/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 = 7112 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1518.0-2731_daily_bin2110 RA = 229.512, Dec = -27.5313 tmin = 786240001, tmax = 786499201 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='16684260', job_status='RUN', time_executed='2025-12-04 03:16:29.992298', time_epoch_executed='1764846989.99' WHERE source_name='4FGL J1518.0-2731' and cadence='daily' and bin_id='2110' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/16684260 Creating custom pfile directory: /lscratch/kocevski/16684260/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=786240001.0 && nMetStart<786499201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=786240001.0 && nMetStart<786499201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/16684260/ft1_4FGL_J1518.0-2731_daily_bin2110.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=786240001.0 && nMetStart<786499201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/16684260/ft1_4FGL_J1518.0-2731_daily_bin2110.fits outfile=/lscratch/kocevski/16684260/ft1_filteredMKT_4FGL_J1518.0-2731_daily_bin2110.fits ra=229.512 dec=-27.5313 rad=12.0 tmin=786240001.0 tmax=786499201.0 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 1.94 user 1.29 sys 0.18 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.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/16684260/ft1_filteredMKT_4FGL_J1518.0-2731_daily_bin2110.fits evtable="EVENTS" outfile="/lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.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 0.60 user 0.19 sys 0.13 Number of photons that the gtmktime cut: 237 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits" evtable="EVENTS" scfile=/lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits sctable="SC_DATA" outfile=/lscratch/kocevski/16684260/ltcube_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.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/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits .....................! real 8.75 user 8.12 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits evtable="EVENTS" scfile=/lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits sctable="SC_DATA" expcube=/lscratch/kocevski/16684260/ltcube_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.fits outfile=/lscratch/kocevski/16684260/expmap_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.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/16684260/ltcube_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.fits .....................! real 70.46 user 65.74 sys 4.11 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 J1626.9-2431 in ROI with RadialGaussian spatial model. Added 222 point sources and 1 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 J1518.0-2731 @ 229.512 -27.5313 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits scfile=/lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits outfile=/lscratch/kocevski/16684260/cmap_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.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=229.512 yref=-27.5313 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 0.84 user 0.22 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits scfile=/lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits outfile=/lscratch/kocevski/16684260/cmap_HighResolution_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.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=229.512 yref=-27.5313 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 0.24 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits evtable="EVENTS" scfile=/lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/16684260/Model_4FGL_J1518.0-2731_daily_bin2110.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 J1626.9-2431 adding source GAL_V02 Working on... /lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits......................! real 15.45 user 13.90 sys 1.05 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits', '/lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits', expMap='/lscratch/kocevski/16684260/expmap_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.fits', expCube='/lscratch/kocevski/16684260/ltcube_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/16684260/Model_4FGL_J1518.0-2731_daily_bin2110.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1518.0-2731' 4FGL J1518.0-2731 Spectrum: PowerLaw 351 Prefactor: 2.846e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 352 Index: 2.052e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 2.284e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/16684260/ft1_filtered_4FGL_J1518.0-2731_daily_bin2110.fits Spacecraft file(s): /lscratch/kocevski/16684260/ft2_4FGL_J1518.0-2731_daily_bin2110.fits Exposure map: /lscratch/kocevski/16684260/expmap_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.fits Exposure cube: /lscratch/kocevski/16684260/ltcube_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/16684260/Model_4FGL_J1518.0-2731_daily_bin2110.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) = 2607.5530383 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 2607.43823117 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .97838E-03 1.0000 .0000 .10000E+07 2 'Prefactor ' .44048E-02 1.0000 .0000 .10000E+07 3 'Prefactor ' 1.8473 1.0000 .0000 .10000E+07 4 'Prefactor ' 161.62 1.0000 .0000 .10000E+07 5 'Prefactor ' 1.0347 1.0000 .0000 .10000E+07 6 'Prefactor ' .19200E-02 1.0000 .0000 .10000E+07 7 'norm ' .11657E-07 1.0000 .0000 .10000E+07 8 'Prefactor ' 37.438 1.0000 .0000 .10000E+07 9 'Prefactor ' .30397E-03 1.0000 .0000 .10000E+07 10 'norm ' .94280E-06 1.0000 .0000 .10000E+07 11 'norm ' .14622 1.0000 .0000 .10000E+07 12 'norm ' .52736E-08 1.0000 .0000 .10000E+07 13 'Prefactor ' .26910E-01 1.0000 .0000 .10000E+07 14 'norm ' 7.5702 1.0000 .0000 .10000E+07 15 'Prefactor ' .81273 1.0000 .0000 .10000E+07 16 'norm ' 2.0081 1.0000 .0000 .10000E+07 17 'Prefactor ' .11190E-02 1.0000 .0000 .10000E+07 18 'Normalizat' .89298 1.0000 .10000E-01 10.000 19 'Prefactor ' 1.0663 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7590E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 2607.387 FROM MIGRAD STATUS=CONVERGED 238 CALLS 1474 TOTAL EDM= .15E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .3% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .31641E-07 25.430 .40159E-07** at limit ** 2 Prefactor .11102E-08 21.866 -.39927E-07** at limit ** 3 Prefactor .18375 31.130 .89170E-07** at limit ** 4 Prefactor 215.00 194.66 -.63508E-07 .25188E-01 5 Prefactor 1.2001 43.664 .12134E-05 .27776E-02 6 Prefactor .38858E-09 13.229 -.17503E-07** at limit ** 7 norm .0000 1.1552 .57447E-08** at limit ** 8 Prefactor 37.902 28.436 .69783E-07 .96826E-02 9 Prefactor .0000 12.404 -.93634E-08** at limit ** 10 norm .55511E-10 6.0643 .67814E-08** at limit ** 11 norm .0000 53.516 .42738E-07** at limit ** 12 norm .0000 .64029 .24110E-08** at limit ** 13 Prefactor .0000 18.396 -.14806E-07** at limit ** 14 norm 7.3681 11.894 .18183E-07 .15550E-02 15 Prefactor .20014E-04 139.34 .19658E-06** at limit ** 16 norm .63236E-04 411.84 -.44995E-06** at limit ** 17 Prefactor .94369E-09 17.796 .12260E-07** at limit ** 18 Normalizat .87630 .61265 .20491E-05 .75142E-06 19 Prefactor 1.0678 .19853 -.92740E-07 -.65220E-05 ERR DEF= .500 Final values: Prefactor = 3.16414e-08 Prefactor = 1.11022e-09 Prefactor = 0.183746 Prefactor = 215.001 Prefactor = 1.20012 Prefactor = 3.88578e-10 norm = 0 Prefactor = 37.9025 Prefactor = 0 norm = 5.55112e-11 norm = 0 norm = 0 Prefactor = 0 norm = 7.36808 Prefactor = 2.00142e-05 norm = 6.32358e-05 Prefactor = 9.4369e-10 Normalizat = 0.876304 Prefactor = 1.06778 ********** ** 18 **HESSE ********** FCN= 2607.387 FROM HESSE STATUS=OK 302 CALLS 1776 TOTAL EDM= .20E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .31641E-07 25.476 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .11102E-08 21.889 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor .18375 50.185 .98171E-02 -1.5699 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 215.00 195.53 .78666E-04 -1.5415 5 Prefactor 1.2001 40.807 .12403E-02 -1.5730 6 Prefactor .38858E-09 13.191 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .0000 1.1488 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 37.902 28.571 .16345E-03 -1.5585 9 Prefactor .0000 12.390 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm .55511E-10 6.0421 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .0000 53.515 .12824E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm .0000 .64024 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 18.254 .16618E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 7.3681 11.973 .36425E-03 -1.5654 15 Prefactor .20014E-04 141.44 .51991E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 norm .63236E-04 419.28 .73035E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor .94369E-09 17.873 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 Normalizat .87630 .55162 .11844 -.97298 19 Prefactor 1.0678 .17319 .39035E-01 -.90503 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.96128e-06 Minuit parameter uncertainties: 1 0.00179611 2 0.000314795 3 6.0734 4 195.537 5 13.9964 6 0.000146421 7 3.58506e-06 8 28.5707 9 1.90508e-05 10 2.84399e-05 11 5.9879e-05 12 6.94911e-07 13 4.22217e-05 14 11.9732 15 0.106415 16 0.325683 17 0.000255956 18 0.555225 19 0.173277 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 2607.38713551 Extracting fit parameters... 4FGL J1518.0-2731 Spectrum: PowerLaw 351 Prefactor: 0.000e+00 4.222e-05 0.000e+00 1.000e+06 ( 1.000e-13) 352 Index: 2.052e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 2.284e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 756 Prefactor: 1.068e+00 1.733e-01 0.000e+00 1.000e+01 ( 1.000e+00) 757 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 758 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 751 Normalization: 8.763e-01 5.552e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.00 Ra Dec: 229.512 -27.531 Photon Flux Upper Limit: 2.97702377114e-07 ph cm-2 s-1 Energy Flux Upper Limit: 0.0224225008437 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/16684260/likelihoodResults_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.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) = 2607.41361157 delta logL = -0.0264760679597 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 2607.38713874 delta logL = -3.23011272485e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .10779E-03 1.0000 .0000 .10000E+07 2 'Index ' 2.5343 1.0000 .0000 10.000 3 'Normalizat' .87603 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0677 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .7590E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 2607.387 FROM MIGRAD STATUS=CONVERGED 57 CALLS 228 TOTAL EDM= .10E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 1.6969 .42118E-03** at limit ** 2 Index .27303 .37813 -.10162E-04 .0000 3 Normalizat .87630 1.2126 .10531E-04 .36620E-05 4 Prefactor 1.0678 1.1732 -.45865E-05 .97992E-05 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.273031 Normalizat = 0.876304 Prefactor = 1.06778 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 2607.387 FROM HESSE STATUS=FAILED 9 CALLS 237 TOTAL EDM= .10E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 1.6969 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .79005E-01 .37813 -.10162E-04 -1.2388 3 Normalizat .87630 1.2126 .10531E-04 -.97298 4 Prefactor 1.0678 1.1732 -.45865E-05 -.90503 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.01596e-12 Minuit parameter uncertainties: 1 1.99946e-06 2 0.381607 3 1.25372 4 1.20339 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) = 2607.38713551 delta logL = 0.0 Extracting fit parameters... 4FGL J1518.0-2731 Spectrum: PowerLaw 351 Prefactor: 0.000e+00 1.999e-06 0.000e+00 1.000e+06 ( 1.000e-13) 352 Index: 2.730e-01 3.816e-01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 2.284e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 756 Prefactor: 1.068e+00 1.203e+00 0.000e+00 1.000e+01 ( 1.000e+00) 757 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 758 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 751 Normalization: 8.763e-01 1.254e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.00 Ra Dec: 229.512 -27.531 Creating a high resolution counts map... INFO: Auto-setting vmin to 0.000e+00 [aplpy.core] INFO: Auto-setting vmax to 0.000e+00 [aplpy.core] Saving /lscratch/kocevski/16684260/cmap_HighResolution_786240001_786499201_4FGL_J1518.0-2731_daily_bin2110.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.24e-02', job_status='DONE', photon_flux_upper_limit='2.98e-07', time_completed='2025-12-04 03:21:46.832132', job_id='16684260', GAL2='1.07', fit_tolerance='1e-08', EG2='0.88', EG='0.88', time_epoch_completed='1764847306.83', return_code2='101', ts='0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='0.00e+00', ts2='0.00', photon_index_error='0.00', photon_index='2.05' WHERE bin_id='2110' AND source_name='4FGL J1518.0-2731' AND cadence='daily'; Database successfully updated. Analysis Complete. Thu Dec 4 03:21:47 PST 2025