********** ** 18 **HESSE ********** FCN= 13707.36 FROM HESSE STATUS=OK 432 CALLS 2309 TOTAL EDM= .50E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 35.832 49.907 .16753E-03 -1.5588 2 Prefactor 16.394 14.561 .24729E-03 -1.5627 3 Prefactor 35.516 18.811 .16775E-03 -1.5589 4 Prefactor .0000 1.6128 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .55511E-10 17.683 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm .0000 1.6551 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm 8.7243 3.0242 .33907E-03 -1.5649 8 Prefactor .80719 4.4717 .52037E-03 -1.5690 9 Prefactor 3.3929 7.6733 .54655E-03 -1.5671 10 Prefactor 4.3146 4.7019 .48043E-03 -1.5666 11 norm .0000 1.3141 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 5.3802 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 40.174 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 21.244 4.1808 .21689E-03 -1.5616 15 norm .85407 .25547 .48994E-03 -1.5689 16 Prefactor 35.480 20.208 .16783E-03 -1.5589 17 Prefactor .32089 2.2381 .57944E-02 -1.5697 18 Prefactor .0000 2.1212 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor 13.510 26.618 .27372E-03 -1.5634 20 Prefactor 16.433 13.963 .24759E-03 -1.5627 21 Prefactor .10171 10.834 .99797E-02 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Normalizat .81225 .12762 .68383E-01 -.99616 23 Prefactor .99698 .83239E-01 .46234E-01 -.92830 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 5.04312e-07 Minuit parameter uncertainties: 1 49.9072 2 14.5614 3 18.8113 4 1.02034e-06 5 6.01878e-05 6 2.00003e-06 7 3.02423 8 3.79973 9 7.6733 10 4.70195 11 7.3143e-07 12 3.41482e-06 13 2.75136e-05 14 4.18084 15 0.255465 16 20.2076 17 1.69489 18 1.36307e-06 19 26.6179 20 13.9627 21 2.09944 22 0.127669 23 0.0832497 /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) = 13707.3601478 Extracting fit parameters... 4FGL J2141.8-3727 Spectrum: PowerLaw 267 Prefactor: 8.072e-01 3.800e+00 0.000e+00 1.000e+06 ( 1.000e-12) 268 Index: 2.623e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 269 Scale: 5.479e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 546 Prefactor: 9.970e-01 8.325e-02 0.000e+00 1.000e+01 ( 1.000e+00) 547 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 548 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 545 Normalization: 8.123e-01 1.277e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.05 Ra Dec: 325.462 -37.455 Photon Flux Upper Limit: 5.61145804877e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00439755565307 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/33478612/likelihoodResults_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.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) = 13706.5051555 delta logL = 0.854992334302 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13706.5051119 delta logL = 0.855035985447 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.7863 1.0000 .0000 .10000E+07 2 'Index ' 1.3910 1.0000 .0000 10.000 3 'Normalizat' .81782 1.0000 .10000E-01 10.000 4 'Prefactor ' .99192 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5490E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 13706.51 FROM MIGRAD STATUS=CONVERGED 57 CALLS 235 TOTAL EDM= .35E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.7883 1.9550 .78248E-03 .21968E-02 2 Index 1.3913 .35122 .22982 -.18152E-03 3 Normalizat .81782 .11740 .68156E-01 .69369E-04 4 Prefactor .99192 .81409E-01 .46166E-01 -.14660E-05 ERR DEF= .500 Final values: Prefactor = 1.78833 Index = 1.39125 Normalizat = 0.817817 Prefactor = 0.991922 ********** ** 18 **HESSE ********** FCN= 13706.51 FROM HESSE STATUS=OK 33 CALLS 268 TOTAL EDM= .16E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.7883 2.7041 .16566E-04 -1.5681 2 Index 1.3913 .59241 .11529E-01 -.80633 3 Normalizat .81782 .13398 .30155E-03 -.99411 4 Prefactor .99192 .93048E-01 .19046E-03 -.92999 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.63114e-08 Minuit parameter uncertainties: 1 2.70409 2 0.595338 3 0.13403 4 0.0930632 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) = 13706.5051116 delta logL = 0.855036224886 Extracting fit parameters... 4FGL J2141.8-3727 Spectrum: PowerLaw 267 Prefactor: 1.788e+00 2.704e+00 0.000e+00 1.000e+06 ( 1.000e-12) 268 Index: 1.391e+00 5.953e-01 0.000e+00 1.000e+01 (-1.000e+00) 269 Scale: 5.479e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 546 Prefactor: 9.919e-01 9.306e-02 0.000e+00 1.000e+01 ( 1.000e+00) 547 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 548 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 545 Normalization: 8.178e-01 1.340e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.76 Ra Dec: 325.462 -37.455 Photon Index (Free Index): 1.39 +/- 0.60 Photon Flux (Free Index): 4.55e-09 +/- 6.23e-09 Energy Flux (Free Index): 2.07e-05 +/- 3.22e-05 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/33478612/cmap_HighResolution_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.40e-03', comment='SUCCESS', energy_flux2='2.07e-05', dlogl='8.55e-01', photon_flux2='4.55e-09', job_status='DONE', time_completed='2026-07-28 18:41:59.414365', photon_index_error2='0.60', photon_index2='1.39', ts='0.05', fit_tolerance='1e-08', GAL='1.00', photon_index_error='0.00', photon_flux_upper_limit='5.61e-08', energy_flux_error2='3.22e-05', EG='0.81', time_epoch_completed='1785289319.41', return_code='0', job_id='33478612', GAL2='0.99', EG2='0.82', return_code2='0', photon_flux_error2='6.23e-09', ts2='1.76', photon_index='2.62' WHERE bin_id='938' AND source_name='4FGL J2141.8-3727' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 28 18:41:59 PDT 2026 number of points = 17264 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2141.8-3727_weekly_bin938 RA = 325.462, Dec = -37.4545 tmin = 806284801, tmax = 806889601 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='33478811', job_status='RUN', time_executed='2026-07-28 18:41:34.633906', time_epoch_executed='1785289294.63' WHERE source_name='4FGL J2141.8-3727' and cadence='weekly' and bin_id='938' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/33478811 Creating custom pfile directory: /lscratch/kocevski/33478811/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=806284801.0 && nMetStart<806889601.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=806284801.0 && nMetStart<806889601.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/33478811/ft1_4FGL_J2141.8-3727_weekly_bin938.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=806284801.0 && nMetStart<806889601.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/33478811/ft1_4FGL_J2141.8-3727_weekly_bin938.fits outfile=/lscratch/kocevski/33478811/ft1_filteredMKT_4FGL_J2141.8-3727_weekly_bin938.fits ra=325.462 dec=-37.4545 rad=12.0 tmin=806284801.0 tmax=806889601.0 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 6.14 user 5.16 sys 0.27 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.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/33478811/ft1_filteredMKT_4FGL_J2141.8-3727_weekly_bin938.fits evtable="EVENTS" outfile="/lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.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 1.00 user 0.22 sys 0.14 Number of photons that the gtmktime cut: 1279 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits" evtable="EVENTS" scfile=/lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits sctable="SC_DATA" outfile=/lscratch/kocevski/33478811/ltcube_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.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/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits .....................! real 19.84 user 18.64 sys 0.27 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits evtable="EVENTS" scfile=/lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits sctable="SC_DATA" expcube=/lscratch/kocevski/33478811/ltcube_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.fits outfile=/lscratch/kocevski/33478811/expmap_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.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/33478811/ltcube_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.fits .....................! real 73.04 user 67.68 sys 4.18 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 168 point sources and 0 extended sources Setting source of interest to: 4FGL J2141.8-3727 @ 325.462 -37.4545 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits scfile=/lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits outfile=/lscratch/kocevski/33478811/cmap_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.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=325.462 yref=-37.4545 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 1.12 user 0.25 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits scfile=/lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits outfile=/lscratch/kocevski/33478811/cmap_HighResolution_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.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=325.462 yref=-37.4545 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 1.10 user 0.25 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits evtable="EVENTS" scfile=/lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/33478811/Model_4FGL_J2141.8-3727_weekly_bin938.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/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits.....................! real 40.77 user 38.33 sys 1.31 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits', '/lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits', expMap='/lscratch/kocevski/33478811/expmap_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.fits', expCube='/lscratch/kocevski/33478811/ltcube_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/33478811/Model_4FGL_J2141.8-3727_weekly_bin938.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2141.8-3727' 4FGL J2141.8-3727 Spectrum: PowerLaw 267 Prefactor: 3.345e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 268 Index: 2.623e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 269 Scale: 5.479e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/33478811/ft1_filtered_4FGL_J2141.8-3727_weekly_bin938.fits Spacecraft file(s): /lscratch/kocevski/33478811/ft2_4FGL_J2141.8-3727_weekly_bin938.fits Exposure map: /lscratch/kocevski/33478811/expmap_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.fits Exposure cube: /lscratch/kocevski/33478811/ltcube_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/33478811/Model_4FGL_J2141.8-3727_weekly_bin938.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) = 13707.3703372 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13707.3612095 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 35.637 1.0000 .0000 .10000E+07 2 'Prefactor ' 16.368 1.0000 .0000 .10000E+07 3 'Prefactor ' 35.546 1.0000 .0000 .10000E+07 4 'Prefactor ' .25652E-06 1.0000 .0000 .10000E+07 5 'Prefactor ' .15075E-03 1.0000 .0000 .10000E+07 6 'norm ' .36617E-04 1.0000 .0000 .10000E+07 7 'norm ' 8.7268 1.0000 .0000 .10000E+07 8 'Prefactor ' .81210 1.0000 .0000 .10000E+07 9 'Prefactor ' 3.4223 1.0000 .0000 .10000E+07 10 'Prefactor ' 4.3903 1.0000 .0000 .10000E+07 11 'norm ' .79859E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .11372E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' .34057E-02 1.0000 .0000 .10000E+07 14 'norm ' 21.270 1.0000 .0000 .10000E+07 15 'norm ' .85399 1.0000 .0000 .10000E+07 16 'Prefactor ' 35.511 1.0000 .0000 .10000E+07 17 'Prefactor ' .33008 1.0000 .0000 .10000E+07 18 'Prefactor ' .47957E-03 1.0000 .0000 .10000E+07 19 'Prefactor ' 13.366 1.0000 .0000 .10000E+07 20 'Prefactor ' 16.329 1.0000 .0000 .10000E+07 21 'Prefactor ' .61979 1.0000 .0000 .10000E+07 22 'Normalizat' .81105 1.0000 .10000E-01 10.000 23 'Prefactor ' .99733 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5490E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 13707.36 FROM MIGRAD STATUS=CONVERGED 159 CALLS 1877 TOTAL EDM= .69E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.6% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 35.832 14.145 -.15641E-06 .16897E-01 2 Prefactor 16.394 2.7748 .93300E-09 .28691E-01 3 Prefactor 35.516 15.464 -.21347E-07 -.17030E-01 4 Prefactor .0000 1.6148 -.17796E-07** at limit ** 5 Prefactor .55511E-10 17.685 .44766E-07** at limit ** 6 norm .0000 1.6520 .47248E-07** at limit ** 7 norm 8.7243 3.0151 -.27598E-07 -.97146E-03 8 Prefactor .80719 4.3783 -.11207E-06 .67515E-06 9 Prefactor 3.3929 7.6542 .43606E-07 .19445E-03 10 Prefactor 4.3146 4.6621 .18248E-07 .26449E-03 11 norm .0000 1.3145 .27839E-07** at limit ** 12 Prefactor .0000 5.3627 -.86641E-08** at limit ** 13 Prefactor .0000 40.141 .73168E-07** at limit ** 14 norm 21.244 4.1875 .23790E-08 .45061E-03 15 norm .85407 .25535 .16718E-08 -.54935E-03 16 Prefactor 35.480 11.285 -.20243E-07 .20908E-01 17 Prefactor .32089 7.3981 .41369E-07 .16576E-03 18 Prefactor .0000 2.1538 -.91230E-08** at limit ** 19 Prefactor 13.510 7.2526 -.12396E-06 .23989E-01 20 Prefactor 16.433 13.839 .43278E-07 -.94410E-03 21 Prefactor .10171 418.48 .27288E-05** at limit ** 22 Normalizat .81225 .14326 -.52006E-06 -.12067E-04 23 Prefactor .99698 .94297E-01 .23427E-06 -.24067E-04 ERR DEF= .500 Final values: Prefactor = 35.8319 Prefactor = 16.3941 Prefactor = 35.5163 Prefactor = 0 Prefactor = 5.55112e-11 norm = 0 norm = 8.72434 Prefactor = 0.807191 Prefactor = 3.39294 Prefactor = 4.31465 norm = 0 Prefactor = 0 Prefactor = 0 norm = 21.2438 norm = 0.854068 Prefactor = 35.4801 Prefactor = 0.320888 Prefactor = 0 Prefactor = 13.5099 Prefactor = 16.4332 Prefactor = 0.101707 Normalizat = 0.812252 Prefactor = 0.996978 ********** ** 18 **HESSE ********** FCN= 13707.36 FROM HESSE STATUS=OK 432 CALLS 2309 TOTAL EDM= .50E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 35.832 49.907 .16753E-03 -1.5588 2 Prefactor 16.394 14.561 .24729E-03 -1.5627 3 Prefactor 35.516 18.811 .16775E-03 -1.5589 4 Prefactor .0000 1.6128 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 Prefactor .55511E-10 17.683 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 norm .0000 1.6551 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm 8.7243 3.0242 .33907E-03 -1.5649 8 Prefactor .80719 4.4717 .52037E-03 -1.5690 9 Prefactor 3.3929 7.6733 .54655E-03 -1.5671 10 Prefactor 4.3146 4.7019 .48043E-03 -1.5666 11 norm .0000 1.3141 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 5.3802 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .0000 40.174 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 norm 21.244 4.1808 .21689E-03 -1.5616 15 norm .85407 .25547 .48994E-03 -1.5689 16 Prefactor 35.480 20.208 .16783E-03 -1.5589 17 Prefactor .32089 2.2381 .57944E-02 -1.5697 18 Prefactor .0000 2.1212 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor 13.510 26.618 .27372E-03 -1.5634 20 Prefactor 16.433 13.963 .24759E-03 -1.5627 21 Prefactor .10171 10.834 .99797E-02 -1.5702 WARNING - - ABOVE PARAMETER IS AT LIMIT. 22 Normalizat .81225 .12762 .68383E-01 -.99616 23 Prefactor .99698 .83239E-01 .46234E-01 -.92830 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 5.04312e-07 Minuit parameter uncertainties: 1 49.9072 2 14.5614 3 18.8113 4 1.02034e-06 5 6.01878e-05 6 2.00003e-06 7 3.02423 8 3.79973 9 7.6733 10 4.70195 11 7.3143e-07 12 3.41482e-06 13 2.75136e-05 14 4.18084 15 0.255465 16 20.2076 17 1.69489 18 1.36307e-06 19 26.6179 20 13.9627 21 2.09944 22 0.127669 23 0.0832497 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13707.3601478 Extracting fit parameters... 4FGL J2141.8-3727 Spectrum: PowerLaw 267 Prefactor: 8.072e-01 3.800e+00 0.000e+00 1.000e+06 ( 1.000e-12) 268 Index: 2.623e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 269 Scale: 5.479e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 546 Prefactor: 9.970e-01 8.325e-02 0.000e+00 1.000e+01 ( 1.000e+00) 547 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 548 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 545 Normalization: 8.123e-01 1.277e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.05 Ra Dec: 325.462 -37.455 Photon Flux Upper Limit: 5.61145804877e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00439755565307 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/33478811/likelihoodResults_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.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) = 13706.5051555 delta logL = 0.854992334302 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13706.5051119 delta logL = 0.855035985447 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 1.7863 1.0000 .0000 .10000E+07 2 'Index ' 1.3910 1.0000 .0000 10.000 3 'Normalizat' .81782 1.0000 .10000E-01 10.000 4 'Prefactor ' .99192 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .5490E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. FCN= 13706.51 FROM MIGRAD STATUS=CONVERGED 57 CALLS 235 TOTAL EDM= .35E-09 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 1.7883 1.9550 .78248E-03 .21968E-02 2 Index 1.3913 .35122 .22982 -.18152E-03 3 Normalizat .81782 .11740 .68156E-01 .69369E-04 4 Prefactor .99192 .81409E-01 .46166E-01 -.14660E-05 ERR DEF= .500 Final values: Prefactor = 1.78833 Index = 1.39125 Normalizat = 0.817817 Prefactor = 0.991922 ********** ** 18 **HESSE ********** FCN= 13706.51 FROM HESSE STATUS=OK 33 CALLS 268 TOTAL EDM= .16E-07 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 1.7883 2.7041 .16566E-04 -1.5681 2 Index 1.3913 .59241 .11529E-01 -.80633 3 Normalizat .81782 .13398 .30155E-03 -.99411 4 Prefactor .99192 .93048E-01 .19046E-03 -.92999 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.63114e-08 Minuit parameter uncertainties: 1 2.70409 2 0.595338 3 0.13403 4 0.0930632 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) = 13706.5051116 delta logL = 0.855036224886 Extracting fit parameters... 4FGL J2141.8-3727 Spectrum: PowerLaw 267 Prefactor: 1.788e+00 2.704e+00 0.000e+00 1.000e+06 ( 1.000e-12) 268 Index: 1.391e+00 5.953e-01 0.000e+00 1.000e+01 (-1.000e+00) 269 Scale: 5.479e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 546 Prefactor: 9.919e-01 9.306e-02 0.000e+00 1.000e+01 ( 1.000e+00) 547 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 548 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 545 Normalization: 8.178e-01 1.340e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 1.76 Ra Dec: 325.462 -37.455 Photon Index (Free Index): 1.39 +/- 0.60 Photon Flux (Free Index): 4.55e-09 +/- 6.23e-09 Energy Flux (Free Index): 2.07e-05 +/- 3.22e-05 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/33478811/cmap_HighResolution_806284801_806889601_4FGL_J2141.8-3727_weekly_bin938.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.40e-03', comment='SUCCESS', energy_flux2='2.07e-05', dlogl='8.55e-01', photon_flux2='4.55e-09', job_status='DONE', time_completed='2026-07-28 18:53:19.332231', photon_index_error2='0.60', photon_index2='1.39', ts='0.05', fit_tolerance='1e-08', GAL='1.00', photon_index_error='0.00', photon_flux_upper_limit='5.61e-08', energy_flux_error2='3.22e-05', EG='0.81', time_epoch_completed='1785289999.33', return_code='0', job_id='33478811', GAL2='0.99', EG2='0.82', return_code2='0', photon_flux_error2='6.23e-09', ts2='1.76', photon_index='2.62' WHERE bin_id='938' AND source_name='4FGL J2141.8-3727' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 28 18:53:19 PDT 2026