/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 = 17444 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1848.5+6537_weekly_bin922 RA = 282.133, Dec = 65.6313 tmin = 796608001, tmax = 797212801 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='24930867', job_status='RUN', time_executed='2026-04-07 01:33:50.865158', time_epoch_executed='1775550830.87' WHERE source_name='4FGL J1848.5+6537' and cadence='weekly' and bin_id='922' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/24930867 Creating custom pfile directory: /lscratch/kocevski/24930867/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/24930867/ft1_4FGL_J1848.5+6537_weekly_bin922.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/24930867/ft1_4FGL_J1848.5+6537_weekly_bin922.fits outfile=/lscratch/kocevski/24930867/ft1_filteredMKT_4FGL_J1848.5+6537_weekly_bin922.fits ra=282.133 dec=65.6313 rad=12.0 tmin=796608001.0 tmax=797212801.0 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 4.52 user 3.75 sys 0.18 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.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/24930867/ft1_filteredMKT_4FGL_J1848.5+6537_weekly_bin922.fits evtable="EVENTS" outfile="/lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.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 0.80 user 0.20 sys 0.12 Number of photons that the gtmktime cut: 2803 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits" evtable="EVENTS" scfile=/lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits sctable="SC_DATA" outfile=/lscratch/kocevski/24930867/ltcube_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.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/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits .....................! real 17.13 user 16.34 sys 0.25 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits evtable="EVENTS" scfile=/lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits sctable="SC_DATA" expcube=/lscratch/kocevski/24930867/ltcube_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.fits outfile=/lscratch/kocevski/24930867/expmap_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.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/24930867/ltcube_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.fits .....................! real 60.36 user 55.68 sys 3.67 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 HB 21 in ROI with RadialDisk spatial model. Extended source FHES J2129.9+5833 in ROI with RadialGaussian spatial model. Extended source FHES J2208.4+6443 in ROI with RadialGaussian spatial model. Added 181 point sources and 3 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 J1848.5+6537 @ 282.133 65.6313 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits scfile=/lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits outfile=/lscratch/kocevski/24930867/cmap_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.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=282.133 yref=65.6313 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 0.82 user 0.22 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits scfile=/lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits outfile=/lscratch/kocevski/24930867/cmap_HighResolution_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.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=282.133 yref=65.6313 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 0.76 user 0.21 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits evtable="EVENTS" scfile=/lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/24930867/Model_4FGL_J1848.5+6537_weekly_bin922.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 FHES J2129.9+5833 adding source FHES J2208.4+6443 adding source GAL_V02 adding source HB 21 Working on... /lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits.....................! real 106.15 user 104.45 sys 0.64 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits', '/lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits', expMap='/lscratch/kocevski/24930867/expmap_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.fits', expCube='/lscratch/kocevski/24930867/ltcube_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/24930867/Model_4FGL_J1848.5+6537_weekly_bin922.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1848.5+6537' 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 3.482e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/24930867/ft1_filtered_4FGL_J1848.5+6537_weekly_bin922.fits Spacecraft file(s): /lscratch/kocevski/24930867/ft2_4FGL_J1848.5+6537_weekly_bin922.fits Exposure map: /lscratch/kocevski/24930867/expmap_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.fits Exposure cube: /lscratch/kocevski/24930867/ltcube_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/24930867/Model_4FGL_J1848.5+6537_weekly_bin922.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) = 28336.4528899 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 28336.4403892 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .34971 1.0000 .0000 .10000E+07 2 'Prefactor ' 5.4652 1.0000 .0000 .10000E+07 3 'Prefactor ' .16196E-04 1.0000 .0000 .10000E+07 4 'Prefactor ' 1.8620 1.0000 .0000 .10000E+07 5 'Prefactor ' 3.0212 1.0000 .0000 .10000E+07 6 'Prefactor ' .17147E-02 1.0000 .0000 .10000E+07 7 'Prefactor ' 34.485 1.0000 .0000 .10000E+07 8 'norm ' 2.9191 1.0000 .0000 .10000E+07 9 'norm ' 7.7985 1.0000 .0000 .10000E+07 10 'Prefactor ' .95236E-04 1.0000 .0000 .10000E+07 11 'Prefactor ' .34318E-02 1.0000 .0000 .10000E+07 12 'Prefactor ' 4.4541 1.0000 .0000 .10000E+07 13 'norm ' 4.4457 1.0000 .0000 .10000E+07 14 'Prefactor ' 6.5962 1.0000 .0000 .10000E+07 15 'Prefactor ' 14.300 1.0000 .0000 .10000E+07 16 'Prefactor ' .15758E-03 1.0000 .0000 .10000E+07 17 'norm ' 5.6998 1.0000 .0000 .10000E+07 18 'norm ' 4.5638 1.0000 .0000 .10000E+07 19 'norm ' 4.6635 1.0000 .0000 .10000E+07 20 'norm ' .45871E-03 1.0000 .0000 .10000E+07 21 'Prefactor ' 9.6965 1.0000 .0000 .10000E+07 22 'Prefactor ' .45290 1.0000 .0000 .10000E+07 23 'norm ' 1.9873 1.0000 .0000 .10000E+07 24 'norm ' .60346E-04 1.0000 .0000 .10000E+07 25 'norm ' 31.486 1.0000 .0000 .10000E+07 26 'Prefactor ' 33.998 1.0000 .0000 .10000E+07 27 'norm ' 1.1509 1.0000 .0000 .10000E+07 28 'norm ' .11683E-02 1.0000 .0000 .10000E+07 29 'Normalizat' 1.2776 1.0000 .10000E-01 10.000 30 'Prefactor ' .90618 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 28336.44 FROM MIGRAD STATUS=CONVERGED 179 CALLS 2854 TOTAL EDM= .66E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 4.9% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .34964 .32121 -.91114E-08 -.66850E-03 2 Prefactor 5.4608 4.2748 -.65350E-07 -.32157E-03 3 Prefactor .0000 3.4063 .10342E-06** at limit ** 4 Prefactor 1.8602 2.6075 -.81951E-07 .51874E-04 5 Prefactor 3.0235 4.8740 -.10576E-06 -.21721E-03 6 Prefactor .13878E-08 11.215 -.19715E-06** at limit ** 7 Prefactor 34.195 55.149 -.28483E-06 .81739E-03 8 norm 2.9190 1.2468 .85182E-07 -.56174E-03 9 norm 7.7993 2.5712 -.29755E-07 .73458E-04 10 Prefactor .0000 3.2973 .12843E-06** at limit ** 11 Prefactor .55511E-09 16.002 .39273E-06** at limit ** 12 Prefactor 4.4506 3.3458 -.94730E-08 -.67683E-03 13 norm 4.4563 6.0402 .40488E-07 -.69824E-04 14 Prefactor 6.5917 3.0970 -.38706E-07 -.20808E-01 15 Prefactor 14.286 1.3021 .10428E-08 .75179E-02 16 Prefactor .26090E-08 13.874 -.70786E-06** at limit ** 17 norm 5.7007 1.9961 .36988E-08 -.11243E-03 18 norm 4.5635 1.6140 .30046E-07 -.27466E-04 19 norm 4.6630 2.7077 .10024E-06 .12247E-04 20 norm .0000 3.6269 .32824E-06** at limit ** 21 Prefactor 9.6781 9.6696 -.10895E-06 -.44118E-02 22 Prefactor .45030 4.7772 -.29381E-06 -.39332E-03 23 norm 1.9875 .83273 -.66480E-07 -.50639E-03 24 norm .0000 6.2379 .30093E-06** at limit ** 25 norm 31.487 1.7438 -.26543E-07 -.29802E-01 26 Prefactor 33.978 2.0616 -.16153E-07 -.71794E-02 27 norm 1.1510 1.2584 .13155E-07 -.30261E-03 28 norm .13323E-08 10.263 -.44497E-06** at limit ** 29 Normalizat 1.2778 .13527 -.48371E-05 .26579E-05 30 Prefactor .90618 .56324E-01 .38859E-05 .16277E-04 ERR DEF= .500 Final values: norm = 0.349644 Prefactor = 5.46076 Prefactor = 0 Prefactor = 1.86024 Prefactor = 3.02353 Prefactor = 1.38778e-09 Prefactor = 34.1954 norm = 2.91902 norm = 7.79925 Prefactor = 0 Prefactor = 5.55112e-10 Prefactor = 4.45055 norm = 4.45629 Prefactor = 6.59165 Prefactor = 14.2859 Prefactor = 2.60902e-09 norm = 5.7007 norm = 4.56355 norm = 4.66297 norm = 0 Prefactor = 9.67806 Prefactor = 0.450298 norm = 1.98751 norm = 0 norm = 31.487 Prefactor = 33.9784 norm = 1.15103 norm = 1.33227e-09 Normalizat = 1.27776 Prefactor = 0.906181 ********** ** 18 **HESSE ********** FCN= 28336.44 FROM HESSE STATUS=OK 666 CALLS 3520 TOTAL EDM= .41E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .34964 .38968 .20932E-02 -1.5696 2 Prefactor 5.4608 4.3353 .42958E-03 -1.5661 3 Prefactor .0000 3.4067 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 1.8602 2.6287 .76331E-03 -1.5681 5 Prefactor 3.0235 4.8990 .58360E-03 -1.5673 6 Prefactor .13878E-08 11.321 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 34.195 55.256 .17031E-03 -1.5591 8 norm 2.9190 1.2470 .59436E-03 -1.5674 9 norm 7.7993 2.5784 .35883E-03 -1.5652 10 Prefactor .0000 3.2986 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor .55511E-09 16.049 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 4.4506 3.4446 .47688E-03 -1.5666 13 norm 4.4563 6.0459 .47734E-03 -1.5666 14 Prefactor 6.5917 11.512 .39049E-03 -1.5657 15 Prefactor 14.286 11.172 .26461E-03 -1.5632 16 Prefactor .26090E-08 14.068 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 norm 5.7007 2.1006 .42050E-03 -1.5660 18 norm 4.5635 1.6147 .47097E-03 -1.5665 19 norm 4.6630 2.7078 .46578E-03 -1.5665 20 norm .0000 3.6229 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Prefactor 9.6781 10.337 .32157E-03 -1.5646 22 Prefactor .45030 1.4506 .62322E-02 -1.5695 23 norm 1.9875 .86535 .73476E-03 -1.5680 24 norm .0000 6.2391 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 25 norm 31.487 11.827 .17824E-03 -1.5596 26 Prefactor 33.978 15.065 .17152E-03 -1.5591 27 norm 1.1510 1.2966 .10781E-02 -1.5687 28 norm .13323E-08 10.043 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 29 Normalizat 1.2778 .12656 .82373E-01 -.84233 30 Prefactor .90618 .51169E-01 .45084E-01 -.95925 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.10261e-07 Minuit parameter uncertainties: 1 0.389679 2 4.3353 3 1.38118e-05 4 2.62867 5 4.89904 6 0.000248918 7 55.257 8 1.24705 9 2.57836 10 1.82042e-06 11 0.00019179 12 3.44462 13 6.04588 14 11.5116 15 11.1724 16 0.000382532 17 2.1006 18 1.61469 19 2.70777 20 2.45307e-06 21 10.3367 22 1.45065 23 0.865349 24 1.11205e-05 25 11.8267 26 15.0654 27 1.29663 28 0.000232685 29 0.126592 30 0.0511719 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 28336.4400394 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 2.609e-09 3.825e-04 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.750e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 9.062e-01 5.117e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 1.278e+00 1.266e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 282.133 65.631 Photon Flux Upper Limit: 1.50963865188e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00110702540554 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/24930867/likelihoodResults_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.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) = 28336.4739653 delta logL = -0.0339258636777 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 28336.4400395 delta logL = -5.00185706187e-08 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .49954E-06 1.0000 .0000 .10000E+07 2 'Index ' .12048E-02 1.0000 .0000 10.000 3 'Normalizat' 1.2778 1.0000 .10000E-01 10.000 4 'Prefactor ' .90618 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6110E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 28336.44 FROM MIGRAD STATUS=CONVERGED 56 CALLS 235 TOTAL EDM= .73E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .33307E-08 7.6249 .42118E-03** at limit ** 2 Index .15738 5.5914 .50000 -.45475E-09 3 Normalizat 1.2778 .11133 .82373E-01 .67441E-03 4 Prefactor .90618 .49390E-01 .45084E-01 .14783E-02 ERR DEF= .500 Final values: Prefactor = 3.33067e-09 Index = 0.157377 Normalizat = 1.27776 Prefactor = 0.906181 ********** ** 18 **HESSE ********** FCN= 28336.44 FROM HESSE STATUS=OK 27 CALLS 262 TOTAL EDM= .71E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .33307E-08 7.6084 .84235E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .15738 5.5895 .51000 -1.3192 3 Normalizat 1.2778 .12299 .36467E-03 -.84233 4 Prefactor .90618 .54649E-01 .18735E-03 -.95925 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 7.1455e-10 Minuit parameter uncertainties: 1 0.000317239 2 1.24464 3 0.123014 4 0.0546525 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) = 28336.4400394 delta logL = -2.65572452918e-10 Extracting fit parameters... 4FGL J1848.5+6537 Spectrum: PowerLaw 351 Prefactor: 3.331e-09 3.172e-04 0.000e+00 1.000e+06 ( 1.000e-15) 352 Index: 1.574e-01 1.245e+00 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 6.537e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 604 Prefactor: 9.062e-01 5.465e-02 0.000e+00 1.000e+01 ( 1.000e+00) 605 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 606 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 596 Normalization: 1.278e+00 1.230e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 282.133 65.631 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/24930867/cmap_HighResolution_796608001_797212801_4FGL_J1848.5+6537_weekly_bin922.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.11e-03', job_status='DONE', photon_flux_upper_limit='1.51e-08', time_completed='2026-04-07 01:54:39.045619', job_id='24930867', GAL2='0.91', fit_tolerance='1e-08', EG2='1.28', EG='1.28', time_epoch_completed='1775552079.05', return_code2='0', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.91', dlogl='-2.66e-10', ts2='-0.00', photon_index_error='0.00', photon_index='1.75' WHERE bin_id='922' AND source_name='4FGL J1848.5+6537' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Apr 7 01:54:39 PDT 2026