 1.0000 .0000 .10000E+07 23 'Normalizat' .97917 1.0000 .10000E-01 10.000 24 'Prefactor ' .92115 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= 14976.68 FROM MIGRAD STATUS=CONVERGED 144 CALLS 1594 TOTAL EDM= .97E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.1% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .11979E-06 5.6411 -.44790E-06** at limit ** 2 Prefactor 17.677 4.6246 .14476E-07 -.57810E-01 3 norm 2.3027 2.3521 -.26022E-06 -.25132E-02 4 Prefactor 4.5449 6.7695 .12332E-06 .11032E-02 5 norm 2.3111 3.1970 -.44733E-07 -.14459E-02 6 Prefactor 23.688 2.6967 .41727E-07 .46176E-01 7 norm 2.1488 .88787 .33320E-07 .45270E-03 8 Prefactor .0000 1.1108 -.21937E-06** at limit ** 9 Prefactor .36591 3.6187 -.19786E-06 -.78820E-05 10 norm .13067 .43142 .88141E-08** at limit ** 11 norm 8.3882 2.6229 -.16165E-06 -.19210E-02 12 Prefactor .42027E-06 6.3123 -.21008E-07** at limit ** 13 Prefactor 14.175 19.043 .10684E-05 -.88477E-02 14 Prefactor 4.7120 8.9660 .55481E-06 .10499E-01 15 Prefactor .60507E-08 4.6761 .26789E-06** at limit ** 16 norm .71374 .75736 .35052E-07 -.53900E-04 17 norm .12884E-06 2.3840 .26000E-06** at limit ** 18 Prefactor 3.2586 7.2028 -.75753E-06 -.51002E-01 19 Prefactor 9.1196 29.585 -.21135E-05 .24836E-02 20 Prefactor 1.9441 3.0617 -.99293E-07 -.56901E-03 21 Prefactor .15121E-06 3.1269 .35381E-06** at limit ** 22 Prefactor .0000 .74695 .24041E-06** at limit ** 23 Normalizat .97893 .12167 .23633E-05 -.17636E-04 24 Prefactor .92089 .13090 -.10625E-05 -.55443E-05 ERR DEF= .500 Final values: Prefactor = 1.19793e-07 Prefactor = 17.6766 norm = 2.30272 Prefactor = 4.54492 norm = 2.31114 Prefactor = 23.6877 norm = 2.14879 Prefactor = 0 Prefactor = 0.365905 norm = 0.130671 norm = 8.38819 Prefactor = 4.20275e-07 Prefactor = 14.1745 Prefactor = 4.712 Prefactor = 6.05072e-09 norm = 0.713736 norm = 1.28841e-07 Prefactor = 3.25856 Prefactor = 9.11956 Prefactor = 1.9441 Prefactor = 1.51212e-07 Prefactor = 0 Normalizat = 0.978926 Prefactor = 0.920891 ********** ** 18 **HESSE ********** FCN= 14976.68 FROM HESSE STATUS=OK 455 CALLS 2049 TOTAL EDM= .44E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .11979E-06 6.2070 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 17.677 30.319 .23923E-03 -1.5624 3 norm 2.3027 2.3537 .67560E-03 -1.5678 4 Prefactor 4.5449 7.0481 .47146E-03 -1.5665 5 norm 2.3111 3.2024 .67444E-03 -1.5678 6 Prefactor 23.688 9.4623 .20568E-03 -1.5611 7 norm 2.1488 .89247 .70284E-03 -1.5679 8 Prefactor .0000 1.1093 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .36591 1.4753 .45989E-02 -1.5696 10 norm .13067 .44629 .13206E-02 -1.5701 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm 8.3882 2.6327 .34552E-03 -1.5650 12 Prefactor .42027E-06 8.5333 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 14.175 19.504 .25917E-03 -1.5633 14 Prefactor 4.7120 9.0307 .46772E-03 -1.5665 15 Prefactor .60507E-08 4.6979 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm .71374 .76395 .59724E-03 -1.5691 17 norm .12884E-06 7.1134 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Prefactor 3.2586 9.5472 .56319E-03 -1.5672 19 Prefactor 9.1196 29.776 .37393E-03 -1.5648 20 Prefactor 1.9441 3.0901 .74082E-03 -1.5680 21 Prefactor .15121E-06 6.7782 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Prefactor .0000 .74444 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Normalizat .97893 .10285 .45905E-01 -.93740 24 Prefactor .92089 .10973 .45274E-01 -.95415 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.37634e-07 Minuit parameter uncertainties: 1 0.00172462 2 30.3191 3 2.35373 4 7.04809 5 3.20241 6 9.46229 7 0.892474 8 3.49807e-06 9 1.46947 10 0.446293 11 2.63275 12 0.00378744 13 19.5042 14 9.03073 15 0.000337854 16 0.763953 17 0.00191456 18 9.54726 19 29.7761 20 3.09013 21 0.00202488 22 2.01978e-06 23 0.102866 24 0.109759 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14976.684846 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 6.051e-09 3.379e-04 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: 9.209e-01 1.098e-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: 9.789e-01 1.029e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 230.464 43.634 Photon Flux Upper Limit: 4.40579649493e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00351319222399 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/14461298/likelihoodResults_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.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) = 14976.6856607 delta logL = -0.000814729908598 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 14976.3965756 delta logL = 0.288270440064 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .74345E-01 1.0000 .0000 .10000E+07 2 'Index ' 6.7226 1.0000 .0000 10.000 3 'Normalizat' .95175 1.0000 .10000E-01 10.000 4 'Prefactor ' .93992 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. FCN= 14976.40 FROM MIGRAD STATUS=CONVERGED 50 CALLS 306 TOTAL EDM= .20E-07 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .74541E-01 1.5903 .96955E-03** at limit ** 2 Index 6.7215 8.2192 .21539E-01 .16328E-03 3 Normalizat .95181 .20155E-01 .45559E-01 -.21131E-03 4 Prefactor .93988 .21575E-01 .45512E-01 .14024E-03 ERR DEF= .500 Final values: Prefactor = 0.0745408 Index = 6.72154 Normalizat = 0.951812 Prefactor = 0.939877 ********** ** 18 **HESSE ********** FCN= 14976.40 FROM HESSE STATUS=NOT POSDEF 33 CALLS 339 TOTAL EDM= .37E-08 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .74541E-01 6.6621 .39938E-04 -1.5703 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 6.7215 7.0078 .86158E-03 .35150 3 Normalizat .95181 .86212E-01 .22486E-03 -.94663 4 Prefactor .93988 .89367E-01 .24343E-03 -.94761 ERR DEF= .500 Minuit fit quality: 2 estimated distance: 3.7495e-09 Minuit parameter uncertainties: 1 1.4094 2 14.1601 3 0.0862246 4 0.0893807 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 14976.3965747 delta logL = 0.288271281252 Extracting fit parameters... 4FGL J1521.8+4338 Spectrum: PowerLaw 310 Prefactor: 7.454e-02 1.409e+00 0.000e+00 1.000e+06 ( 1.000e-12) 311 Index: 6.722e+00 1.416e+01 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: 9.399e-01 8.938e-02 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: 9.518e-01 8.622e-02 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/14461298/cmap_HighResolution_782697601_783302401_4FGL_J1521.8+4338_weekly_bin899.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.51e-03', job_status='DONE', photon_flux_upper_limit='4.41e-08', time_completed='2025-10-28 02:59:21.812278', job_id='14461298', GAL2='0.94', fit_tolerance='1e-08', EG2='0.95', EG='0.98', time_epoch_completed='1761645561.81', return_code2='102', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.92', dlogl='2.88e-01', ts2='0.61', photon_index_error='0.00', photon_index='2.94' WHERE bin_id='899' AND source_name='4FGL J1521.8+4338' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Oct 28 02:59:21 PDT 2025