Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8697562 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 7.952e+00 1.806e+01 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.509e-01 8.195e-02 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.467e-01 1.098e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.25 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.03891058893e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00228994926232 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28187444/likelihoodResults_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.3517026 delta logL = 0.518053603741 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19461.1402262 delta logL = 0.729530059863 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .86856E-02 1.0000 .0000 .10000E+07 2 'Index ' 5.4317 1.0000 .0000 10.000 3 'Normalizat' .89703 1.0000 .10000E-01 10.000 4 'Prefactor ' .97716 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM MIGRAD STATUS=CONVERGED 47 CALLS 305 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .73799 .42118E-03** at limit ** 2 Index .12426 .22242 .28283E-04 .0000 3 Normalizat .94811 1.2639 .49210E-05 -.23599E-03 4 Prefactor .95268 1.3029 -.70442E-06 -.24226E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.124258 Normalizat = 0.948111 Prefactor = 0.952682 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM HESSE STATUS=FAILED 9 CALLS 314 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .73799 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .20394 .22242 .28283E-04 -1.3474 3 Normalizat .94811 1.2639 .49210E-05 -.94790 4 Prefactor .95268 1.3029 -.70442E-06 -.94324 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.18989e-11 Minuit parameter uncertainties: 1 7.41558e-06 2 0.22394 3 1.30735 4 1.34993 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) = 19461.991241 delta logL = -0.121484805564 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 7.416e-06 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 1.243e-01 2.239e-01 0.000e+00 1.000e+01 (-1.000e+00) 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.527e-01 1.350e+00 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.481e-01 1.307e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.25 Ra Dec: 337.166 -16.607 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/28187444/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.29e-03', job_status='DONE', photon_flux_upper_limit='3.04e-08', time_completed='2026-06-09 20:13:45.269948', job_id='28187444', GAL2='0.95', fit_tolerance='1e-08', EG2='0.95', EG='0.95', time_epoch_completed='1781061225.27', return_code2='101', ts='0.25', comment='SUCCESS', return_code='0', GAL='0.95', dlogl='-1.21e-01', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='931' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jun 9 20:13:45 PDT 2026 /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) = 19461.8697562 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 7.952e+00 1.806e+01 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.509e-01 8.195e-02 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.467e-01 1.098e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.25 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.03891058893e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00228994926232 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28187544/likelihoodResults_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.3517026 delta logL = 0.518053603741 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19461.1402262 delta logL = 0.729530059863 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .86856E-02 1.0000 .0000 .10000E+07 2 'Index ' 5.4317 1.0000 .0000 10.000 3 'Normalizat' .89703 1.0000 .10000E-01 10.000 4 'Prefactor ' .97716 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM MIGRAD STATUS=CONVERGED 47 CALLS 305 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .73799 .42118E-03** at limit ** 2 Index .12426 .22242 .28283E-04 .0000 3 Normalizat .94811 1.2639 .49210E-05 -.23599E-03 4 Prefactor .95268 1.3029 -.70442E-06 -.24226E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.124258 Normalizat = 0.948111 Prefactor = 0.952682 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM HESSE STATUS=FAILED 9 CALLS 314 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .73799 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .20394 .22242 .28283E-04 -1.3474 3 Normalizat .94811 1.2639 .49210E-05 -.94790 4 Prefactor .95268 1.3029 -.70442E-06 -.94324 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.18989e-11 Minuit parameter uncertainties: 1 7.41558e-06 2 0.22394 3 1.30735 4 1.34993 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) = 19461.991241 delta logL = -0.121484805564 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 7.416e-06 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 1.243e-01 2.239e-01 0.000e+00 1.000e+01 (-1.000e+00) 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.527e-01 1.350e+00 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.481e-01 1.307e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.25 Ra Dec: 337.166 -16.607 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/28187544/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.29e-03', job_status='DONE', photon_flux_upper_limit='3.04e-08', time_completed='2026-06-09 20:14:02.683402', job_id='28187544', GAL2='0.95', fit_tolerance='1e-08', EG2='0.95', EG='0.95', time_epoch_completed='1781061242.68', return_code2='101', ts='0.25', comment='SUCCESS', return_code='0', GAL='0.95', dlogl='-1.21e-01', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='931' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jun 9 20:14:02 PDT 2026 source GAL_V02 Working on... /lscratch/kocevski/28187589/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits.....................! real 57.31 user 55.37 sys 1.20 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28187589/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits', '/lscratch/kocevski/28187589/ft2_4FGL_J2228.6-1636_weekly_bin931.fits', expMap='/lscratch/kocevski/28187589/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', expCube='/lscratch/kocevski/28187589/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28187589/Model_4FGL_J2228.6-1636_weekly_bin931.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2228.6-1636' 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 6.423e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28187589/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits Spacecraft file(s): /lscratch/kocevski/28187589/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Exposure map: /lscratch/kocevski/28187589/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits Exposure cube: /lscratch/kocevski/28187589/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28187589/Model_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.9260437 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8710089 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 35.748 1.0000 .0000 .10000E+07 2 'norm ' 4.8262 1.0000 .0000 .10000E+07 3 'Prefactor ' 14.177 1.0000 .0000 .10000E+07 4 'Prefactor ' 4.5099 1.0000 .0000 .10000E+07 5 'Prefactor ' 1.7366 1.0000 .0000 .10000E+07 6 'Prefactor ' 13.286 1.0000 .0000 .10000E+07 7 'Prefactor ' .15771E-04 1.0000 .0000 .10000E+07 8 'Prefactor ' .79519 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.9496 1.0000 .0000 .10000E+07 10 'norm ' 6.3949 1.0000 .0000 .10000E+07 11 'norm ' .22469E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .85336E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 3.9027 1.0000 .0000 .10000E+07 14 'norm ' .47740E-07 1.0000 .0000 .10000E+07 15 'norm ' 3.9627 1.0000 .0000 .10000E+07 16 'Prefactor ' 14.522 1.0000 .0000 .10000E+07 17 'Prefactor ' 12.560 1.0000 .0000 .10000E+07 18 'norm ' .22204E-09 1.0000 .0000 .10000E+07 19 'Prefactor ' 14.845 1.0000 .0000 .10000E+07 20 'Prefactor ' 1.4282 1.0000 .0000 .10000E+07 21 'Normalizat' .94774 1.0000 .10000E-01 10.000 22 'Prefactor ' .95048 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 19461.87 FROM MIGRAD STATUS=CONVERGED 161 CALLS 1440 TOTAL EDM= .81E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 35.764 1.7046 -.40576E-08 -.15275E-01 2 norm 4.8133 3.0629 .11102E-06 -.21116E-03 3 Prefactor 14.189 3.8612 -.60112E-07 -.63921E-04 4 Prefactor 4.5158 5.5594 .85618E-07 .10979E-03 5 Prefactor 1.7521 3.6817 .93291E-07 -.35317E-03 6 Prefactor 13.283 6.3100 -.31168E-07 -.31832E-03 7 Prefactor .0000 6.6031 -.15717E-06** at limit ** 8 Prefactor .79653 1.6469 -.10099E-06 .10630E-03 9 Prefactor 7.9520 1.1619 -.47568E-09 -.35928E-02 10 norm 6.3948 2.2905 -.14004E-08 -.18476E-03 11 norm .0000 4.2268 -.65372E-07** at limit ** 12 Prefactor .0000 15.489 .27001E-06** at limit ** 13 Prefactor 3.8544 5.7243 -.22987E-06 -.31320E-03 14 norm .0000 .11601 -.74427E-07** at limit ** 15 norm 3.9214 1.7047 .12236E-06 .71502E-04 16 Prefactor 15.630 25.820 -.90118E-06 -.13428E-03 17 Prefactor 12.499 6.6883 -.16887E-06 -.46905E-03 18 norm .0000 1.5811 .41513E-06** at limit ** 19 Prefactor 15.146 12.482 -.22641E-06 .81721E-03 20 Prefactor 1.4304 3.7584 .25832E-06 -.35555E-03 21 Normalizat .94673 .12791 -.66098E-06 -.19099E-04 22 Prefactor .95089 .95962E-01 .71937E-06 -.17320E-04 ERR DEF= .500 Final values: Prefactor = 35.7637 norm = 4.81328 Prefactor = 14.1895 Prefactor = 4.51583 Prefactor = 1.75206 Prefactor = 13.2831 Prefactor = 0 Prefactor = 0.796526 Prefactor = 7.95203 norm = 6.39479 norm = 0 Prefactor = 0 Prefactor = 3.85436 norm = 0 norm = 3.92139 Prefactor = 15.6302 Prefactor = 12.4985 norm = 0 Prefactor = 15.1462 Prefactor = 1.43037 Normalizat = 0.946732 Prefactor = 0.95089 number of points = 17382 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2228.6-1636_weekly_bin931 RA = 337.166, Dec = -16.6073 tmin = 802051201, tmax = 802656001 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='28187742', job_status='RUN', time_executed='2026-06-09 20:11:15.444373', time_epoch_executed='1781061075.44' WHERE source_name='4FGL J2228.6-1636' and cadence='weekly' and bin_id='931' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/28187742 Creating custom pfile directory: /lscratch/kocevski/28187742/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/28187742/ft1_4FGL_J2228.6-1636_weekly_bin931.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/28187742/ft1_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187742/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin931.fits ra=337.166 dec=-16.6073 rad=12.0 tmin=802051201.0 tmax=802656001.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 5.31 user 4.71 sys 0.23 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.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/28187742/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" outfile="/lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.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 0.64 user 0.22 sys 0.13 Number of photons that the gtmktime cut: 1803 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits" evtable="EVENTS" scfile=/lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATnumber of points = 17382 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2228.6-1636_weekly_bin931 RA = 337.166, Dec = -16.6073 tmin = 802051201, tmax = 802656001 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='28187732', job_status='RUN', time_executed='2026-06-09 20:10:55.586365', time_epoch_executed='1781061055.59' WHERE source_name='4FGL J2228.6-1636' and cadence='weekly' and bin_id='931' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/28187732 Creating custom pfile directory: /lscratch/kocevski/28187732/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/28187732/ft1_4FGL_J2228.6-1636_weekly_bin931.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/28187732/ft1_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187732/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin931.fits ra=337.166 dec=-16.6073 rad=12.0 tmin=802051201.0 tmax=802656001.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 5.26 user 4.26 sys 0.25 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.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/28187732/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" outfile="/lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.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 0.80 user 0.19 sys 0.13 Number of photons that the gtmktime cut: 1803 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits" evtable="EVENTS" scfile=/lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DAT ********** ** 18 **HESSE ********** FCN= 19461.87 FROM HESSE STATUS=OK 402 CALLS 1842 TOTAL EDM= .44E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 35.764 10.818 .16727E-03 -1.5588 2 norm 4.8133 3.0695 .45769E-03 -1.5664 3 Prefactor 14.189 3.8874 .26576E-03 -1.5633 4 Prefactor 4.5158 5.6133 .47385E-03 -1.5665 5 Prefactor 1.7521 3.7135 .79600E-03 -1.5681 6 Prefactor 13.283 6.3085 .27455E-03 -1.5635 7 Prefactor .0000 6.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .79653 1.6605 .53294E-03 -1.5690 9 Prefactor 7.9520 18.057 .35538E-03 -1.5652 10 norm 6.3948 2.2975 .39666E-03 -1.5657 11 norm .0000 4.2178 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 15.502 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 3.8544 5.7431 .51047E-03 -1.5669 14 norm .0000 .11345 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm 3.9214 1.6943 .50646E-03 -1.5668 16 Prefactor 15.630 25.597 .26257E-03 -1.5629 17 Prefactor 12.499 7.7726 .28239E-03 -1.5637 18 norm .0000 .21119 .29515E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor 15.146 12.616 .25969E-03 -1.5630 20 Prefactor 1.4304 3.7874 .90389E-03 -1.5684 21 Normalizat .94673 .10975 .45509E-01 -.94837 22 Prefactor .95089 .81935E-01 .45645E-01 -.94385 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.40803e-06 Minuit parameter uncertainties: 1 10.8175 2 3.06945 3 3.88737 4 5.61328 5 3.71347 6 6.30847 7 5.05466e-06 8 1.66052 9 18.0568 10 2.29745 11 6.06287e-07 12 9.81589e-06 13 5.74311 14 1.4604e-07 15 1.69426 16 25.5977 17 7.77264 18 2.35093e-07 19 12.6164 20 3.78738 21 0.10978 22 0.0819457 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8697562 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 7.952e+00 1.806e+01 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.509e-01 8.195e-02 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.467e-01 1.098e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.25 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.03891058893e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00228994926232 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28187589/likelihoodResults_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.3517026 delta logL = 0.518053603741 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19461.1402262 delta logL = 0.729530059863 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .86856E-02 1.0000 .0000 .10000E+07 2 'Index ' 5.4317 1.0000 .0000 10.000 3 'Normalizat' .89703 1.0000 .10000E-01 10.000 4 'Prefactor ' .97716 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM MIGRAD STATUS=CONVERGED 47 CALLS 305 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .73799 .42118E-03** at limit ** 2 Index .12426 .22242 .28283E-04 .0000 3 Normalizat .94811 1.2639 .49210E-05 -.23599E-03 4 Prefactor .95268 1.3029 -.70442E-06 -.24226E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.124258 Normalizat = 0.948111 Prefactor = 0.952682 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM HESSE STATUS=FAILED 9 CALLS 314 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .73799 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .20394 .22242 .28283E-04 -1.3474 3 Normalizat .94811 1.2639 .49210E-05 -.94790 4 Prefactor .95268 1.3029 -.70442E-06 -.94324 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.18989e-11 Minuit parameter uncertainties: 1 7.41558e-06 2 0.22394 3 1.30735 4 1.34993 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) = 19461.991241 delta logL = -0.121484805564 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 7.416e-06 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 1.243e-01 2.239e-01 0.000e+00 1.000e+01 (-1.000e+00) 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.527e-01 1.350e+00 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.481e-01 1.307e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.25 Ra Dec: 337.166 -16.607 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/28187589/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.29e-03', job_status='DONE', photon_flux_upper_limit='3.04e-08', time_completed='2026-06-09 20:16:10.008367', job_id='28187589', GAL2='0.95', fit_tolerance='1e-08', EG2='0.95', EG='0.95', time_epoch_completed='1781061370.01', return_code2='101', ts='0.25', comment='SUCCESS', return_code='0', GAL='0.95', dlogl='-1.21e-01', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='931' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jun 9 20:16:10 PDT 2026 number of points = 17382 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2228.6-1636_weekly_bin931 RA = 337.166, Dec = -16.6073 tmin = 802051201, tmax = 802656001 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='28187826', job_status='RUN', time_executed='2026-06-09 20:13:54.314412', time_epoch_executed='1781061234.31' WHERE source_name='4FGL J2228.6-1636' and cadence='weekly' and bin_id='931' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/28187826 Creating custom pfile directory: /lscratch/kocevski/28187826/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/28187826/ft1_4FGL_J2228.6-1636_weekly_bin931.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=802051201.0 && nMetStart<802656001.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/28187826/ft1_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187826/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin931.fits ra=337.166 dec=-16.6073 rad=12.0 tmin=802051201.0 tmax=802656001.0 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 4.64 user 4.01 sys 0.24 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.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/28187826/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" outfile="/lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.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 0.68 user 0.20 sys 0.13 Number of photons that the gtmktime cut: 1803 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits" evtable="EVENTS" scfile=/lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATA" outfile=/lscratch/kocevski/28187732/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits .....................! real 17.17 user 16.45 sys 0.23 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" scfile=/lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATA" expcube=/lscratch/kocevski/28187732/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187732/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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/28187732/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits .....................! real 63.65 user 58.65 sys 3.64 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 152 point sources and 0 extended sources Setting source of interest to: 4FGL J2228.6-1636 @ 337.166 -16.6073 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits scfile=/lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187732/cmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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=337.166 yref=-16.6073 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 0.82 user 0.22 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits scfile=/lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187732/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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=337.166 yref=-16.6073 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 0.79 user 0.22 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" scfile=/lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/28187732/Model_4FGL_J2228.6-1636_weekly_bin931.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 A" outfile=/lscratch/kocevski/28187742/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits .....................! real 18.58 user 17.99 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" scfile=/lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATA" expcube=/lscratch/kocevski/28187742/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187742/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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/28187742/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits .....................! real 70.87 user 65.59 sys 4.38 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 152 point sources and 0 extended sources Setting source of interest to: 4FGL J2228.6-1636 @ 337.166 -16.6073 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits scfile=/lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187742/cmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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=337.166 yref=-16.6073 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 0.71 user 0.23 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits scfile=/lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187742/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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=337.166 yref=-16.6073 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 0.75 user 0.23 sys 0.15 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" scfile=/lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/28187742/Model_4FGL_J2228.6-1636_weekly_bin931.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 A" outfile=/lscratch/kocevski/28187826/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits .....................! real 15.92 user 15.08 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" scfile=/lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATA" expcube=/lscratch/kocevski/28187826/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187826/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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/28187826/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits .....................! real 59.54 user 55.61 sys 3.16 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 152 point sources and 0 extended sources Setting source of interest to: 4FGL J2228.6-1636 @ 337.166 -16.6073 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits scfile=/lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187826/cmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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=337.166 yref=-16.6073 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 0.20 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits scfile=/lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits outfile=/lscratch/kocevski/28187826/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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=337.166 yref=-16.6073 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 0.59 user 0.21 sys 0.12 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits evtable="EVENTS" scfile=/lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/28187826/Model_4FGL_J2228.6-1636_weekly_bin931.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/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits.....................! real 52.89 user 50.51 sys 1.09 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits', '/lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits', expMap='/lscratch/kocevski/28187732/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', expCube='/lscratch/kocevski/28187732/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28187732/Model_4FGL_J2228.6-1636_weekly_bin931.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2228.6-1636' 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 6.423e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28187732/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits Spacecraft file(s): /lscratch/kocevski/28187732/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Exposure map: /lscratch/kocevski/28187732/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits Exposure cube: /lscratch/kocevski/28187732/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28187732/Model_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.9260437 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8710089 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 35.748 1.0000 .0000 .10000E+07 2 'norm ' 4.8262 1.0000 .0000 .10000E+07 3 'Prefactor ' 14.177 1.0000 .0000 .10000E+07 4 'Prefactor ' 4.5099 1.0000 .0000 .10000E+07 5 'Prefactor ' 1.7366 1.0000 .0000 .10000E+07 6 'Prefactor ' 13.286 1.0000 .0000 .10000E+07 7 'Prefactor ' .15771E-04 1.0000 .0000 .10000E+07 8 'Prefactor ' .79519 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.9496 1.0000 .0000 .10000E+07 10 'norm ' 6.3949 1.0000 .0000 .10000E+07 11 'norm ' .22469E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .85336E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 3.9027 1.0000 .0000 .10000E+07 14 'norm ' .47740E-07 1.0000 .0000 .10000E+07 15 'norm ' 3.9627 1.0000 .0000 .10000E+07 16 'Prefactor ' 14.522 1.0000 .0000 .10000E+07 17 'Prefactor ' 12.560 1.0000 .0000 .10000E+07 18 'norm ' .22204E-09 1.0000 .0000 .10000E+07 19 'Prefactor ' 14.845 1.0000 .0000 .10000E+07 20 'Prefactor ' 1.4282 1.0000 .0000 .10000E+07 21 'Normalizat' .94774 1.0000 .10000E-01 10.000 22 'Prefactor ' .95048 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 19461.87 FROM MIGRAD STATUS=CONVERGED 161 CALLS 1440 TOTAL EDM= .81E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 35.764 1.7046 -.40576E-08 -.15275E-01 2 norm 4.8133 3.0629 .11102E-06 -.21116E-03 3 Prefactor 14.189 3.8612 -.60112E-07 -.63921E-04 4 Prefactor 4.5158 5.5594 .85618E-07 .10979E-03 5 Prefactor 1.7521 3.6817 .93291E-07 -.35317E-03 6 Prefactor 13.283 6.3100 -.31168E-07 -.31832E-03 7 Prefactor .0000 6.6031 -.15717E-06** at limit ** 8 Prefactor .79653 1.6469 -.10099E-06 .10630E-03 9 Prefactor 7.9520 1.1619 -.47568E-09 -.35928E-02 10 norm 6.3948 2.2905 -.14004E-08 -.18476E-03 11 norm .0000 4.2268 -.65372E-07** at limit ** 12 Prefactor .0000 15.489 .27001E-06** at limit ** 13 Prefactor 3.8544 5.7243 -.22987E-06 -.31320E-03 14 norm .0000 .11601 -.74427E-07** at limit ** 15 norm 3.9214 1.7047 .12236E-06 .71502E-04 16 Prefactor 15.630 25.820 -.90118E-06 -.13428E-03 17 Prefactor 12.499 6.6883 -.16887E-06 -.46905E-03 18 norm .0000 1.5811 .41513E-06** at limit ** 19 Prefactor 15.146 12.482 -.22641E-06 .81721E-03 20 Prefactor 1.4304 3.7584 .25832E-06 -.35555E-03 21 Normalizat .94673 .12791 -.66098E-06 -.19099E-04 22 Prefactor .95089 .95962E-01 .71937E-06 -.17320E-04 ERR DEF= .500 Final values: Prefactor = 35.7637 norm = 4.81328 Prefactor = 14.1895 Prefactor = 4.51583 Prefactor = 1.75206 Prefactor = 13.2831 Prefactor = 0 Prefactor = 0.796526 Prefactor = 7.95203 norm = 6.39479 norm = 0 Prefactor = 0 Prefactor = 3.85436 norm = 0 norm = 3.92139 Prefactor = 15.6302 Prefactor = 12.4985 norm = 0 Prefactor = 15.1462 Prefactor = 1.43037 Normalizat = 0.946732 Prefactor = 0.95089 source GAL_V02 Working on... /lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits.....................! real 57.24 user 55.23 sys 1.06 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits', '/lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits', expMap='/lscratch/kocevski/28187742/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', expCube='/lscratch/kocevski/28187742/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28187742/Model_4FGL_J2228.6-1636_weekly_bin931.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2228.6-1636' 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 6.423e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28187742/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits Spacecraft file(s): /lscratch/kocevski/28187742/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Exposure map: /lscratch/kocevski/28187742/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits Exposure cube: /lscratch/kocevski/28187742/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28187742/Model_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.9260437 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8710089 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 35.748 1.0000 .0000 .10000E+07 2 'norm ' 4.8262 1.0000 .0000 .10000E+07 3 'Prefactor ' 14.177 1.0000 .0000 .10000E+07 4 'Prefactor ' 4.5099 1.0000 .0000 .10000E+07 5 'Prefactor ' 1.7366 1.0000 .0000 .10000E+07 6 'Prefactor ' 13.286 1.0000 .0000 .10000E+07 7 'Prefactor ' .15771E-04 1.0000 .0000 .10000E+07 8 'Prefactor ' .79519 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.9496 1.0000 .0000 .10000E+07 10 'norm ' 6.3949 1.0000 .0000 .10000E+07 11 'norm ' .22469E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .85336E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 3.9027 1.0000 .0000 .10000E+07 14 'norm ' .47740E-07 1.0000 .0000 .10000E+07 15 'norm ' 3.9627 1.0000 .0000 .10000E+07 16 'Prefactor ' 14.522 1.0000 .0000 .10000E+07 17 'Prefactor ' 12.560 1.0000 .0000 .10000E+07 18 'norm ' .22204E-09 1.0000 .0000 .10000E+07 19 'Prefactor ' 14.845 1.0000 .0000 .10000E+07 20 'Prefactor ' 1.4282 1.0000 .0000 .10000E+07 21 'Normalizat' .94774 1.0000 .10000E-01 10.000 22 'Prefactor ' .95048 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 19461.87 FROM MIGRAD STATUS=CONVERGED 161 CALLS 1440 TOTAL EDM= .81E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 35.764 1.7046 -.40576E-08 -.15275E-01 2 norm 4.8133 3.0629 .11102E-06 -.21116E-03 3 Prefactor 14.189 3.8612 -.60112E-07 -.63921E-04 4 Prefactor 4.5158 5.5594 .85618E-07 .10979E-03 5 Prefactor 1.7521 3.6817 .93291E-07 -.35317E-03 6 Prefactor 13.283 6.3100 -.31168E-07 -.31832E-03 7 Prefactor .0000 6.6031 -.15717E-06** at limit ** 8 Prefactor .79653 1.6469 -.10099E-06 .10630E-03 9 Prefactor 7.9520 1.1619 -.47568E-09 -.35928E-02 10 norm 6.3948 2.2905 -.14004E-08 -.18476E-03 11 norm .0000 4.2268 -.65372E-07** at limit ** 12 Prefactor .0000 15.489 .27001E-06** at limit ** 13 Prefactor 3.8544 5.7243 -.22987E-06 -.31320E-03 14 norm .0000 .11601 -.74427E-07** at limit ** 15 norm 3.9214 1.7047 .12236E-06 .71502E-04 16 Prefactor 15.630 25.820 -.90118E-06 -.13428E-03 17 Prefactor 12.499 6.6883 -.16887E-06 -.46905E-03 18 norm .0000 1.5811 .41513E-06** at limit ** 19 Prefactor 15.146 12.482 -.22641E-06 .81721E-03 20 Prefactor 1.4304 3.7584 .25832E-06 -.35555E-03 21 Normalizat .94673 .12791 -.66098E-06 -.19099E-04 22 Prefactor .95089 .95962E-01 .71937E-06 -.17320E-04 ERR DEF= .500 Final values: Prefactor = 35.7637 norm = 4.81328 Prefactor = 14.1895 Prefactor = 4.51583 Prefactor = 1.75206 Prefactor = 13.2831 Prefactor = 0 Prefactor = 0.796526 Prefactor = 7.95203 norm = 6.39479 norm = 0 Prefactor = 0 Prefactor = 3.85436 norm = 0 norm = 3.92139 Prefactor = 15.6302 Prefactor = 12.4985 norm = 0 Prefactor = 15.1462 Prefactor = 1.43037 Normalizat = 0.946732 Prefactor = 0.95089 ********** ** 18 **HESSE ********** FCN= 19461.87 FROM HESSE STATUS=OK 402 CALLS 1842 TOTAL EDM= .44E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 35.764 10.818 .16727E-03 -1.5588 2 norm 4.8133 3.0695 .45769E-03 -1.5664 3 Prefactor 14.189 3.8874 .26576E-03 -1.5633 4 Prefactor 4.5158 5.6133 .47385E-03 -1.5665 5 Prefactor 1.7521 3.7135 .79600E-03 -1.5681 6 Prefactor 13.283 6.3085 .27455E-03 -1.5635 7 Prefactor .0000 6.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .79653 1.6605 .53294E-03 -1.5690 9 Prefactor 7.9520 18.057 .35538E-03 -1.5652 10 norm 6.3948 2.2975 .39666E-03 -1.5657 11 norm .0000 4.2178 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 15.502 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 3.8544 5.7431 .51047E-03 -1.5669 14 norm .0000 .11345 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm 3.9214 1.6943 .50646E-03 -1.5668 16 Prefactor 15.630 25.597 .26257E-03 -1.5629 17 Prefactor 12.499 7.7726 .28239E-03 -1.5637 18 norm .0000 .21119 .29515E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor 15.146 12.616 .25969E-03 -1.5630 20 Prefactor 1.4304 3.7874 .90389E-03 -1.5684 21 Normalizat .94673 .10975 .45509E-01 -.94837 22 Prefactor .95089 .81935E-01 .45645E-01 -.94385 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.40803e-06 Minuit parameter uncertainties: 1 10.8175 2 3.06945 3 3.88737 4 5.61328 5 3.71347 6 6.30847 7 5.05466e-06 8 1.66052 9 18.0568 10 2.29745 11 6.06287e-07 12 9.81589e-06 13 5.74311 14 1.4604e-07 15 1.69426 16 25.5977 17 7.77264 18 2.35093e-07 19 12.6164 20 3.78738 21 0.10978 22 0.0819457 ********** ** 18 **HESSE ********** FCN= 19461.87 FROM HESSE STATUS=OK 402 CALLS 1842 TOTAL EDM= .44E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 35.764 10.818 .16727E-03 -1.5588 2 norm 4.8133 3.0695 .45769E-03 -1.5664 3 Prefactor 14.189 3.8874 .26576E-03 -1.5633 4 Prefactor 4.5158 5.6133 .47385E-03 -1.5665 5 Prefactor 1.7521 3.7135 .79600E-03 -1.5681 6 Prefactor 13.283 6.3085 .27455E-03 -1.5635 7 Prefactor .0000 6.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .79653 1.6605 .53294E-03 -1.5690 9 Prefactor 7.9520 18.057 .35538E-03 -1.5652 10 norm 6.3948 2.2975 .39666E-03 -1.5657 11 norm .0000 4.2178 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 15.502 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 3.8544 5.7431 .51047E-03 -1.5669 14 norm .0000 .11345 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm 3.9214 1.6943 .50646E-03 -1.5668 16 Prefactor 15.630 25.597 .26257E-03 -1.5629 17 Prefactor 12.499 7.7726 .28239E-03 -1.5637 18 norm .0000 .21119 .29515E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor 15.146 12.616 .25969E-03 -1.5630 20 Prefactor 1.4304 3.7874 .90389E-03 -1.5684 21 Normalizat .94673 .10975 .45509E-01 -.94837 22 Prefactor .95089 .81935E-01 .45645E-01 -.94385 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.40803e-06 Minuit parameter uncertainties: 1 10.8175 2 3.06945 3 3.88737 4 5.61328 5 3.71347 6 6.30847 7 5.05466e-06 8 1.66052 9 18.0568 10 2.29745 11 6.06287e-07 12 9.81589e-06 13 5.74311 14 1.4604e-07 15 1.69426 16 25.5977 17 7.77264 18 2.35093e-07 19 12.6164 20 3.78738 21 0.10978 22 0.0819457 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8697562 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 7.952e+00 1.806e+01 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.509e-01 8.195e-02 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.467e-01 1.098e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.25 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.03891058893e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00228994926232 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28187732/likelihoodResults_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.3517026 delta logL = 0.518053603741 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19461.1402262 delta logL = 0.729530059863 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .86856E-02 1.0000 .0000 .10000E+07 2 'Index ' 5.4317 1.0000 .0000 10.000 3 'Normalizat' .89703 1.0000 .10000E-01 10.000 4 'Prefactor ' .97716 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM MIGRAD STATUS=CONVERGED 47 CALLS 305 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .73799 .42118E-03** at limit ** 2 Index .12426 .22242 .28283E-04 .0000 3 Normalizat .94811 1.2639 .49210E-05 -.23599E-03 4 Prefactor .95268 1.3029 -.70442E-06 -.24226E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.124258 Normalizat = 0.948111 Prefactor = 0.952682 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM HESSE STATUS=FAILED 9 CALLS 314 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .73799 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .20394 .22242 .28283E-04 -1.3474 3 Normalizat .94811 1.2639 .49210E-05 -.94790 4 Prefactor .95268 1.3029 -.70442E-06 -.94324 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.18989e-11 Minuit parameter uncertainties: 1 7.41558e-06 2 0.22394 3 1.30735 4 1.34993 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) = 19461.991241 delta logL = -0.121484805564 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 7.416e-06 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 1.243e-01 2.239e-01 0.000e+00 1.000e+01 (-1.000e+00) 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.527e-01 1.350e+00 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.481e-01 1.307e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.25 Ra Dec: 337.166 -16.607 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/28187732/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.29e-03', job_status='DONE', photon_flux_upper_limit='3.04e-08', time_completed='2026-06-09 20:21:05.790559', job_id='28187732', GAL2='0.95', fit_tolerance='1e-08', EG2='0.95', EG='0.95', time_epoch_completed='1781061665.79', return_code2='101', ts='0.25', comment='SUCCESS', return_code='0', GAL='0.95', dlogl='-1.21e-01', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='931' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jun 9 20:21:06 PDT 2026 source GAL_V02 Working on... /lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits.....................! real 49.82 user 48.04 sys 0.90 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits', '/lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits', expMap='/lscratch/kocevski/28187826/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', expCube='/lscratch/kocevski/28187826/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/28187826/Model_4FGL_J2228.6-1636_weekly_bin931.xml', optimizer='MINUIT') Using source of interest name: '4FGL J2228.6-1636' 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 6.423e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/28187826/ft1_filtered_4FGL_J2228.6-1636_weekly_bin931.fits Spacecraft file(s): /lscratch/kocevski/28187826/ft2_4FGL_J2228.6-1636_weekly_bin931.fits Exposure map: /lscratch/kocevski/28187826/expmap_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits Exposure cube: /lscratch/kocevski/28187826/ltcube_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/28187826/Model_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.9260437 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8710089 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 35.748 1.0000 .0000 .10000E+07 2 'norm ' 4.8262 1.0000 .0000 .10000E+07 3 'Prefactor ' 14.177 1.0000 .0000 .10000E+07 4 'Prefactor ' 4.5099 1.0000 .0000 .10000E+07 5 'Prefactor ' 1.7366 1.0000 .0000 .10000E+07 6 'Prefactor ' 13.286 1.0000 .0000 .10000E+07 7 'Prefactor ' .15771E-04 1.0000 .0000 .10000E+07 8 'Prefactor ' .79519 1.0000 .0000 .10000E+07 9 'Prefactor ' 7.9496 1.0000 .0000 .10000E+07 10 'norm ' 6.3949 1.0000 .0000 .10000E+07 11 'norm ' .22469E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .85336E-03 1.0000 .0000 .10000E+07 13 'Prefactor ' 3.9027 1.0000 .0000 .10000E+07 14 'norm ' .47740E-07 1.0000 .0000 .10000E+07 15 'norm ' 3.9627 1.0000 .0000 .10000E+07 16 'Prefactor ' 14.522 1.0000 .0000 .10000E+07 17 'Prefactor ' 12.560 1.0000 .0000 .10000E+07 18 'norm ' .22204E-09 1.0000 .0000 .10000E+07 19 'Prefactor ' 14.845 1.0000 .0000 .10000E+07 20 'Prefactor ' 1.4282 1.0000 .0000 .10000E+07 21 'Normalizat' .94774 1.0000 .10000E-01 10.000 22 'Prefactor ' .95048 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 19461.87 FROM MIGRAD STATUS=CONVERGED 161 CALLS 1440 TOTAL EDM= .81E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= .7% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 35.764 1.7046 -.40576E-08 -.15275E-01 2 norm 4.8133 3.0629 .11102E-06 -.21116E-03 3 Prefactor 14.189 3.8612 -.60112E-07 -.63921E-04 4 Prefactor 4.5158 5.5594 .85618E-07 .10979E-03 5 Prefactor 1.7521 3.6817 .93291E-07 -.35317E-03 6 Prefactor 13.283 6.3100 -.31168E-07 -.31832E-03 7 Prefactor .0000 6.6031 -.15717E-06** at limit ** 8 Prefactor .79653 1.6469 -.10099E-06 .10630E-03 9 Prefactor 7.9520 1.1619 -.47568E-09 -.35928E-02 10 norm 6.3948 2.2905 -.14004E-08 -.18476E-03 11 norm .0000 4.2268 -.65372E-07** at limit ** 12 Prefactor .0000 15.489 .27001E-06** at limit ** 13 Prefactor 3.8544 5.7243 -.22987E-06 -.31320E-03 14 norm .0000 .11601 -.74427E-07** at limit ** 15 norm 3.9214 1.7047 .12236E-06 .71502E-04 16 Prefactor 15.630 25.820 -.90118E-06 -.13428E-03 17 Prefactor 12.499 6.6883 -.16887E-06 -.46905E-03 18 norm .0000 1.5811 .41513E-06** at limit ** 19 Prefactor 15.146 12.482 -.22641E-06 .81721E-03 20 Prefactor 1.4304 3.7584 .25832E-06 -.35555E-03 21 Normalizat .94673 .12791 -.66098E-06 -.19099E-04 22 Prefactor .95089 .95962E-01 .71937E-06 -.17320E-04 ERR DEF= .500 Final values: Prefactor = 35.7637 norm = 4.81328 Prefactor = 14.1895 Prefactor = 4.51583 Prefactor = 1.75206 Prefactor = 13.2831 Prefactor = 0 Prefactor = 0.796526 Prefactor = 7.95203 norm = 6.39479 norm = 0 Prefactor = 0 Prefactor = 3.85436 norm = 0 norm = 3.92139 Prefactor = 15.6302 Prefactor = 12.4985 norm = 0 Prefactor = 15.1462 Prefactor = 1.43037 Normalizat = 0.946732 Prefactor = 0.95089 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8697562 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 7.952e+00 1.806e+01 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.509e-01 8.195e-02 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.467e-01 1.098e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.25 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.03891058893e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00228994926232 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28187742/likelihoodResults_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.3517026 delta logL = 0.518053603741 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19461.1402262 delta logL = 0.729530059863 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .86856E-02 1.0000 .0000 .10000E+07 2 'Index ' 5.4317 1.0000 .0000 10.000 3 'Normalizat' .89703 1.0000 .10000E-01 10.000 4 'Prefactor ' .97716 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM MIGRAD STATUS=CONVERGED 47 CALLS 305 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .73799 .42118E-03** at limit ** 2 Index .12426 .22242 .28283E-04 .0000 3 Normalizat .94811 1.2639 .49210E-05 -.23599E-03 4 Prefactor .95268 1.3029 -.70442E-06 -.24226E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.124258 Normalizat = 0.948111 Prefactor = 0.952682 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM HESSE STATUS=FAILED 9 CALLS 314 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .73799 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .20394 .22242 .28283E-04 -1.3474 3 Normalizat .94811 1.2639 .49210E-05 -.94790 4 Prefactor .95268 1.3029 -.70442E-06 -.94324 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.18989e-11 Minuit parameter uncertainties: 1 7.41558e-06 2 0.22394 3 1.30735 4 1.34993 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) = 19461.991241 delta logL = -0.121484805564 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 7.416e-06 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 1.243e-01 2.239e-01 0.000e+00 1.000e+01 (-1.000e+00) 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.527e-01 1.350e+00 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.481e-01 1.307e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.25 Ra Dec: 337.166 -16.607 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/28187742/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.29e-03', job_status='DONE', photon_flux_upper_limit='3.04e-08', time_completed='2026-06-09 20:21:36.254386', job_id='28187742', GAL2='0.95', fit_tolerance='1e-08', EG2='0.95', EG='0.95', time_epoch_completed='1781061696.25', return_code2='101', ts='0.25', comment='SUCCESS', return_code='0', GAL='0.95', dlogl='-1.21e-01', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='931' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jun 9 20:21:36 PDT 2026 ********** ** 18 **HESSE ********** FCN= 19461.87 FROM HESSE STATUS=OK 402 CALLS 1842 TOTAL EDM= .44E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 35.764 10.818 .16727E-03 -1.5588 2 norm 4.8133 3.0695 .45769E-03 -1.5664 3 Prefactor 14.189 3.8874 .26576E-03 -1.5633 4 Prefactor 4.5158 5.6133 .47385E-03 -1.5665 5 Prefactor 1.7521 3.7135 .79600E-03 -1.5681 6 Prefactor 13.283 6.3085 .27455E-03 -1.5635 7 Prefactor .0000 6.5899 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .79653 1.6605 .53294E-03 -1.5690 9 Prefactor 7.9520 18.057 .35538E-03 -1.5652 10 norm 6.3948 2.2975 .39666E-03 -1.5657 11 norm .0000 4.2178 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .0000 15.502 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 3.8544 5.7431 .51047E-03 -1.5669 14 norm .0000 .11345 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 norm 3.9214 1.6943 .50646E-03 -1.5668 16 Prefactor 15.630 25.597 .26257E-03 -1.5629 17 Prefactor 12.499 7.7726 .28239E-03 -1.5637 18 norm .0000 .21119 .29515E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 19 Prefactor 15.146 12.616 .25969E-03 -1.5630 20 Prefactor 1.4304 3.7874 .90389E-03 -1.5684 21 Normalizat .94673 .10975 .45509E-01 -.94837 22 Prefactor .95089 .81935E-01 .45645E-01 -.94385 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.40803e-06 Minuit parameter uncertainties: 1 10.8175 2 3.06945 3 3.88737 4 5.61328 5 3.71347 6 6.30847 7 5.05466e-06 8 1.66052 9 18.0568 10 2.29745 11 6.06287e-07 12 9.81589e-06 13 5.74311 14 1.4604e-07 15 1.69426 16 25.5977 17 7.77264 18 2.35093e-07 19 12.6164 20 3.78738 21 0.10978 22 0.0819457 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 19461.8697562 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 7.952e+00 1.806e+01 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 2.058e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.509e-01 8.195e-02 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.467e-01 1.098e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): 0.25 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.03891058893e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00228994926232 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/28187826/likelihoodResults_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.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) = 19461.3517026 delta logL = 0.518053603741 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 19461.1402262 delta logL = 0.729530059863 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .86856E-02 1.0000 .0000 .10000E+07 2 'Index ' 5.4317 1.0000 .0000 10.000 3 'Normalizat' .89703 1.0000 .10000E-01 10.000 4 'Prefactor ' .97716 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .4880E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM MIGRAD STATUS=CONVERGED 47 CALLS 305 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 .73799 .42118E-03** at limit ** 2 Index .12426 .22242 .28283E-04 .0000 3 Normalizat .94811 1.2639 .49210E-05 -.23599E-03 4 Prefactor .95268 1.3029 -.70442E-06 -.24226E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.124258 Normalizat = 0.948111 Prefactor = 0.952682 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 19461.99 FROM HESSE STATUS=FAILED 9 CALLS 314 TOTAL EDM= .72E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 .73799 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .20394 .22242 .28283E-04 -1.3474 3 Normalizat .94811 1.2639 .49210E-05 -.94790 4 Prefactor .95268 1.3029 -.70442E-06 -.94324 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 7.18989e-11 Minuit parameter uncertainties: 1 7.41558e-06 2 0.22394 3 1.30735 4 1.34993 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) = 19461.991241 delta logL = -0.121484805564 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 7.416e-06 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 1.243e-01 2.239e-01 0.000e+00 1.000e+01 (-1.000e+00) 230 Scale: 2.181e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 485 Prefactor: 9.527e-01 1.350e+00 0.000e+00 1.000e+01 ( 1.000e+00) 486 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 487 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 484 Normalization: 9.481e-01 1.307e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): 0.25 Ra Dec: 337.166 -16.607 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/28187826/cmap_HighResolution_802051201_802656001_4FGL_J2228.6-1636_weekly_bin931.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.29e-03', job_status='DONE', photon_flux_upper_limit='3.04e-08', time_completed='2026-06-09 20:22:44.839030', job_id='28187826', GAL2='0.95', fit_tolerance='1e-08', EG2='0.95', EG='0.95', time_epoch_completed='1781061764.84', return_code2='101', ts='0.25', comment='SUCCESS', return_code='0', GAL='0.95', dlogl='-1.21e-01', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='931' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jun 9 20:22:45 PDT 2026