/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 = 17348 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1127.8+3618_weekly_bin909 RA = 171.964, Dec = 36.314 tmin = 788745601, tmax = 789350401 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='18471763', job_status='RUN', time_executed='2026-01-06 02:09:14.585097', time_epoch_executed='1767694154.59' WHERE source_name='4FGL J1127.8+3618' and cadence='weekly' and bin_id='909' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/18471763 Creating custom pfile directory: /lscratch/kocevski/18471763/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=788745601.0 && nMetStart<789350401.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=788745601.0 && nMetStart<789350401.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/18471763/ft1_4FGL_J1127.8+3618_weekly_bin909.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=788745601.0 && nMetStart<789350401.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/18471763/ft1_4FGL_J1127.8+3618_weekly_bin909.fits outfile=/lscratch/kocevski/18471763/ft1_filteredMKT_4FGL_J1127.8+3618_weekly_bin909.fits ra=171.964 dec=36.314 rad=12.0 tmin=788745601.0 tmax=789350401.0 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 5.72 user 4.73 sys 0.23 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.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/18471763/ft1_filteredMKT_4FGL_J1127.8+3618_weekly_bin909.fits evtable="EVENTS" outfile="/lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.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 0.94 user 0.24 sys 0.13 Number of photons that the gtmktime cut: 1240 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits" evtable="EVENTS" scfile=/lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits sctable="SC_DATA" outfile=/lscratch/kocevski/18471763/ltcube_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.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/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits .....................! real 21.02 user 19.78 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits evtable="EVENTS" scfile=/lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits sctable="SC_DATA" expcube=/lscratch/kocevski/18471763/ltcube_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.fits outfile=/lscratch/kocevski/18471763/expmap_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.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/18471763/ltcube_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.fits .....................! real 71.58 user 66.64 sys 4.01 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 202 point sources and 0 extended sources Setting source of interest to: 4FGL J1127.8+3618 @ 171.964 36.314 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits scfile=/lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits outfile=/lscratch/kocevski/18471763/cmap_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.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=171.964 yref=36.314 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 1.29 user 0.25 sys 0.15 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits scfile=/lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits outfile=/lscratch/kocevski/18471763/cmap_HighResolution_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.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=171.964 yref=36.314 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 1.34 user 0.25 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits evtable="EVENTS" scfile=/lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/18471763/Model_4FGL_J1127.8+3618_weekly_bin909.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/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits....................! real 43.41 user 41.09 sys 0.62 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits', '/lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits', expMap='/lscratch/kocevski/18471763/expmap_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.fits', expCube='/lscratch/kocevski/18471763/ltcube_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/18471763/Model_4FGL_J1127.8+3618_weekly_bin909.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1127.8+3618' 4FGL J1127.8+3618 Spectrum: PowerLaw 326 Prefactor: 1.787e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 327 Index: 2.371e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 328 Scale: 9.242e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/18471763/ft1_filtered_4FGL_J1127.8+3618_weekly_bin909.fits Spacecraft file(s): /lscratch/kocevski/18471763/ft2_4FGL_J1127.8+3618_weekly_bin909.fits Exposure map: /lscratch/kocevski/18471763/expmap_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.fits Exposure cube: /lscratch/kocevski/18471763/ltcube_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/18471763/Model_4FGL_J1127.8+3618_weekly_bin909.xml Optimizer: MINUIT Statistic: UNBINNED Performing an iterative likelihood fit... Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 102 logL (Fixed Index) = 13220.9235757 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13216.8145407 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .91318E-01 1.0000 .0000 .10000E+07 2 'Prefactor ' 3.4040 1.0000 .0000 .10000E+07 3 'Prefactor ' .10155E-05 1.0000 .0000 .10000E+07 4 'Prefactor ' 23.474 1.0000 .0000 .10000E+07 5 'Prefactor ' .35322E-06 1.0000 .0000 .10000E+07 6 'norm ' 1.4151 1.0000 .0000 .10000E+07 7 'Prefactor ' 1.7790 1.0000 .0000 .10000E+07 8 'Prefactor ' 24.671 1.0000 .0000 .10000E+07 9 'Prefactor ' .77161E-08 1.0000 .0000 .10000E+07 10 'norm ' .50136E-02 1.0000 .0000 .10000E+07 11 'Prefactor ' .26312E-07 1.0000 .0000 .10000E+07 12 'Prefactor ' 41.954 1.0000 .0000 .10000E+07 13 'Prefactor ' 4.5163 1.0000 .0000 .10000E+07 14 'norm ' 13.729 1.0000 .0000 .10000E+07 15 'Prefactor ' .13634E-01 1.0000 .0000 .10000E+07 16 'Prefactor ' 2.8497 1.0000 .0000 .10000E+07 17 'Prefactor ' .11102E-09 1.0000 .0000 .10000E+07 18 'norm ' 2.8992 1.0000 .0000 .10000E+07 19 'Prefactor ' 38.294 1.0000 .0000 .10000E+07 20 'norm ' 9.9241 1.0000 .0000 .10000E+07 21 'Prefactor ' 27.872 1.0000 .0000 .10000E+07 22 'norm ' 19.982 1.0000 .0000 .10000E+07 23 'Prefactor ' 4.0340 1.0000 .0000 .10000E+07 24 'Normalizat' .76858 1.0000 .10000E-01 10.000 25 'Prefactor ' 1.0169 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6400E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 13216.81 FROM MIGRAD STATUS=CONVERGED 176 CALLS 1322 TOTAL EDM= .63E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 4.2% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .27756E-09 33.749 -.30431E-06** at limit ** 2 Prefactor 3.3980 3.1770 .78378E-07 .31626E-02 3 Prefactor .55511E-10 8.3035 -.47254E-05** at limit ** 4 Prefactor 26.741 67.621 -.71132E-07 -.66310E-04 5 Prefactor .55511E-10 2.7672 -.38428E-06** at limit ** 6 norm 1.4155 .25473 .59310E-07 -.57459E-01 7 Prefactor 1.7821 1.5415 .35722E-06 -.43968E-03 8 Prefactor 24.493 11.279 -.31231E-05 -.47048E-03 9 Prefactor .0000 4.8855 .62306E-06** at limit ** 10 norm .55511E-10 11.415 .25965E-05** at limit ** 11 Prefactor .55511E-10 .72294 .39181E-06** at limit ** 12 Prefactor 42.528 30.420 -.36385E-05 .76707E-03 13 Prefactor 4.5809 10.502 -.10234E-05 .14635E-02 14 norm 13.717 2.7876 .18280E-06 .26590E-02 15 Prefactor .77161E-08 26.842 -.63969E-05** at limit ** 16 Prefactor 2.8497 3.6801 -.19715E-06 -.79930E-02 17 Prefactor .55511E-10 8.0133 .57564E-05** at limit ** 18 norm 2.9001 .82943 -.56500E-07 .94840E-02 19 Prefactor 38.298 1.4023 .41224E-07 .12063E-01 20 norm 10.000 6.4816 -.87558E-07 .16646E-02 21 Prefactor 27.827 1.2260 -.59040E-07 .45443E-02 22 norm 19.985 1.7044 .33850E-07 .59457E-02 23 Prefactor 4.0438 5.2712 -.10250E-05 -.86037E-03 24 Normalizat .76768 .14676 .38465E-04 -.19869E-03 25 Prefactor 1.0170 .16634 -.31865E-04 -.22921E-04 ERR DEF= .500 Final values: Prefactor = 2.77556e-10 Prefactor = 3.39796 Prefactor = 5.55112e-11 Prefactor = 26.7411 Prefactor = 5.55112e-11 norm = 1.41554 Prefactor = 1.78214 Prefactor = 24.4925 Prefactor = 0 norm = 5.55112e-11 Prefactor = 5.55112e-11 Prefactor = 42.5281 Prefactor = 4.58095 norm = 13.7165 Prefactor = 7.71605e-09 Prefactor = 2.84974 Prefactor = 5.55112e-11 norm = 2.90008 Prefactor = 38.2984 norm = 10.0004 Prefactor = 27.8273 norm = 19.9846 Prefactor = 4.04384 Normalizat = 0.767684 Prefactor = 1.01701 ********** ** 18 **HESSE ********** FCN= 13216.81 FROM HESSE STATUS=OK 487 CALLS 1809 TOTAL EDM= .67E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .27756E-09 32.750 .14168E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 3.3980 3.1691 .54809E-03 -1.5671 3 Prefactor .55511E-10 8.3068 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 26.741 67.172 .20645E-03 -1.5605 5 Prefactor .55511E-10 2.7639 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm 1.4155 .25380 .52974E-03 -1.5684 7 Prefactor 1.7821 1.5525 .78443E-03 -1.5681 8 Prefactor 24.493 11.266 .20137E-03 -1.5609 9 Prefactor .0000 4.8988 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm .55511E-10 11.409 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor .55511E-10 .71874 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor 42.528 30.393 .15440E-03 -1.5578 13 Prefactor 4.5809 10.560 .47350E-03 -1.5665 14 norm 13.717 2.7841 .27006E-03 -1.5634 15 Prefactor .77161E-08 26.587 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 2.8497 3.6831 .60203E-03 -1.5674 17 Prefactor .55511E-10 8.0252 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm 2.9001 .84373 .59653E-03 -1.5674 19 Prefactor 38.298 16.666 .16161E-03 -1.5584 20 norm 10.000 6.5009 .31784E-03 -1.5645 21 Prefactor 27.827 24.038 .18945E-03 -1.5602 22 norm 19.985 1.7196 .22378E-03 -1.5619 23 Prefactor 4.0438 5.2816 .50182E-03 -1.5668 24 Normalizat .76768 .12421 .64767E-01 -1.0128 25 Prefactor 1.0170 .13991 .67740E-01 -.92165 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 6.66687e-07 Minuit parameter uncertainties: 1 0.000192333 2 3.1691 3 3.4945e-05 4 67.1735 5 2.84777e-05 6 0.253798 7 1.55247 8 11.2657 9 2.29835e-05 10 5.10827e-05 11 1.38686e-05 12 30.3936 13 10.56 14 2.78407 15 0.000905394 16 3.68307 17 4.30277e-05 18 0.84373 19 16.6656 20 6.5009 21 24.0383 22 1.71956 23 5.28165 24 0.124258 25 0.139956 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13216.8111323 Extracting fit parameters... 4FGL J1127.8+3618 Spectrum: PowerLaw 326 Prefactor: 5.551e-11 1.387e-05 0.000e+00 1.000e+06 ( 1.000e-12) 327 Index: 2.371e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 328 Scale: 9.242e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 637 Prefactor: 1.017e+00 1.400e-01 0.000e+00 1.000e+01 ( 1.000e+00) 638 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 639 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 636 Normalization: 7.677e-01 1.243e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 171.964 36.314 Photon Flux Upper Limit: 4.12555621416e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00318175649392 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/18471763/likelihoodResults_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.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) = 13216.8143884 delta logL = -0.00325607751438 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 13216.8111326 delta logL = -2.40816007135e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .33618E-06 1.0000 .0000 .10000E+07 2 'Index ' 2.0042 1.0000 .0000 10.000 3 'Normalizat' .76767 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0170 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6400E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13216.81 FROM MIGRAD STATUS=CONVERGED 47 CALLS 255 TOTAL EDM= .44E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .30062E-01 .68306E-03** at limit ** 2 Index 4.4608 1.2666 .77737E-04 .0000 3 Normalizat .76769 1.1070 .71093E-04 .11327E-04 4 Prefactor 1.0170 1.2449 -.77916E-04 -.45319E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 4.46077 Normalizat = 0.767688 Prefactor = 1.01701 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13216.81 FROM HESSE STATUS=FAILED 9 CALLS 264 TOTAL EDM= .44E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .30062E-01 .68306E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.1027 2.3758 .77737E-04 -.10806 3 Normalizat .76769 1.1070 .71093E-04 -1.0128 4 Prefactor 1.0170 1.2449 -.77916E-04 -.92165 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 4.359e-10 Minuit parameter uncertainties: 1 1.70451e-07 2 1.28074 3 1.14223 4 1.28306 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) = 13216.8111323 delta logL = -2.38287611865e-10 Extracting fit parameters... 4FGL J1127.8+3618 Spectrum: PowerLaw 326 Prefactor: 0.000e+00 1.705e-07 0.000e+00 1.000e+06 ( 1.000e-12) 327 Index: 4.461e+00 1.281e+00 0.000e+00 1.000e+01 (-1.000e+00) 328 Scale: 9.242e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 637 Prefactor: 1.017e+00 1.283e+00 0.000e+00 1.000e+01 ( 1.000e+00) 638 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 639 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 636 Normalization: 7.677e-01 1.142e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 171.964 36.314 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/18471763/cmap_HighResolution_788745601_789350401_4FGL_J1127.8+3618_weekly_bin909.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.18e-03', job_status='DONE', photon_flux_upper_limit='4.13e-08', time_completed='2026-01-06 02:22:46.198962', job_id='18471763', GAL2='1.02', fit_tolerance='1e-08', EG2='0.77', EG='0.77', time_epoch_completed='1767694966.2', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.02', dlogl='-2.38e-10', ts2='0.00', photon_index_error='0.00', photon_index='2.37' WHERE bin_id='909' AND source_name='4FGL J1127.8+3618' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jan 6 02:22:46 PST 2026