********** ** 18 **HESSE ********** FCN= 9517.218 FROM HESSE STATUS=OK 530 CALLS 2793 TOTAL EDM= .19E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 3.6988 5.0521 .52487E-03 -1.5669 2 norm .50107 .32808 .78602E-03 -1.5694 3 Prefactor .86098E-06 6.6574 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm 30.301 10.180 .18165E-03 -1.5598 5 norm .66508 .68676 .63560E-03 -1.5692 6 Prefactor .72164E-08 1.1092 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .16220E-06 12.874 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .12720E-05 2.6625 .53477E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .24847E-06 11.055 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .89845E-06 29.102 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 5.1970 2.2624 .44069E-03 -1.5662 12 Prefactor .11102E-09 1.1461 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 norm 10.280 2.4695 .31227E-03 -1.5644 14 Prefactor 14.505 14.850 .26273E-03 -1.5632 15 norm .33352 1.5283 .65964E-02 -1.5696 16 norm .11102E-09 1.1232 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor 2.9926 4.3984 .58683E-03 -1.5673 18 Prefactor .93819E-06 32.561 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .11657E-08 1.4848 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .88845 68.585 .45925E-03 -1.5689 21 norm 15.875 1.6665 .25111E-03 -1.5628 22 norm 1.6558 1.6207 .81992E-03 -1.5682 23 norm 6.9286 8.7450 .38086E-03 -1.5655 24 Prefactor .33767E-06 5.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 25 Normalizat .69590 .15815 .71782E-01 -1.0406 26 Prefactor 1.0650 .13253 .39103E-01 -.90593 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.8792e-06 Minuit parameter uncertainties: 1 5.05211 2 0.32808 3 0.00478828 4 10.1798 5 0.686759 6 0.000179176 7 0.00289001 8 0.00368059 9 0.00331462 10 0.0102268 11 2.26245 12 2.13138e-05 13 2.4695 14 14.8501 15 1.42791 16 2.24746e-05 17 4.39838 18 0.011054 19 8.24528e-05 20 15.6123 21 1.6665 22 1.62067 23 8.745 24 0.00274775 25 0.158249 26 0.132569 /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) number of points = 7412 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0521.8-3848_daily_bin2170 RA = 80.4718, Dec = -38.8066 tmin = 801792001, tmax = 802051201 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='27622734', job_status='RUN', time_executed='2026-06-02 04:34:56.110073', time_epoch_executed='1780400096.11' WHERE source_name='4FGL J0521.8-3848' and cadence='daily' and bin_id='2170' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/27622734 Creating custom pfile directory: /lscratch/kocevski/27622734/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=801792001.0 && nMetStart<802051201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=801792001.0 && nMetStart<802051201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/27622734/ft1_4FGL_J0521.8-3848_daily_bin2170.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=801792001.0 && nMetStart<802051201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/27622734/ft1_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622734/ft1_filteredMKT_4FGL_J0521.8-3848_daily_bin2170.fits ra=80.4718 dec=-38.8066 rad=12.0 tmin=801792001.0 tmax=802051201.0 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 2.40 user 1.87 sys 0.18 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.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/27622734/ft1_filteredMKT_4FGL_J0521.8-3848_daily_bin2170.fits evtable="EVENTS" outfile="/lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.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 0.67 user 0.20 sys 0.13 Number of photons that the gtmktime cut: 923 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits" evtable="EVENTS" scfile=/lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits sctable="SC_DATA" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). ********** ** 18 **HESSE ********** FCN= 9517.218 FROM HESSE STATUS=OK 530 CALLS 2793 TOTAL EDM= .19E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 3.6988 5.0521 .52487E-03 -1.5669 2 norm .50107 .32808 .78602E-03 -1.5694 3 Prefactor .86098E-06 6.6574 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm 30.301 10.180 .18165E-03 -1.5598 5 norm .66508 .68676 .63560E-03 -1.5692 6 Prefactor .72164E-08 1.1092 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .16220E-06 12.874 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .12720E-05 2.6625 .53477E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .24847E-06 11.055 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .89845E-06 29.102 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 5.1970 2.2624 .44069E-03 -1.5662 12 Prefactor .11102E-09 1.1461 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 norm 10.280 2.4695 .31227E-03 -1.5644 14 Prefactor 14.505 14.850 .26273E-03 -1.5632 15 norm .33352 1.5283 .65964E-02 -1.5696 16 norm .11102E-09 1.1232 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor 2.9926 4.3984 .58683E-03 -1.5673 18 Prefactor .93819E-06 32.561 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .11657E-08 1.4848 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .88845 68.585 .45925E-03 -1.5689 21 norm 15.875 1.6665 .25111E-03 -1.5628 22 norm 1.6558 1.6207 .81992E-03 -1.5682 23 norm 6.9286 8.7450 .38086E-03 -1.5655 24 Prefactor .33767E-06 5.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 25 Normalizat .69590 .15815 .71782E-01 -1.0406 26 Prefactor 1.0650 .13253 .39103E-01 -.90593 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.8792e-06 Minuit parameter uncertainties: 1 5.05211 2 0.32808 3 0.00478828 4 10.1798 5 0.686759 6 0.000179176 7 0.00289001 8 0.00368059 9 0.00331462 10 0.0102268 11 2.26245 12 2.13138e-05 13 2.4695 14 14.8501 15 1.42791 16 2.24746e-05 17 4.39838 18 0.011054 19 8.24528e-05 20 15.6123 21 1.6665 22 1.62067 23 8.745 24 0.00274775 25 0.158249 26 0.132569 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9517.21803118 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 1.110e-10 2.131e-05 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 2.594e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.326e-01 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.582e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 80.472 -38.807 Photon Flux Upper Limit: 5.33641055667e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00417481881162 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/27622027/likelihoodResults_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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): 102 logL (Free Index) = 9517.22030905 delta logL = -0.00227786812684 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9517.21803276 delta logL = -1.57805152412e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .63366E-06 1.0000 .0000 .10000E+07 2 'Index ' 1.3897 1.0000 .0000 10.000 3 'Normalizat' .69601 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6380E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM MIGRAD STATUS=CONVERGED 37 CALLS 237 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .80615 .42118E-03** at limit ** 2 Index 3.3201 1.4458 -.18740E-03 .0000 3 Normalizat .69590 1.0356 .15498E-04 -.29362E-03 4 Prefactor 1.0650 1.1757 -.23098E-04 -.19776E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.32008 Normalizat = 0.695896 Prefactor = 1.06501 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM HESSE STATUS=FAILED 9 CALLS 246 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .80615 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.2349 2.1663 -.18740E-03 -.34265 3 Normalizat .69590 1.0356 .15498E-04 -1.0406 4 Prefactor 1.0650 1.1757 -.23098E-04 -.90593 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 9.53348e-11 Minuit parameter uncertainties: 1 3.3715e-07 2 1.46958 3 1.06699 4 1.20616 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 9517.21803118 delta logL = -2.0008883439e-11 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 3.372e-07 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 3.320e+00 1.470e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.206e+00 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.067e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 80.472 -38.807 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/27622027/cmap_HighResolution_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.17e-03', job_status='DONE', photon_flux_upper_limit='5.34e-08', time_completed='2026-06-02 04:36:30.034880', job_id='27622027', GAL2='1.07', fit_tolerance='1e-08', EG2='0.70', EG='0.70', time_epoch_completed='1780400190.03', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='-2.00e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.59' WHERE bin_id='2170' AND source_name='4FGL J0521.8-3848' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jun 2 04:36:30 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9517.21803118 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 1.110e-10 2.131e-05 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 2.594e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.326e-01 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.582e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 80.472 -38.807 Photon Flux Upper Limit: 5.33641055667e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00417481881162 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/27622213/likelihoodResults_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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): 102 logL (Free Index) = 9517.22030905 delta logL = -0.00227786812684 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9517.21803276 delta logL = -1.57805152412e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .63366E-06 1.0000 .0000 .10000E+07 2 'Index ' 1.3897 1.0000 .0000 10.000 3 'Normalizat' .69601 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6380E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM MIGRAD STATUS=CONVERGED 37 CALLS 237 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .80615 .42118E-03** at limit ** 2 Index 3.3201 1.4458 -.18740E-03 .0000 3 Normalizat .69590 1.0356 .15498E-04 -.29362E-03 4 Prefactor 1.0650 1.1757 -.23098E-04 -.19776E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.32008 Normalizat = 0.695896 Prefactor = 1.06501 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM HESSE STATUS=FAILED 9 CALLS 246 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .80615 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.2349 2.1663 -.18740E-03 -.34265 3 Normalizat .69590 1.0356 .15498E-04 -1.0406 4 Prefactor 1.0650 1.1757 -.23098E-04 -.90593 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 9.53348e-11 Minuit parameter uncertainties: 1 3.3715e-07 2 1.46958 3 1.06699 4 1.20616 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 9517.21803118 delta logL = -2.0008883439e-11 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 3.372e-07 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 3.320e+00 1.470e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.206e+00 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.067e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 80.472 -38.807 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/27622213/cmap_HighResolution_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.17e-03', job_status='DONE', photon_flux_upper_limit='5.34e-08', time_completed='2026-06-02 04:36:37.433178', job_id='27622213', GAL2='1.07', fit_tolerance='1e-08', EG2='0.70', EG='0.70', time_epoch_completed='1780400197.43', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='-2.00e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.59' WHERE bin_id='2170' AND source_name='4FGL J0521.8-3848' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jun 2 04:36:37 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9517.21803118 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 1.110e-10 2.131e-05 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 2.594e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.326e-01 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.582e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 80.472 -38.807 Photon Flux Upper Limit: 5.33641055667e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00417481881162 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/27622148/likelihoodResults_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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): 102 logL (Free Index) = 9517.22030905 delta logL = -0.00227786812684 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9517.21803276 delta logL = -1.57805152412e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .63366E-06 1.0000 .0000 .10000E+07 2 'Index ' 1.3897 1.0000 .0000 10.000 3 'Normalizat' .69601 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6380E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM MIGRAD STATUS=CONVERGED 37 CALLS 237 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .80615 .42118E-03** at limit ** 2 Index 3.3201 1.4458 -.18740E-03 .0000 3 Normalizat .69590 1.0356 .15498E-04 -.29362E-03 4 Prefactor 1.0650 1.1757 -.23098E-04 -.19776E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.32008 Normalizat = 0.695896 Prefactor = 1.06501 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM HESSE STATUS=FAILED 9 CALLS 246 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .80615 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.2349 2.1663 -.18740E-03 -.34265 3 Normalizat .69590 1.0356 .15498E-04 -1.0406 4 Prefactor 1.0650 1.1757 -.23098E-04 -.90593 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 9.53348e-11 Minuit parameter uncertainties: 1 3.3715e-07 2 1.46958 3 1.06699 4 1.20616 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 9517.21803118 delta logL = -2.0008883439e-11 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 3.372e-07 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 3.320e+00 1.470e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.206e+00 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.067e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 80.472 -38.807 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/27622148/cmap_HighResolution_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.17e-03', job_status='DONE', photon_flux_upper_limit='5.34e-08', time_completed='2026-06-02 04:36:49.974306', job_id='27622148', GAL2='1.07', fit_tolerance='1e-08', EG2='0.70', EG='0.70', time_epoch_completed='1780400209.97', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='-2.00e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.59' WHERE bin_id='2170' AND source_name='4FGL J0521.8-3848' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jun 2 04:36:50 PDT 2026 number of points = 7412 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J0521.8-3848_daily_bin2170 RA = 80.4718, Dec = -38.8066 tmin = 801792001, tmax = 802051201 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='27622866', job_status='RUN', time_executed='2026-06-02 04:36:03.286297', time_epoch_executed='1780400163.29' WHERE source_name='4FGL J0521.8-3848' and cadence='daily' and bin_id='2170' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/27622866 Creating custom pfile directory: /lscratch/kocevski/27622866/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=801792001.0 && nMetStart<802051201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=801792001.0 && nMetStart<802051201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/27622866/ft1_4FGL_J0521.8-3848_daily_bin2170.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=801792001.0 && nMetStart<802051201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/27622866/ft1_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622866/ft1_filteredMKT_4FGL_J0521.8-3848_daily_bin2170.fits ra=80.4718 dec=-38.8066 rad=12.0 tmin=801792001.0 tmax=802051201.0 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 2.36 user 1.89 sys 0.19 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.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/27622866/ft1_filteredMKT_4FGL_J0521.8-3848_daily_bin2170.fits evtable="EVENTS" outfile="/lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.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 0.76 user 0.17 sys 0.14 Number of photons that the gtmktime cut: 923 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits" evtable="EVENTS" scfile=/lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits sctable="SC_DATA" outfile=/lscratch/kocevski/27622734/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits .....................! real 8.90 user 7.74 sys 0.26 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits evtable="EVENTS" scfile=/lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits sctable="SC_DATA" expcube=/lscratch/kocevski/27622734/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622734/expmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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/27622734/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits .....................! real 67.99 user 63.04 sys 4.11 Generating the xml model: radLim = 0.001 maxRad = 12 normsOnly = True freeVariableSources = True Fixing all sources to their catalog values, except variable sources Creating file and adding sources from 4FGL Added 194 point sources and 0 extended sources Setting source of interest to: 4FGL J0521.8-3848 @ 80.4718 -38.8066 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits scfile=/lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622734/cmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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=80.4718 yref=-38.8066 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 0.22 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits scfile=/lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622734/cmap_HighResolution_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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=80.4718 yref=-38.8066 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 0.89 user 0.24 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits evtable="EVENTS" scfile=/lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/27622734/Model_4FGL_J0521.8-3848_daily_bin2170.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 sourcoutfile=/lscratch/kocevski/27622866/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits .....................! real 8.27 user 7.61 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits evtable="EVENTS" scfile=/lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits sctable="SC_DATA" expcube=/lscratch/kocevski/27622866/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622866/expmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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/27622866/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits .....................! real 66.96 user 62.81 sys 3.41 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 194 point sources and 0 extended sources Setting source of interest to: 4FGL J0521.8-3848 @ 80.4718 -38.8066 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits scfile=/lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622866/cmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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=80.4718 yref=-38.8066 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/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits scfile=/lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits outfile=/lscratch/kocevski/27622866/cmap_HighResolution_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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=80.4718 yref=-38.8066 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 0.81 user 0.22 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits evtable="EVENTS" scfile=/lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/27622866/Model_4FGL_J0521.8-3848_daily_bin2170.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/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits.....................! real 37.91 user 35.98 sys 0.93 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits', '/lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits', expMap='/lscratch/kocevski/27622734/expmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits', expCube='/lscratch/kocevski/27622734/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/27622734/Model_4FGL_J0521.8-3848_daily_bin2170.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0521.8-3848' 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 1.199e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 2.594e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/27622734/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits Spacecraft file(s): /lscratch/kocevski/27622734/ft2_4FGL_J0521.8-3848_daily_bin2170.fits Exposure map: /lscratch/kocevski/27622734/expmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits Exposure cube: /lscratch/kocevski/27622734/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/27622734/Model_4FGL_J0521.8-3848_daily_bin2170.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) = 9517.31337639 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9517.21807267 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 3.6987 1.0000 .0000 .10000E+07 2 'norm ' .50106 1.0000 .0000 .10000E+07 3 'Prefactor ' .12552E-03 1.0000 .0000 .10000E+07 4 'norm ' 30.315 1.0000 .0000 .10000E+07 5 'norm ' .66543 1.0000 .0000 .10000E+07 6 'Prefactor ' .21756E-03 1.0000 .0000 .10000E+07 7 'Prefactor ' .34783E-06 1.0000 .0000 .10000E+07 8 'norm ' .50232E-04 1.0000 .0000 .10000E+07 9 'Prefactor ' .11102E-09 1.0000 .0000 .10000E+07 10 'Prefactor ' .52180E-08 1.0000 .0000 .10000E+07 11 'Prefactor ' 5.1978 1.0000 .0000 .10000E+07 12 'Prefactor ' .11102E-09 1.0000 .0000 .10000E+07 13 'norm ' 10.279 1.0000 .0000 .10000E+07 14 'Prefactor ' 14.504 1.0000 .0000 .10000E+07 15 'norm ' .33937 1.0000 .0000 .10000E+07 16 'norm ' .55511E-10 1.0000 .0000 .10000E+07 17 'Prefactor ' 2.9900 1.0000 .0000 .10000E+07 18 'Prefactor ' .27785E-03 1.0000 .0000 .10000E+07 19 'norm ' .37192E-08 1.0000 .0000 .10000E+07 20 'Prefactor ' .89762 1.0000 .0000 .10000E+07 21 'norm ' 15.875 1.0000 .0000 .10000E+07 22 'norm ' 1.6556 1.0000 .0000 .10000E+07 23 'norm ' 6.9301 1.0000 .0000 .10000E+07 24 'Prefactor ' .13267E-07 1.0000 .0000 .10000E+07 25 'Normalizat' .69599 1.0000 .10000E-01 10.000 26 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6380E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9517.218 FROM MIGRAD STATUS=CONVERGED 161 CALLS 2263 TOTAL EDM= .19E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 3.6988 5.0336 -.12243E-06 -.12840E-02 2 norm .50107 .33284 .16813E-07 .28497E-02 3 Prefactor .86098E-06 4.8585 -.12248E-07** at limit ** 4 norm 30.301 9.5574 -.72056E-07 -.11295 5 norm .66508 .68721 .28823E-07 .33803E-02 6 Prefactor .72164E-08 4.6047 -.41353E-07** at limit ** 7 Prefactor .16220E-06 8.6533 .31688E-06** at limit ** 8 norm .12720E-05 14.414 .44656E-06** at limit ** 9 Prefactor .24847E-06 10.124 .34332E-06** at limit ** 10 Prefactor .89845E-06 18.206 .24126E-06** at limit ** 11 Prefactor 5.1970 2.2274 .81700E-07 .63888E-02 12 Prefactor .11102E-09 1.1481 .10995E-06** at limit ** 13 norm 10.280 2.4683 .63127E-07 .77117E-02 14 Prefactor 14.505 1.5349 .47750E-08 -.24231E-02 15 norm .33352 7.0413 -.14013E-06 -.69764E-03 16 norm .11102E-09 1.1249 .72331E-07** at limit ** 17 Prefactor 2.9926 4.2266 -.14398E-06 -.10619E-02 18 Prefactor .93819E-06 16.519 .28892E-07** at limit ** 19 norm .11657E-08 1.4860 -.23116E-06** at limit ** 20 Prefactor .88845 8.9245 .25713E-06 -.57310E-01 21 norm 15.875 1.6657 -.34455E-08 .79337E-03 22 norm 1.6558 1.6004 -.51708E-07 -.25232E-02 23 norm 6.9286 8.4680 -.47409E-07 -.60434E-01 24 Prefactor .33767E-06 5.0625 .96289E-07** at limit ** 25 Normalizat .69590 .17374 -.72069E-06 .59909E-04 26 Prefactor 1.0650 .14869 .82200E-06 .10537E-03 ERR DEF= .500 Final values: Prefactor = 3.6988 norm = 0.501074 Prefactor = 8.60978e-07 norm = 30.3006 norm = 0.665077 Prefactor = 7.21645e-09 Prefactor = 1.62204e-07 norm = 1.27198e-06 Prefactor = 2.48468e-07 Prefactor = 8.98448e-07 Prefactor = 5.19703 Prefactor = 1.11022e-10 norm = 10.2804 Prefactor = 14.5047 norm = 0.33352 norm = 1.11022e-10 Prefactor = 2.99264 Prefactor = 9.38194e-07 norm = 1.16573e-09 Prefactor = 0.888448 norm = 15.8754 norm = 1.65581 norm = 6.92856 Prefactor = 3.37674e-07 Normalizat = 0.695897 Prefactor = 1.06501 ********** ** 18 **HESSE ********** FCN= 9517.218 FROM HESSE STATUS=OK 530 CALLS 2793 TOTAL EDM= .19E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 3.6988 5.0521 .52487E-03 -1.5669 2 norm .50107 .32808 .78602E-03 -1.5694 3 Prefactor .86098E-06 6.6574 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm 30.301 10.180 .18165E-03 -1.5598 5 norm .66508 .68676 .63560E-03 -1.5692 6 Prefactor .72164E-08 1.1092 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .16220E-06 12.874 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .12720E-05 2.6625 .53477E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .24847E-06 11.055 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .89845E-06 29.102 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 5.1970 2.2624 .44069E-03 -1.5662 12 Prefactor .11102E-09 1.1461 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 norm 10.280 2.4695 .31227E-03 -1.5644 14 Prefactor 14.505 14.850 .26273E-03 -1.5632 15 norm .33352 1.5283 .65964E-02 -1.5696 16 norm .11102E-09 1.1232 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor 2.9926 4.3984 .58683E-03 -1.5673 18 Prefactor .93819E-06 32.561 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .11657E-08 1.4848 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .88845 68.585 .45925E-03 -1.5689 21 norm 15.875 1.6665 .25111E-03 -1.5628 22 norm 1.6558 1.6207 .81992E-03 -1.5682 23 norm 6.9286 8.7450 .38086E-03 -1.5655 24 Prefactor .33767E-06 5.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 25 Normalizat .69590 .15815 .71782E-01 -1.0406 26 Prefactor 1.0650 .13253 .39103E-01 -.90593 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.8792e-06 Minuit parameter uncertainties: 1 5.05211 2 0.32808 3 0.00478828 4 10.1798 5 0.686759 6 0.000179176 7 0.00289001 8 0.00368059 9 0.00331462 10 0.0102268 11 2.26245 12 2.13138e-05 13 2.4695 14 14.8501 15 1.42791 16 2.24746e-05 17 4.39838 18 0.011054 19 8.24528e-05 20 15.6123 21 1.6665 22 1.62067 23 8.745 24 0.00274775 25 0.158249 26 0.132569 e GAL_V02 Working on... /lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits.....................! real 36.92 user 35.12 sys 0.96 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits', '/lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits', expMap='/lscratch/kocevski/27622866/expmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits', expCube='/lscratch/kocevski/27622866/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/27622866/Model_4FGL_J0521.8-3848_daily_bin2170.xml', optimizer='MINUIT') Using source of interest name: '4FGL J0521.8-3848' 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 1.199e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 2.594e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/27622866/ft1_filtered_4FGL_J0521.8-3848_daily_bin2170.fits Spacecraft file(s): /lscratch/kocevski/27622866/ft2_4FGL_J0521.8-3848_daily_bin2170.fits Exposure map: /lscratch/kocevski/27622866/expmap_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits Exposure cube: /lscratch/kocevski/27622866/ltcube_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/27622866/Model_4FGL_J0521.8-3848_daily_bin2170.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) = 9517.31337639 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9517.21807267 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 3.6987 1.0000 .0000 .10000E+07 2 'norm ' .50106 1.0000 .0000 .10000E+07 3 'Prefactor ' .12552E-03 1.0000 .0000 .10000E+07 4 'norm ' 30.315 1.0000 .0000 .10000E+07 5 'norm ' .66543 1.0000 .0000 .10000E+07 6 'Prefactor ' .21756E-03 1.0000 .0000 .10000E+07 7 'Prefactor ' .34783E-06 1.0000 .0000 .10000E+07 8 'norm ' .50232E-04 1.0000 .0000 .10000E+07 9 'Prefactor ' .11102E-09 1.0000 .0000 .10000E+07 10 'Prefactor ' .52180E-08 1.0000 .0000 .10000E+07 11 'Prefactor ' 5.1978 1.0000 .0000 .10000E+07 12 'Prefactor ' .11102E-09 1.0000 .0000 .10000E+07 13 'norm ' 10.279 1.0000 .0000 .10000E+07 14 'Prefactor ' 14.504 1.0000 .0000 .10000E+07 15 'norm ' .33937 1.0000 .0000 .10000E+07 16 'norm ' .55511E-10 1.0000 .0000 .10000E+07 17 'Prefactor ' 2.9900 1.0000 .0000 .10000E+07 18 'Prefactor ' .27785E-03 1.0000 .0000 .10000E+07 19 'norm ' .37192E-08 1.0000 .0000 .10000E+07 20 'Prefactor ' .89762 1.0000 .0000 .10000E+07 21 'norm ' 15.875 1.0000 .0000 .10000E+07 22 'norm ' 1.6556 1.0000 .0000 .10000E+07 23 'norm ' 6.9301 1.0000 .0000 .10000E+07 24 'Prefactor ' .13267E-07 1.0000 .0000 .10000E+07 25 'Normalizat' .69599 1.0000 .10000E-01 10.000 26 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6380E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 9517.218 FROM MIGRAD STATUS=CONVERGED 161 CALLS 2263 TOTAL EDM= .19E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 3.6988 5.0336 -.12243E-06 -.12840E-02 2 norm .50107 .33284 .16813E-07 .28497E-02 3 Prefactor .86098E-06 4.8585 -.12248E-07** at limit ** 4 norm 30.301 9.5574 -.72056E-07 -.11295 5 norm .66508 .68721 .28823E-07 .33803E-02 6 Prefactor .72164E-08 4.6047 -.41353E-07** at limit ** 7 Prefactor .16220E-06 8.6533 .31688E-06** at limit ** 8 norm .12720E-05 14.414 .44656E-06** at limit ** 9 Prefactor .24847E-06 10.124 .34332E-06** at limit ** 10 Prefactor .89845E-06 18.206 .24126E-06** at limit ** 11 Prefactor 5.1970 2.2274 .81700E-07 .63888E-02 12 Prefactor .11102E-09 1.1481 .10995E-06** at limit ** 13 norm 10.280 2.4683 .63127E-07 .77117E-02 14 Prefactor 14.505 1.5349 .47750E-08 -.24231E-02 15 norm .33352 7.0413 -.14013E-06 -.69764E-03 16 norm .11102E-09 1.1249 .72331E-07** at limit ** 17 Prefactor 2.9926 4.2266 -.14398E-06 -.10619E-02 18 Prefactor .93819E-06 16.519 .28892E-07** at limit ** 19 norm .11657E-08 1.4860 -.23116E-06** at limit ** 20 Prefactor .88845 8.9245 .25713E-06 -.57310E-01 21 norm 15.875 1.6657 -.34455E-08 .79337E-03 22 norm 1.6558 1.6004 -.51708E-07 -.25232E-02 23 norm 6.9286 8.4680 -.47409E-07 -.60434E-01 24 Prefactor .33767E-06 5.0625 .96289E-07** at limit ** 25 Normalizat .69590 .17374 -.72069E-06 .59909E-04 26 Prefactor 1.0650 .14869 .82200E-06 .10537E-03 ERR DEF= .500 Final values: Prefactor = 3.6988 norm = 0.501074 Prefactor = 8.60978e-07 norm = 30.3006 norm = 0.665077 Prefactor = 7.21645e-09 Prefactor = 1.62204e-07 norm = 1.27198e-06 Prefactor = 2.48468e-07 Prefactor = 8.98448e-07 Prefactor = 5.19703 Prefactor = 1.11022e-10 norm = 10.2804 Prefactor = 14.5047 norm = 0.33352 norm = 1.11022e-10 Prefactor = 2.99264 Prefactor = 9.38194e-07 norm = 1.16573e-09 Prefactor = 0.888448 norm = 15.8754 norm = 1.65581 norm = 6.92856 Prefactor = 3.37674e-07 Normalizat = 0.695897 Prefactor = 1.06501 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9517.21803118 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 1.110e-10 2.131e-05 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 2.594e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.326e-01 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.582e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 80.472 -38.807 Photon Flux Upper Limit: 5.33641055667e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00417481881162 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/27622734/likelihoodResults_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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): 102 logL (Free Index) = 9517.22030905 delta logL = -0.00227786812684 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9517.21803276 delta logL = -1.57805152412e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .63366E-06 1.0000 .0000 .10000E+07 2 'Index ' 1.3897 1.0000 .0000 10.000 3 'Normalizat' .69601 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6380E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM MIGRAD STATUS=CONVERGED 37 CALLS 237 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .80615 .42118E-03** at limit ** 2 Index 3.3201 1.4458 -.18740E-03 .0000 3 Normalizat .69590 1.0356 .15498E-04 -.29362E-03 4 Prefactor 1.0650 1.1757 -.23098E-04 -.19776E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.32008 Normalizat = 0.695896 Prefactor = 1.06501 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM HESSE STATUS=FAILED 9 CALLS 246 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .80615 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.2349 2.1663 -.18740E-03 -.34265 3 Normalizat .69590 1.0356 .15498E-04 -1.0406 4 Prefactor 1.0650 1.1757 -.23098E-04 -.90593 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 9.53348e-11 Minuit parameter uncertainties: 1 3.3715e-07 2 1.46958 3 1.06699 4 1.20616 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 9517.21803118 delta logL = -2.0008883439e-11 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 3.372e-07 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 3.320e+00 1.470e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.206e+00 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.067e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 80.472 -38.807 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/27622734/cmap_HighResolution_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.17e-03', job_status='DONE', photon_flux_upper_limit='5.34e-08', time_completed='2026-06-02 04:42:10.588242', job_id='27622734', GAL2='1.07', fit_tolerance='1e-08', EG2='0.70', EG='0.70', time_epoch_completed='1780400530.59', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='-2.00e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.59' WHERE bin_id='2170' AND source_name='4FGL J0521.8-3848' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jun 2 04:42:10 PDT 2026 ********** ** 18 **HESSE ********** FCN= 9517.218 FROM HESSE STATUS=OK 530 CALLS 2793 TOTAL EDM= .19E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 3.6988 5.0521 .52487E-03 -1.5669 2 norm .50107 .32808 .78602E-03 -1.5694 3 Prefactor .86098E-06 6.6574 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 norm 30.301 10.180 .18165E-03 -1.5598 5 norm .66508 .68676 .63560E-03 -1.5692 6 Prefactor .72164E-08 1.1092 .42118E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .16220E-06 12.874 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 norm .12720E-05 2.6625 .53477E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .24847E-06 11.055 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .89845E-06 29.102 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 Prefactor 5.1970 2.2624 .44069E-03 -1.5662 12 Prefactor .11102E-09 1.1461 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 norm 10.280 2.4695 .31227E-03 -1.5644 14 Prefactor 14.505 14.850 .26273E-03 -1.5632 15 norm .33352 1.5283 .65964E-02 -1.5696 16 norm .11102E-09 1.1232 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor 2.9926 4.3984 .58683E-03 -1.5673 18 Prefactor .93819E-06 32.561 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 norm .11657E-08 1.4848 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 20 Prefactor .88845 68.585 .45925E-03 -1.5689 21 norm 15.875 1.6665 .25111E-03 -1.5628 22 norm 1.6558 1.6207 .81992E-03 -1.5682 23 norm 6.9286 8.7450 .38086E-03 -1.5655 24 Prefactor .33767E-06 5.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 25 Normalizat .69590 .15815 .71782E-01 -1.0406 26 Prefactor 1.0650 .13253 .39103E-01 -.90593 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 1.8792e-06 Minuit parameter uncertainties: 1 5.05211 2 0.32808 3 0.00478828 4 10.1798 5 0.686759 6 0.000179176 7 0.00289001 8 0.00368059 9 0.00331462 10 0.0102268 11 2.26245 12 2.13138e-05 13 2.4695 14 14.8501 15 1.42791 16 2.24746e-05 17 4.39838 18 0.011054 19 8.24528e-05 20 15.6123 21 1.6665 22 1.62067 23 8.745 24 0.00274775 25 0.158249 26 0.132569 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 9517.21803118 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 1.110e-10 2.131e-05 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 2.594e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.326e-01 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.582e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 80.472 -38.807 Photon Flux Upper Limit: 5.33641055667e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00417481881162 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/27622866/likelihoodResults_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.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): 102 logL (Free Index) = 9517.22030905 delta logL = -0.00227786812684 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 9517.21803276 delta logL = -1.57805152412e-06 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .63366E-06 1.0000 .0000 .10000E+07 2 'Index ' 1.3897 1.0000 .0000 10.000 3 'Normalizat' .69601 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0650 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6380E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM MIGRAD STATUS=CONVERGED 37 CALLS 237 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .80615 .42118E-03** at limit ** 2 Index 3.3201 1.4458 -.18740E-03 .0000 3 Normalizat .69590 1.0356 .15498E-04 -.29362E-03 4 Prefactor 1.0650 1.1757 -.23098E-04 -.19776E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 3.32008 Normalizat = 0.695896 Prefactor = 1.06501 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 9517.218 FROM HESSE STATUS=FAILED 9 CALLS 246 TOTAL EDM= .95E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .80615 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index 1.2349 2.1663 -.18740E-03 -.34265 3 Normalizat .69590 1.0356 .15498E-04 -1.0406 4 Prefactor 1.0650 1.1757 -.23098E-04 -.90593 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 9.53348e-11 Minuit parameter uncertainties: 1 3.3715e-07 2 1.46958 3 1.06699 4 1.20616 shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory Done. MINUIT Return Code (Free Index): 101 logL (Free Index) = 9517.21803118 delta logL = -2.0008883439e-11 Extracting fit parameters... 4FGL J0521.8-3848 Spectrum: PowerLaw 282 Prefactor: 0.000e+00 3.372e-07 0.000e+00 1.000e+06 ( 1.000e-12) 283 Index: 3.320e+00 1.470e+00 0.000e+00 1.000e+01 (-1.000e+00) 284 Scale: 7.225e+02 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 635 Prefactor: 1.065e+00 1.206e+00 0.000e+00 1.000e+01 ( 1.000e+00) 636 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 637 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 634 Normalization: 6.959e-01 1.067e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 80.472 -38.807 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/27622866/cmap_HighResolution_801792001_802051201_4FGL_J0521.8-3848_daily_bin2170.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='4.17e-03', job_status='DONE', photon_flux_upper_limit='5.34e-08', time_completed='2026-06-02 04:43:06.601092', job_id='27622866', GAL2='1.07', fit_tolerance='1e-08', EG2='0.70', EG='0.70', time_epoch_completed='1780400586.6', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.07', dlogl='-2.00e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.59' WHERE bin_id='2170' AND source_name='4FGL J0521.8-3848' AND cadence='daily'; Database successfully updated. Analysis Complete. Tue Jun 2 04:43:06 PDT 2026