/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 /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). 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) /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). WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). tfile=/lscratch/kocevski/28103851/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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/28103851/ft2_4FGL_J2131.5-0916_daily_bin2172.fits .....................! real 10.02 user 9.40 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/28103851/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28103851/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" expcube=/lscratch/kocevski/28103851/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103851/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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/28103851/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits .....................! real 68.94 user 64.41 sys 3.90 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 170 point sources and 0 extended sources Setting source of interest to: 4FGL J2131.5-0916 @ 322.891 -9.2684 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/28103851/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits scfile=/lscratch/kocevski/28103851/ft2_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103851/cmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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=322.891 yref=-9.2684 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 0.67 user 0.21 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/28103851/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits scfile=/lscratch/kocevski/28103851/ft2_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103851/cmap_HighResolution_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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=322.891 yref=-9.2684 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 0.23 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/28103851/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28103851/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/28103851/Model_4FGL_J2131.5-0916_daily_bin2172.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 GAnumber of points = 7567 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2131.5-0916_daily_bin2172 RA = 322.891, Dec = -9.2684 tmin = 802310401, tmax = 802569601 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='28103990', job_status='RUN', time_executed='2026-06-08 16:56:26.291058', time_epoch_executed='1780962986.29' WHERE source_name='4FGL J2131.5-0916' and cadence='daily' and bin_id='2172' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/28103990 Creating custom pfile directory: /lscratch/kocevski/28103990/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/28103990/ft1_4FGL_J2131.5-0916_daily_bin2172.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/28103990/ft1_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103990/ft1_filteredMKT_4FGL_J2131.5-0916_daily_bin2172.fits ra=322.891 dec=-9.2684 rad=12.0 tmin=802310401.0 tmax=802569601.0 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 2.32 user 1.79 sys 0.17 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.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/28103990/ft1_filteredMKT_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" outfile="/lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.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 0.69 user 0.17 sys 0.14 Number of photons that the gtmktime cut: 923 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits" evtable="EVENTS" scfile=/lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" ouL_V02 Working on... /lscratch/kocevski/28103851/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits.....................! real 36.99 user 35.36 sys 1.14 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28103851/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits', '/lscratch/kocevski/28103851/ft2_4FGL_J2131.5-0916_daily_bin2172.fits', expMap='/lscratch/kocevski/28103851/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits', expCube='/lscratch/kocevski/28103851/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28103851/Model_4FGL_J2131.5-0916_daily_bin2172.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2131.5-0916' 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.196e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28103851/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits Spacecraft file(s): /lscratch/kocevski/28103851/ft2_4FGL_J2131.5-0916_daily_bin2172.fits Exposure map: /lscratch/kocevski/28103851/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits Exposure cube: /lscratch/kocevski/28103851/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28103851/Model_4FGL_J2131.5-0916_daily_bin2172.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) = 9803.57219523 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9803.54906013 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .25204E-05 1.0000 .0000 .10000E+07 2 'Prefactor ' 11.186 1.0000 .0000 .10000E+07 3 'Prefactor ' .74829 1.0000 .0000 .10000E+07 4 'Prefactor ' 7.1010 1.0000 .0000 .10000E+07 5 'Prefactor ' .30543E-02 1.0000 .0000 .10000E+07 6 'Prefactor ' .24559E-05 1.0000 .0000 .10000E+07 7 'Prefactor ' 1.3532 1.0000 .0000 .10000E+07 8 'Prefactor ' .28521E-01 1.0000 .0000 .10000E+07 9 'Prefactor ' 51.128 1.0000 .0000 .10000E+07 10 'norm ' 15.846 1.0000 .0000 .10000E+07 11 'Prefactor ' 6.4398 1.0000 .0000 .10000E+07 12 'Prefactor ' 20.772 1.0000 .0000 .10000E+07 13 'Prefactor ' 12.376 1.0000 .0000 .10000E+07 14 'Prefactor ' 4.2137 1.0000 .0000 .10000E+07 15 'Normalizat' 1.3817 1.0000 .10000E-01 10.000 16 'Prefactor ' .85277 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9803.548 FROM MIGRAD STATUS=CONVERGED 98 CALLS 876 TOTAL EDM= .57E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 3.1722 -.44441E-08** at limit ** 2 Prefactor 10.957 29.280 .41876E-07 .17584E-01 3 Prefactor .77718 6.4604 .45239E-07 -.33785E-01 4 Prefactor 7.1016 4.1214 -.33930E-08 .88833E-03 5 Prefactor .37192E-08 20.960 .14078E-06** at limit ** 6 Prefactor .16653E-09 2.9854 .16919E-06** at limit ** 7 Prefactor 1.3546 1.2996 .31284E-07 .57901E-02 8 Prefactor .87758E-06 97.859 -.15554E-07** at limit ** 9 Prefactor 50.962 3.8084 -.10777E-08 .37881E-01 10 norm 15.856 5.5799 .75994E-08 -.67014E-01 11 Prefactor 6.5006 5.9311 .78310E-07 .87111E-02 12 Prefactor 20.710 8.4312 -.62018E-08 .50322E-02 13 Prefactor 12.663 10.807 -.68972E-08 -.27226E-01 14 Prefactor 4.2253 7.8443 -.40838E-08 -.10263E-01 15 Normalizat 1.3810 .23346 .71535E-08 .17705E-03 16 Prefactor .85306 .12661 .28111E-06 .24469E-03 ERR DEF= .500 Final values: Prefactor = 0 Prefactor = 10.957 Prefactor = 0.777177 Prefactor = 7.10159 Prefactor = 3.71925e-09 Prefactor = 1.66533e-10 Prefactor = 1.35458 Prefactor = 8.77576e-07 Prefactor = 50.9616 norm = 15.8562 Prefactor = 6.50058 Prefactor = 20.7099 Prefactor = 12.663 Prefactor = 4.22526 Normalizat = 1.38097 Prefactor = 0.853059 number of points = 7567 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2131.5-0916_daily_bin2172 RA = 322.891, Dec = -9.2684 tmin = 802310401, tmax = 802569601 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='28103954', job_status='RUN', time_executed='2026-06-08 16:56:27.369483', time_epoch_executed='1780962987.37' WHERE source_name='4FGL J2131.5-0916' and cadence='daily' and bin_id='2172' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/28103954 Creating custom pfile directory: /lscratch/kocevski/28103954/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/28103954/ft1_4FGL_J2131.5-0916_daily_bin2172.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=802310401.0 && nMetStart<802569601.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/28103954/ft1_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103954/ft1_filteredMKT_4FGL_J2131.5-0916_daily_bin2172.fits ra=322.891 dec=-9.2684 rad=12.0 tmin=802310401.0 tmax=802569601.0 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 2.42 user 1.94 sys 0.18 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.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/28103954/ft1_filteredMKT_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" outfile="/lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.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 0.56 user 0.18 sys 0.12 Number of photons that the gtmktime cut: 923 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits" evtable="EVENTS" scfile=/lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" ou ********** ** 18 **HESSE ********** FCN= 9803.548 FROM HESSE STATUS=OK 243 CALLS 1119 TOTAL EDM= .19E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 3.1614 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 10.957 31.392 .29929E-03 -1.5642 3 Prefactor .77718 26.451 .56872E-03 -1.5690 4 Prefactor 7.1016 9.3554 .37621E-03 -1.5655 5 Prefactor .37192E-08 21.006 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .16653E-09 2.9594 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 1.3546 1.3056 .93971E-03 -1.5685 8 Prefactor .87758E-06 11.580 .16530E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 50.962 19.403 .13986E-03 -1.5565 10 norm 15.856 8.3927 .25134E-03 -1.5628 11 Prefactor 6.5006 6.0203 .39526E-03 -1.5657 12 Prefactor 20.710 9.9901 .21948E-03 -1.5617 13 Prefactor 12.663 11.534 .28449E-03 -1.5637 14 Prefactor 4.2253 9.4162 .49067E-03 -1.5667 15 Normalizat 1.3810 .19656 .66776E-01 -.81181 16 Prefactor .85306 .10377 .44400E-01 -.97801 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.87667e-07 Minuit parameter uncertainties: 1 1.31618e-05 2 31.3925 3 9.06803 4 9.35542 5 0.000558222 6 4.38831e-05 7 1.30559 8 0.0063757 9 19.4032 10 8.39275 11 6.02029 12 9.99012 13 11.5342 14 9.41624 15 0.196664 16 0.103799 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9803.54839623 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.665e-10 4.388e-05 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 8.531e-01 1.038e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 1.381e+00 1.967e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 322.891 -9.268 Photon Flux Upper Limit: 4.37480555211e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00327804420345 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28103851/likelihoodResults_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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) = 9803.54902323 delta logL = -0.00062699744376 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 9803.54839634 delta logL = -1.10412656795e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .39468E-07 1.0000 .0000 .10000E+07 2 'Index ' 1.0403 1.0000 .0000 10.000 3 'Normalizat' 1.3809 1.0000 .10000E-01 10.000 4 'Prefactor ' .85309 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 9803.548 FROM MIGRAD STATUS=CONVERGED 61 CALLS 255 TOTAL EDM= .20E-13 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .16653E-09 .12520E-02 .42118E-03** at limit ** 2 Index 2.4736 6.1771 .40516 .16836E-09 3 Normalizat 1.3810 .11150E-03 .66776E-01 .71542E-03 4 Prefactor .85306 .61797E-04 .44404E-01 .45636E-03 ERR DEF= .500 Final values: Prefactor = 1.66533e-10 Index = 2.47361 Normalizat = 1.38097 Prefactor = 0.853056 ********** ** 18 **HESSE ********** FCN= 9803.548 FROM HESSE STATUS=OK 29 CALLS 284 TOTAL EDM= .97E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .16653E-09 2.3270 .16847E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.4736 6.2356 .50000 -.52970 3 Normalizat 1.3810 .22389 .29541E-03 -.81181 4 Prefactor .85306 .12424 .20148E-03 -.97801 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.74432e-10 Minuit parameter uncertainties: 1 4.14695e-05 2 4.35812 3 0.224052 4 0.124276 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) = 9803.54839623 delta logL = -4.42014425062e-10 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.665e-10 4.147e-05 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 2.474e+00 4.358e+00 0.000e+00 1.000e+01 (-1.000e+00) 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 8.531e-01 1.243e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 1.381e+00 2.241e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 322.891 -9.268 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/28103851/cmap_HighResolution_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.28e-03', job_status='DONE', photon_flux_upper_limit='4.37e-08', time_completed='2026-06-08 16:58:57.056324', job_id='28103851', GAL2='0.85', fit_tolerance='1e-08', EG2='1.38', EG='1.38', time_epoch_completed='1780963137.06', return_code2='0', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.85', dlogl='-4.42e-10', ts2='-0.00', photon_index_error='0.00', photon_index='1.99' WHERE bin_id='2172' AND source_name='4FGL J2131.5-0916' AND cadence='daily'; Database successfully updated. Analysis Complete. Mon Jun 8 16:58:57 PDT 2026 tfile=/lscratch/kocevski/28103990/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits .....................! real 7.51 user 6.92 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" expcube=/lscratch/kocevski/28103990/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103990/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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/28103990/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits .....................! real 59.76 user 55.40 sys 3.65 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 170 point sources and 0 extended sources Setting source of interest to: 4FGL J2131.5-0916 @ 322.891 -9.2684 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits scfile=/lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103990/cmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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=322.891 yref=-9.2684 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 0.77 user 0.20 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits scfile=/lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103990/cmap_HighResolution_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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=322.891 yref=-9.2684 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 0.65 user 0.21 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/28103990/Model_4FGL_J2131.5-0916_daily_bin2172.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 GALtfile=/lscratch/kocevski/28103954/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits .....................! real 7.86 user 7.30 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" expcube=/lscratch/kocevski/28103954/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103954/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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/28103954/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits .....................! real 63.64 user 59.09 sys 3.77 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 170 point sources and 0 extended sources Setting source of interest to: 4FGL J2131.5-0916 @ 322.891 -9.2684 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits scfile=/lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103954/cmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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=322.891 yref=-9.2684 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 0.62 user 0.22 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits scfile=/lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits outfile=/lscratch/kocevski/28103954/cmap_HighResolution_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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=322.891 yref=-9.2684 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 0.22 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits evtable="EVENTS" scfile=/lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/28103954/Model_4FGL_J2131.5-0916_daily_bin2172.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/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits.....................! real 31.30 user 29.87 sys 0.92 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits', '/lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits', expMap='/lscratch/kocevski/28103990/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits', expCube='/lscratch/kocevski/28103990/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28103990/Model_4FGL_J2131.5-0916_daily_bin2172.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2131.5-0916' 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.196e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28103990/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits Spacecraft file(s): /lscratch/kocevski/28103990/ft2_4FGL_J2131.5-0916_daily_bin2172.fits Exposure map: /lscratch/kocevski/28103990/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits Exposure cube: /lscratch/kocevski/28103990/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28103990/Model_4FGL_J2131.5-0916_daily_bin2172.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) = 9803.57219523 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9803.54906013 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .25204E-05 1.0000 .0000 .10000E+07 2 'Prefactor ' 11.186 1.0000 .0000 .10000E+07 3 'Prefactor ' .74829 1.0000 .0000 .10000E+07 4 'Prefactor ' 7.1010 1.0000 .0000 .10000E+07 5 'Prefactor ' .30543E-02 1.0000 .0000 .10000E+07 6 'Prefactor ' .24559E-05 1.0000 .0000 .10000E+07 7 'Prefactor ' 1.3532 1.0000 .0000 .10000E+07 8 'Prefactor ' .28521E-01 1.0000 .0000 .10000E+07 9 'Prefactor ' 51.128 1.0000 .0000 .10000E+07 10 'norm ' 15.846 1.0000 .0000 .10000E+07 11 'Prefactor ' 6.4398 1.0000 .0000 .10000E+07 12 'Prefactor ' 20.772 1.0000 .0000 .10000E+07 13 'Prefactor ' 12.376 1.0000 .0000 .10000E+07 14 'Prefactor ' 4.2137 1.0000 .0000 .10000E+07 15 'Normalizat' 1.3817 1.0000 .10000E-01 10.000 16 'Prefactor ' .85277 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9803.548 FROM MIGRAD STATUS=CONVERGED 98 CALLS 876 TOTAL EDM= .57E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 3.1722 -.44441E-08** at limit ** 2 Prefactor 10.957 29.280 .41876E-07 .17584E-01 3 Prefactor .77718 6.4604 .45239E-07 -.33785E-01 4 Prefactor 7.1016 4.1214 -.33930E-08 .88833E-03 5 Prefactor .37192E-08 20.960 .14078E-06** at limit ** 6 Prefactor .16653E-09 2.9854 .16919E-06** at limit ** 7 Prefactor 1.3546 1.2996 .31284E-07 .57901E-02 8 Prefactor .87758E-06 97.859 -.15554E-07** at limit ** 9 Prefactor 50.962 3.8084 -.10777E-08 .37881E-01 10 norm 15.856 5.5799 .75994E-08 -.67014E-01 11 Prefactor 6.5006 5.9311 .78310E-07 .87111E-02 12 Prefactor 20.710 8.4312 -.62018E-08 .50322E-02 13 Prefactor 12.663 10.807 -.68972E-08 -.27226E-01 14 Prefactor 4.2253 7.8443 -.40838E-08 -.10263E-01 15 Normalizat 1.3810 .23346 .71535E-08 .17705E-03 16 Prefactor .85306 .12661 .28111E-06 .24469E-03 ERR DEF= .500 Final values: Prefactor = 0 Prefactor = 10.957 Prefactor = 0.777177 Prefactor = 7.10159 Prefactor = 3.71925e-09 Prefactor = 1.66533e-10 Prefactor = 1.35458 Prefactor = 8.77576e-07 Prefactor = 50.9616 norm = 15.8562 Prefactor = 6.50058 Prefactor = 20.7099 Prefactor = 12.663 Prefactor = 4.22526 Normalizat = 1.38097 Prefactor = 0.853059 ********** ** 18 **HESSE ********** FCN= 9803.548 FROM HESSE STATUS=OK 243 CALLS 1119 TOTAL EDM= .19E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 3.1614 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 10.957 31.392 .29929E-03 -1.5642 3 Prefactor .77718 26.451 .56872E-03 -1.5690 4 Prefactor 7.1016 9.3554 .37621E-03 -1.5655 5 Prefactor .37192E-08 21.006 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .16653E-09 2.9594 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 1.3546 1.3056 .93971E-03 -1.5685 8 Prefactor .87758E-06 11.580 .16530E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 50.962 19.403 .13986E-03 -1.5565 10 norm 15.856 8.3927 .25134E-03 -1.5628 11 Prefactor 6.5006 6.0203 .39526E-03 -1.5657 12 Prefactor 20.710 9.9901 .21948E-03 -1.5617 13 Prefactor 12.663 11.534 .28449E-03 -1.5637 14 Prefactor 4.2253 9.4162 .49067E-03 -1.5667 15 Normalizat 1.3810 .19656 .66776E-01 -.81181 16 Prefactor .85306 .10377 .44400E-01 -.97801 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.87667e-07 Minuit parameter uncertainties: 1 1.31618e-05 2 31.3925 3 9.06803 4 9.35542 5 0.000558222 6 4.38831e-05 7 1.30559 8 0.0063757 9 19.4032 10 8.39275 11 6.02029 12 9.99012 13 11.5342 14 9.41624 15 0.196664 16 0.103799 _V02 Working on... /lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits.....................! real 34.09 user 32.38 sys 0.99 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits', '/lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits', expMap='/lscratch/kocevski/28103954/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits', expCube='/lscratch/kocevski/28103954/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28103954/Model_4FGL_J2131.5-0916_daily_bin2172.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2131.5-0916' 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.196e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28103954/ft1_filtered_4FGL_J2131.5-0916_daily_bin2172.fits Spacecraft file(s): /lscratch/kocevski/28103954/ft2_4FGL_J2131.5-0916_daily_bin2172.fits Exposure map: /lscratch/kocevski/28103954/expmap_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits Exposure cube: /lscratch/kocevski/28103954/ltcube_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28103954/Model_4FGL_J2131.5-0916_daily_bin2172.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) = 9803.57219523 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9803.54906013 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .25204E-05 1.0000 .0000 .10000E+07 2 'Prefactor ' 11.186 1.0000 .0000 .10000E+07 3 'Prefactor ' .74829 1.0000 .0000 .10000E+07 4 'Prefactor ' 7.1010 1.0000 .0000 .10000E+07 5 'Prefactor ' .30543E-02 1.0000 .0000 .10000E+07 6 'Prefactor ' .24559E-05 1.0000 .0000 .10000E+07 7 'Prefactor ' 1.3532 1.0000 .0000 .10000E+07 8 'Prefactor ' .28521E-01 1.0000 .0000 .10000E+07 9 'Prefactor ' 51.128 1.0000 .0000 .10000E+07 10 'norm ' 15.846 1.0000 .0000 .10000E+07 11 'Prefactor ' 6.4398 1.0000 .0000 .10000E+07 12 'Prefactor ' 20.772 1.0000 .0000 .10000E+07 13 'Prefactor ' 12.376 1.0000 .0000 .10000E+07 14 'Prefactor ' 4.2137 1.0000 .0000 .10000E+07 15 'Normalizat' 1.3817 1.0000 .10000E-01 10.000 16 'Prefactor ' .85277 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9803.548 FROM MIGRAD STATUS=CONVERGED 98 CALLS 876 TOTAL EDM= .57E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 3.1722 -.44441E-08** at limit ** 2 Prefactor 10.957 29.280 .41876E-07 .17584E-01 3 Prefactor .77718 6.4604 .45239E-07 -.33785E-01 4 Prefactor 7.1016 4.1214 -.33930E-08 .88833E-03 5 Prefactor .37192E-08 20.960 .14078E-06** at limit ** 6 Prefactor .16653E-09 2.9854 .16919E-06** at limit ** 7 Prefactor 1.3546 1.2996 .31284E-07 .57901E-02 8 Prefactor .87758E-06 97.859 -.15554E-07** at limit ** 9 Prefactor 50.962 3.8084 -.10777E-08 .37881E-01 10 norm 15.856 5.5799 .75994E-08 -.67014E-01 11 Prefactor 6.5006 5.9311 .78310E-07 .87111E-02 12 Prefactor 20.710 8.4312 -.62018E-08 .50322E-02 13 Prefactor 12.663 10.807 -.68972E-08 -.27226E-01 14 Prefactor 4.2253 7.8443 -.40838E-08 -.10263E-01 15 Normalizat 1.3810 .23346 .71535E-08 .17705E-03 16 Prefactor .85306 .12661 .28111E-06 .24469E-03 ERR DEF= .500 Final values: Prefactor = 0 Prefactor = 10.957 Prefactor = 0.777177 Prefactor = 7.10159 Prefactor = 3.71925e-09 Prefactor = 1.66533e-10 Prefactor = 1.35458 Prefactor = 8.77576e-07 Prefactor = 50.9616 norm = 15.8562 Prefactor = 6.50058 Prefactor = 20.7099 Prefactor = 12.663 Prefactor = 4.22526 Normalizat = 1.38097 Prefactor = 0.853059 ********** ** 18 **HESSE ********** FCN= 9803.548 FROM HESSE STATUS=OK 243 CALLS 1119 TOTAL EDM= .19E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 3.1614 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor 10.957 31.392 .29929E-03 -1.5642 3 Prefactor .77718 26.451 .56872E-03 -1.5690 4 Prefactor 7.1016 9.3554 .37621E-03 -1.5655 5 Prefactor .37192E-08 21.006 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .16653E-09 2.9594 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor 1.3546 1.3056 .93971E-03 -1.5685 8 Prefactor .87758E-06 11.580 .16530E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor 50.962 19.403 .13986E-03 -1.5565 10 norm 15.856 8.3927 .25134E-03 -1.5628 11 Prefactor 6.5006 6.0203 .39526E-03 -1.5657 12 Prefactor 20.710 9.9901 .21948E-03 -1.5617 13 Prefactor 12.663 11.534 .28449E-03 -1.5637 14 Prefactor 4.2253 9.4162 .49067E-03 -1.5667 15 Normalizat 1.3810 .19656 .66776E-01 -.81181 16 Prefactor .85306 .10377 .44400E-01 -.97801 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.87667e-07 Minuit parameter uncertainties: 1 1.31618e-05 2 31.3925 3 9.06803 4 9.35542 5 0.000558222 6 4.38831e-05 7 1.30559 8 0.0063757 9 19.4032 10 8.39275 11 6.02029 12 9.99012 13 11.5342 14 9.41624 15 0.196664 16 0.103799 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9803.54839623 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.665e-10 4.388e-05 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 8.531e-01 1.038e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 1.381e+00 1.967e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 322.891 -9.268 Photon Flux Upper Limit: 4.37480555211e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00327804420345 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28103990/likelihoodResults_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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) = 9803.54902323 delta logL = -0.00062699744376 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 9803.54839634 delta logL = -1.10412656795e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .39468E-07 1.0000 .0000 .10000E+07 2 'Index ' 1.0403 1.0000 .0000 10.000 3 'Normalizat' 1.3809 1.0000 .10000E-01 10.000 4 'Prefactor ' .85309 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 9803.548 FROM MIGRAD STATUS=CONVERGED 61 CALLS 255 TOTAL EDM= .20E-13 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .16653E-09 .12520E-02 .42118E-03** at limit ** 2 Index 2.4736 6.1771 .40516 .16836E-09 3 Normalizat 1.3810 .11150E-03 .66776E-01 .71542E-03 4 Prefactor .85306 .61797E-04 .44404E-01 .45636E-03 ERR DEF= .500 Final values: Prefactor = 1.66533e-10 Index = 2.47361 Normalizat = 1.38097 Prefactor = 0.853056 ********** ** 18 **HESSE ********** FCN= 9803.548 FROM HESSE STATUS=OK 29 CALLS 284 TOTAL EDM= .97E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .16653E-09 2.3270 .16847E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.4736 6.2356 .50000 -.52970 3 Normalizat 1.3810 .22389 .29541E-03 -.81181 4 Prefactor .85306 .12424 .20148E-03 -.97801 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.74432e-10 Minuit parameter uncertainties: 1 4.14695e-05 2 4.35812 3 0.224052 4 0.124276 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) = 9803.54839623 delta logL = -4.42014425062e-10 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.665e-10 4.147e-05 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 2.474e+00 4.358e+00 0.000e+00 1.000e+01 (-1.000e+00) 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 8.531e-01 1.243e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 1.381e+00 2.241e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 322.891 -9.268 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/28103990/cmap_HighResolution_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.28e-03', job_status='DONE', photon_flux_upper_limit='4.37e-08', time_completed='2026-06-08 17:01:23.771369', job_id='28103990', GAL2='0.85', fit_tolerance='1e-08', EG2='1.38', EG='1.38', time_epoch_completed='1780963283.77', return_code2='0', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.85', dlogl='-4.42e-10', ts2='-0.00', photon_index_error='0.00', photon_index='1.99' WHERE bin_id='2172' AND source_name='4FGL J2131.5-0916' AND cadence='daily'; Database successfully updated. Analysis Complete. Mon Jun 8 17:01:24 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9803.54839623 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.665e-10 4.388e-05 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 1.989e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 8.531e-01 1.038e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 1.381e+00 1.967e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 322.891 -9.268 Photon Flux Upper Limit: 4.37480555211e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00327804420345 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28103954/likelihoodResults_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.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) = 9803.54902323 delta logL = -0.00062699744376 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 9803.54839634 delta logL = -1.10412656795e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .39468E-07 1.0000 .0000 .10000E+07 2 'Index ' 1.0403 1.0000 .0000 10.000 3 'Normalizat' 1.3809 1.0000 .10000E-01 10.000 4 'Prefactor ' .85309 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5500E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 9803.548 FROM MIGRAD STATUS=CONVERGED 61 CALLS 255 TOTAL EDM= .20E-13 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .16653E-09 .12520E-02 .42118E-03** at limit ** 2 Index 2.4736 6.1771 .40516 .16836E-09 3 Normalizat 1.3810 .11150E-03 .66776E-01 .71542E-03 4 Prefactor .85306 .61797E-04 .44404E-01 .45636E-03 ERR DEF= .500 Final values: Prefactor = 1.66533e-10 Index = 2.47361 Normalizat = 1.38097 Prefactor = 0.853056 ********** ** 18 **HESSE ********** FCN= 9803.548 FROM HESSE STATUS=OK 29 CALLS 284 TOTAL EDM= .97E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .16653E-09 2.3270 .16847E-04 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 2.4736 6.2356 .50000 -.52970 3 Normalizat 1.3810 .22389 .29541E-03 -.81181 4 Prefactor .85306 .12424 .20148E-03 -.97801 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 9.74432e-10 Minuit parameter uncertainties: 1 4.14695e-05 2 4.35812 3 0.224052 4 0.124276 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) = 9803.54839623 delta logL = -4.42014425062e-10 Extracting fit parameters... 4FGL J2131.5-0916 Spectrum: PowerLaw 287 Prefactor: 1.665e-10 4.147e-05 0.000e+00 1.000e+06 ( 1.000e-13) 288 Index: 2.474e+00 4.358e+00 0.000e+00 1.000e+01 (-1.000e+00) 289 Scale: 2.343e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 547 Prefactor: 8.531e-01 1.243e-01 0.000e+00 1.000e+01 ( 1.000e+00) 548 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 549 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 546 Normalization: 1.381e+00 2.241e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 322.891 -9.268 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/28103954/cmap_HighResolution_802310401_802569601_4FGL_J2131.5-0916_daily_bin2172.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='3.28e-03', job_status='DONE', photon_flux_upper_limit='4.37e-08', time_completed='2026-06-08 17:01:46.052164', job_id='28103954', GAL2='0.85', fit_tolerance='1e-08', EG2='1.38', EG='1.38', time_epoch_completed='1780963306.05', return_code2='0', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.85', dlogl='-4.42e-10', ts2='-0.00', photon_index_error='0.00', photon_index='1.99' WHERE bin_id='2172' AND source_name='4FGL J2131.5-0916' AND cadence='daily'; Database successfully updated. Analysis Complete. Mon Jun 8 17:01:46 PDT 2026