********** ** 18 **HESSE ********** FCN= 7131.242 FROM HESSE STATUS=OK 284 CALLS 1399 TOTAL EDM= .14E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 2.0753 36.991 .71474E-03 -1.5679 2 norm .57758 .49767 .71278E-03 -1.5693 3 Prefactor 13.194 9.6987 .27574E-03 -1.5635 4 norm .0000 .42605 .27105E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .0000 22.513 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 5.2517 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .0000 4.9538 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .0000 12.470 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .0000 18.215 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .0000 1.7221 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .0000 1.0363 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm .0000 2.8174 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 1.5346 12.335 .85971E-03 -1.5683 14 norm .0000 .20872 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm 5.5142 3.0005 .42761E-03 -1.5661 16 Prefactor 6.9879 5.2588 .37950E-03 -1.5655 17 Normalizat .72510 .15190 .42625E-01 -1.0291 18 Prefactor 1.1548 .14691 .35798E-01 -.87734 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.43386e-08 Minuit parameter uncertainties: 1 17.5234 2 0.497666 3 9.6987 4 2.49658e-08 5 9.51979e-06 6 6.49279e-07 7 2.24966e-06 8 4.22679e-06 9 1.4962e-05 10 2.4258e-08 11 1.88569e-07 12 1.05502e-06 13 8.70143 14 3.32273e-08 15 3.00054 16 5.25878 17 0.151993 18 0.146964 /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). Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7131.24175449 Extracting fit parameters... 4FGL J2321.5-1619 Spectrum: PowerLaw 351 Prefactor: 0.000e+00 1.496e-05 0.000e+00 1.000e+06 ( 1.000e-14) 352 Index: 1.829e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 3.503e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 511 Prefactor: 1.155e+00 1.470e-01 0.000e+00 1.000e+01 ( 1.000e+00) 512 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 513 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 510 Normalization: 7.251e-01 1.520e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.00 Ra Dec: 350.385 -16.318 Photon Flux Upper Limit: 3.82527909981e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00282637870715 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32121334/likelihoodResults_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.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) = 7131.26862337 delta logL = -0.0268688807537 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 1 logL (Free Index) = 7130.25124042 delta logL = 0.990514069421 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .33307E-09 1.0000 .0000 .10000E+07 2 'Index ' 9.7832 1.0000 .0000 10.000 3 'Normalizat' .64813 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.2064 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5140E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MIGRAD TERMINATED WITHOUT CONVERGENCE. FCN= 7131.242 FROM MIGRAD STATUS=FAILED 185 CALLS 989 TOTAL EDM= .24E-06 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .72164E-09 .30809E-08 .43870 ** at limit ** 2 Index .38418 .12615 3050.3 .73848E-02 3 Normalizat .72511 .12013E-06 .26132E-03 .62856E-03 4 Prefactor 1.1548 .11698E-06 .20494E-03 .14590E-03 ERR DEF= .500 START SIMPLEX MINIMIZATION. CONVERGENCE WHEN EDM .LT. .20E-04 SIMPLEX MINIMIZATION HAS CONVERGED. FCN= 7130.390 FROM SIMPLEX STATUS=PROGRESS 482 CALLS 1471 TOTAL EDM= .11E-04 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .66613E-09 .30809E-08 .23283E-09** at limit ** 2 Index 9.5596 .12615 .10090E-02 .73848E-02 3 Normalizat .72511 .12013E-06 .25580E-12 .62856E-03 4 Prefactor 1.1548 .11698E-06 .31370E-10 .14590E-03 ERR DEF= .500 MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MIGRAD TERMINATED WITHOUT CONVERGENCE. FCN= 7130.390 FROM MIGRAD STATUS=FAILED 65 CALLS 1536 TOTAL EDM= .31E-03 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .66613E-09 .0000 .87740 ** at limit ** 2 Index 9.5596 8.4411 3050.3 -.15016E-07 3 Normalizat .72511 .17192E-04 .10453E-04 11.414 4 Prefactor 1.1548 .16632E-04 .13691E-04 7.3714 ERR DEF= .500 Final values: Prefactor = 6.66134e-10 Index = 9.55963 Normalizat = 0.725111 Prefactor = 1.15478 ********** ** 18 **HESSE ********** FCN= 7130.390 FROM HESSE STATUS=NOT POSDEF 31 CALLS 1567 TOTAL EDM= .31E-03 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .66613E-09 .0000 .87740 -.18400E+07 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 9.5596 8.4411 3050.3 -.63969E+10 3 Normalizat .72511 .17192E-04 .77355E-05 -32.445 4 Prefactor 1.1548 .16632E-04 .13691E-04 -57.426 ERR DEF= .500 Minuit fit quality: 2 estimated distance: 0.000309956 Minuit parameter uncertainties: 1 1.78788e-12 2 22.4368 3 1.71923e-05 4 1.66319e-05 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 1 logL (Free Index) = 7130.39013787 delta logL = 0.851616611926 Extracting fit parameters... 4FGL J2321.5-1619 Spectrum: PowerLaw 351 Prefactor: 6.661e-10 1.788e-12 0.000e+00 1.000e+06 ( 1.000e-14) 352 Index: 9.560e+00 2.244e+01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 3.503e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 511 Prefactor: 1.155e+00 1.663e-05 0.000e+00 1.000e+01 ( 1.000e+00) 512 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 513 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 510 Normalization: 7.251e-01 1.719e-05 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.70 Ra Dec: 350.385 -16.318 Photon Index (Free Index): 9.56 +/- 22.44 Photon Flux (Free Index): 4.65e-08 +/- 3.49e-06 Energy Flux (Free Index): 5.23e-06 +/- 3.93e-04 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/32121334/cmap_HighResolution_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.83e-03', comment='SUCCESS', energy_flux2='5.23e-06', dlogl='8.52e-01', photon_flux2='4.65e-08', job_status='DONE', time_completed='2026-07-17 22:33:00.342864', photon_index_error2='22.44', photon_index2='9.56', ts='0.00', fit_tolerance='1e-08', GAL='1.15', photon_index_error='0.00', photon_flux_upper_limit='3.83e-08', energy_flux_error2='3.93e-04', EG='0.73', time_epoch_completed='1784352780.34', return_code='0', job_id='32121334', GAL2='1.15', EG2='0.73', return_code2='1', photon_flux_error2='3.49e-06', ts2='1.70', photon_index='1.83' WHERE bin_id='2175' AND source_name='4FGL J2321.5-1619' AND cadence='daily'; Database successfully updated. Analysis Complete. Fri Jul 17 22:33:00 PDT 2026 number of points = 7626 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2321.5-1619_daily_bin2175 RA = 350.385, Dec = -16.3176 tmin = 803088001, tmax = 803347201 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='32121607', job_status='RUN', time_executed='2026-07-17 22:32:04.772271', time_epoch_executed='1784352724.77' WHERE source_name='4FGL J2321.5-1619' and cadence='daily' and bin_id='2175' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/32121607 Creating custom pfile directory: /lscratch/kocevski/32121607/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=803088001.0 && nMetStart<803347201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=803088001.0 && nMetStart<803347201.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/32121607/ft1_4FGL_J2321.5-1619_daily_bin2175.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=803088001.0 && nMetStart<803347201.0' /Data/Flight/Level1/LPA Retrieving 47 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/32121607/ft1_4FGL_J2321.5-1619_daily_bin2175.fits outfile=/lscratch/kocevski/32121607/ft1_filteredMKT_4FGL_J2321.5-1619_daily_bin2175.fits ra=350.385 dec=-16.3176 rad=12.0 tmin=803088001.0 tmax=803347201.0 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 2.21 user 1.66 sys 0.16 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.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/32121607/ft1_filteredMKT_4FGL_J2321.5-1619_daily_bin2175.fits evtable="EVENTS" outfile="/lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.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 0.21 sys 0.12 Number of photons that the gtmktime cut: 647 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits" evtable="EVENTS" scfile=/lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits sctable="SC_DATA" outfile=/lscratch/kocevski/32121607/ltcube_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.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/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits .....................! real 9.37 user 8.67 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits evtable="EVENTS" scfile=/lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits sctable="SC_DATA" expcube=/lscratch/kocevski/32121607/ltcube_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.fits outfile=/lscratch/kocevski/32121607/expmap_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.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/32121607/ltcube_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.fits .....................! real 72.02 user 67.33 sys 3.99 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 159 point sources and 0 extended sources Setting source of interest to: 4FGL J2321.5-1619 @ 350.385 -16.3176 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits scfile=/lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits outfile=/lscratch/kocevski/32121607/cmap_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.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=350.385 yref=-16.3176 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 0.22 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits scfile=/lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits outfile=/lscratch/kocevski/32121607/cmap_HighResolution_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.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=350.385 yref=-16.3176 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 0.74 user 0.23 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits evtable="EVENTS" scfile=/lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/32121607/Model_4FGL_J2321.5-1619_daily_bin2175.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/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits.....................! real 23.72 user 22.40 sys 0.83 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits', '/lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits', expMap='/lscratch/kocevski/32121607/expmap_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.fits', expCube='/lscratch/kocevski/32121607/ltcube_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32121607/Model_4FGL_J2321.5-1619_daily_bin2175.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2321.5-1619' 4FGL J2321.5-1619 Spectrum: PowerLaw 351 Prefactor: 2.964e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 352 Index: 1.829e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 3.503e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/32121607/ft1_filtered_4FGL_J2321.5-1619_daily_bin2175.fits Spacecraft file(s): /lscratch/kocevski/32121607/ft2_4FGL_J2321.5-1619_daily_bin2175.fits Exposure map: /lscratch/kocevski/32121607/expmap_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.fits Exposure cube: /lscratch/kocevski/32121607/ltcube_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32121607/Model_4FGL_J2321.5-1619_daily_bin2175.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) = 7131.27161816 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7131.24204053 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 2.0852 1.0000 .0000 .10000E+07 2 'norm ' .57740 1.0000 .0000 .10000E+07 3 'Prefactor ' 13.171 1.0000 .0000 .10000E+07 4 'norm ' .11637E-04 1.0000 .0000 .10000E+07 5 'Prefactor ' .83927E-06 1.0000 .0000 .10000E+07 6 'Prefactor ' .20114E-04 1.0000 .0000 .10000E+07 7 'Prefactor ' .35909E-04 1.0000 .0000 .10000E+07 8 'Prefactor ' .28629E-02 1.0000 .0000 .10000E+07 9 'Prefactor ' .56724E-02 1.0000 .0000 .10000E+07 10 'Prefactor ' .18565E-05 1.0000 .0000 .10000E+07 11 'norm ' .69944E-08 1.0000 .0000 .10000E+07 12 'norm ' .19301E-04 1.0000 .0000 .10000E+07 13 'Prefactor ' 1.5378 1.0000 .0000 .10000E+07 14 'norm ' .10769E-07 1.0000 .0000 .10000E+07 15 'norm ' 5.5147 1.0000 .0000 .10000E+07 16 'Prefactor ' 6.9797 1.0000 .0000 .10000E+07 17 'Normalizat' .72510 1.0000 .10000E-01 10.000 18 'Prefactor ' 1.1548 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5140E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 7131.242 FROM MIGRAD STATUS=CONVERGED 159 CALLS 1115 TOTAL EDM= .69E-12 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 2.0753 1.1225 -.37739E-08 .11617E-02 2 norm .57758 .48997 .43526E-07 -.17931E-04 3 Prefactor 13.194 8.5664 .30990E-10 .19135E-03 4 norm .0000 4.5642 .13694E-06** at limit ** 5 Prefactor .0000 22.636 -.17767E-06** at limit ** 6 Prefactor .0000 5.2717 -.19506E-07** at limit ** 7 Prefactor .0000 4.9569 -.68925E-07** at limit ** 8 Prefactor .0000 12.471 -.21220E-06** at limit ** 9 Prefactor .0000 18.228 -.93664E-07** at limit ** 10 Prefactor .0000 1.7212 -.38580E-07** at limit ** 11 norm .0000 1.0351 -.82902E-07** at limit ** 12 norm .0000 2.8637 .11871E-06** at limit ** 13 Prefactor 1.5346 12.305 -.11955E-06 .52677E-04 14 norm .0000 .21283 -.16063E-07** at limit ** 15 norm 5.5142 2.9701 .12529E-07 .14423E-04 16 Prefactor 6.9879 5.2546 .22111E-07 -.45441E-05 17 Normalizat .72510 .17512 .16976E-05 -.80794E-06 18 Prefactor 1.1548 .16974 -.15663E-05 -.71950E-06 ERR DEF= .500 Final values: norm = 2.07525 norm = 0.577585 Prefactor = 13.1936 norm = 0 Prefactor = 0 Prefactor = 0 Prefactor = 0 Prefactor = 0 Prefactor = 0 Prefactor = 0 norm = 0 norm = 0 Prefactor = 1.53458 norm = 0 norm = 5.51419 Prefactor = 6.9879 Normalizat = 0.725105 Prefactor = 1.15479 ********** ** 18 **HESSE ********** FCN= 7131.242 FROM HESSE STATUS=OK 284 CALLS 1399 TOTAL EDM= .14E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 2.0753 36.991 .71474E-03 -1.5679 2 norm .57758 .49767 .71278E-03 -1.5693 3 Prefactor 13.194 9.6987 .27574E-03 -1.5635 4 norm .0000 .42605 .27105E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .0000 22.513 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .0000 5.2517 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .0000 4.9538 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .0000 12.470 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .0000 18.215 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .0000 1.7221 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .0000 1.0363 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm .0000 2.8174 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 1.5346 12.335 .85971E-03 -1.5683 14 norm .0000 .20872 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm 5.5142 3.0005 .42761E-03 -1.5661 16 Prefactor 6.9879 5.2588 .37950E-03 -1.5655 17 Normalizat .72510 .15190 .42625E-01 -1.0291 18 Prefactor 1.1548 .14691 .35798E-01 -.87734 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.43386e-08 Minuit parameter uncertainties: 1 17.5234 2 0.497666 3 9.6987 4 2.49658e-08 5 9.51979e-06 6 6.49279e-07 7 2.24966e-06 8 4.22679e-06 9 1.4962e-05 10 2.4258e-08 11 1.88569e-07 12 1.05502e-06 13 8.70143 14 3.32273e-08 15 3.00054 16 5.25878 17 0.151993 18 0.146964 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 7131.24175449 Extracting fit parameters... 4FGL J2321.5-1619 Spectrum: PowerLaw 351 Prefactor: 0.000e+00 1.496e-05 0.000e+00 1.000e+06 ( 1.000e-14) 352 Index: 1.829e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 353 Scale: 3.503e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 511 Prefactor: 1.155e+00 1.470e-01 0.000e+00 1.000e+01 ( 1.000e+00) 512 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 513 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 510 Normalization: 7.251e-01 1.520e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.00 Ra Dec: 350.385 -16.318 Photon Flux Upper Limit: 3.82527909981e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00282637870715 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32121607/likelihoodResults_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.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) = 7131.26862337 delta logL = -0.0268688807537 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 1 logL (Free Index) = 7130.25124042 delta logL = 0.990514069421 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .33307E-09 1.0000 .0000 .10000E+07 2 'Index ' 9.7832 1.0000 .0000 10.000 3 'Normalizat' .64813 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.2064 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5140E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MIGRAD TERMINATED WITHOUT CONVERGENCE. FCN= 7131.242 FROM MIGRAD STATUS=FAILED 185 CALLS 989 TOTAL EDM= .24E-06 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .72164E-09 .30809E-08 .43870 ** at limit ** 2 Index .38418 .12615 3050.3 .73848E-02 3 Normalizat .72511 .12013E-06 .26132E-03 .62856E-03 4 Prefactor 1.1548 .11698E-06 .20494E-03 .14590E-03 ERR DEF= .500 START SIMPLEX MINIMIZATION. CONVERGENCE WHEN EDM .LT. .20E-04 SIMPLEX MINIMIZATION HAS CONVERGED. FCN= 7130.390 FROM SIMPLEX STATUS=PROGRESS 482 CALLS 1471 TOTAL EDM= .11E-04 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .66613E-09 .30809E-08 .23283E-09** at limit ** 2 Index 9.5596 .12615 .10090E-02 .73848E-02 3 Normalizat .72511 .12013E-06 .25580E-12 .62856E-03 4 Prefactor 1.1548 .11698E-06 .31370E-10 .14590E-03 ERR DEF= .500 MACHINE ACCURACY LIMITS FURTHER IMPROVEMENT. MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MIGRAD TERMINATED WITHOUT CONVERGENCE. FCN= 7130.390 FROM MIGRAD STATUS=FAILED 65 CALLS 1536 TOTAL EDM= .31E-03 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .66613E-09 .0000 .87740 ** at limit ** 2 Index 9.5596 8.4411 3050.3 -.15016E-07 3 Normalizat .72511 .17192E-04 .10453E-04 11.414 4 Prefactor 1.1548 .16632E-04 .13691E-04 7.3714 ERR DEF= .500 Final values: Prefactor = 6.66134e-10 Index = 9.55963 Normalizat = 0.725111 Prefactor = 1.15478 ********** ** 18 **HESSE ********** FCN= 7130.390 FROM HESSE STATUS=NOT POSDEF 31 CALLS 1567 TOTAL EDM= .31E-03 STRATEGY= 1 ERR MATRIX NOT POS-DEF EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .66613E-09 .0000 .87740 -.18400E+07 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 9.5596 8.4411 3050.3 -.63969E+10 3 Normalizat .72511 .17192E-04 .77355E-05 -32.445 4 Prefactor 1.1548 .16632E-04 .13691E-04 -57.426 ERR DEF= .500 Minuit fit quality: 2 estimated distance: 0.000309956 Minuit parameter uncertainties: 1 1.78788e-12 2 22.4368 3 1.71923e-05 4 1.66319e-05 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 1 logL (Free Index) = 7130.39013787 delta logL = 0.851616611926 Extracting fit parameters... 4FGL J2321.5-1619 Spectrum: PowerLaw 351 Prefactor: 6.661e-10 1.788e-12 0.000e+00 1.000e+06 ( 1.000e-14) 352 Index: 9.560e+00 2.244e+01 0.000e+00 1.000e+01 (-1.000e+00) 353 Scale: 3.503e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 511 Prefactor: 1.155e+00 1.663e-05 0.000e+00 1.000e+01 ( 1.000e+00) 512 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 513 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 510 Normalization: 7.251e-01 1.719e-05 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.70 Ra Dec: 350.385 -16.318 Photon Index (Free Index): 9.56 +/- 22.44 Photon Flux (Free Index): 4.65e-08 +/- 3.49e-06 Energy Flux (Free Index): 5.23e-06 +/- 3.93e-04 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/32121607/cmap_HighResolution_803088001_803347201_4FGL_J2321.5-1619_daily_bin2175.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.83e-03', comment='SUCCESS', energy_flux2='5.23e-06', dlogl='8.52e-01', photon_flux2='4.65e-08', job_status='DONE', time_completed='2026-07-17 22:37:57.231774', photon_index_error2='22.44', photon_index2='9.56', ts='0.00', fit_tolerance='1e-08', GAL='1.15', photon_index_error='0.00', photon_flux_upper_limit='3.83e-08', energy_flux_error2='3.93e-04', EG='0.73', time_epoch_completed='1784353077.23', return_code='0', job_id='32121607', GAL2='1.15', EG2='0.73', return_code2='1', photon_flux_error2='3.49e-06', ts2='1.70', photon_index='1.83' WHERE bin_id='2175' AND source_name='4FGL J2321.5-1619' AND cadence='daily'; Database successfully updated. Analysis Complete. Fri Jul 17 22:37:57 PDT 2026