********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13945.47 FROM HESSE STATUS=FAILED 9 CALLS 373 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 4.9133 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .95999E-02 .88098 -.11150E-05 -1389.6 3 Normalizat 1.0434 1.3487 .62541E-05 237.85 4 Prefactor .97896 1.2480 .20159E-05 -460.88 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.51582e-11 Minuit parameter uncertainties: 1 1.02297e-05 2 0.575655 3 1.39731 4 1.28792 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) = 13945.4684777 delta logL = 2.36468622461e-11 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 1.023e-05 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 7.958e-01 5.757e-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: 9.790e-01 1.288e+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: 1.043e+00 1.397e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 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/32679286/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.66e-03', job_status='DONE', photon_flux_upper_limit='3.54e-08', time_completed='2026-07-21 19:46:35.107900', job_id='32679286', GAL2='0.98', fit_tolerance='1e-08', EG2='1.04', EG='1.04', time_epoch_completed='1784688395.11', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='2.36e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='937' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 19:46:35 PDT 2026 source GAL_V02 Working on... /lscratch/kocevski/32679280/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits.....................! real 42.00 user 40.14 sys 0.98 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32679280/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits', '/lscratch/kocevski/32679280/ft2_4FGL_J2228.6-1636_weekly_bin937.fits', expMap='/lscratch/kocevski/32679280/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', expCube='/lscratch/kocevski/32679280/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32679280/Model_4FGL_J2228.6-1636_weekly_bin937.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/32679280/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits Spacecraft file(s): /lscratch/kocevski/32679280/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Exposure map: /lscratch/kocevski/32679280/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits Exposure cube: /lscratch/kocevski/32679280/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32679280/Model_4FGL_J2228.6-1636_weekly_bin937.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) = 13945.533339 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4695078 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 14.861 1.0000 .0000 .10000E+07 2 'norm ' .97700E-08 1.0000 .0000 .10000E+07 3 'Prefactor ' .63682E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 3.9341 1.0000 .0000 .10000E+07 5 'Prefactor ' .56130E-05 1.0000 .0000 .10000E+07 6 'Prefactor ' .20189E-04 1.0000 .0000 .10000E+07 7 'Prefactor ' .42824E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' 2.9834 1.0000 .0000 .10000E+07 9 'Prefactor ' .28080E-03 1.0000 .0000 .10000E+07 10 'norm ' 3.8266 1.0000 .0000 .10000E+07 11 'norm ' .17495E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .99191 1.0000 .0000 .10000E+07 13 'Prefactor ' 14.104 1.0000 .0000 .10000E+07 14 'norm ' .94134 1.0000 .0000 .10000E+07 15 'norm ' 1.9896 1.0000 .0000 .10000E+07 16 'Prefactor ' .33691E-01 1.0000 .0000 .10000E+07 17 'Prefactor ' .10556E-05 1.0000 .0000 .10000E+07 18 'norm ' .99491 1.0000 .0000 .10000E+07 19 'Prefactor ' 17.706 1.0000 .0000 .10000E+07 20 'Prefactor ' .18603E-03 1.0000 .0000 .10000E+07 21 'Normalizat' 1.0424 1.0000 .10000E-01 10.000 22 'Prefactor ' .97909 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 167 CALLS 1435 TOTAL EDM= .67E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 14.652 11.585 -.52657E-06 -.61805E-02 2 norm .0000 .84742 -.86245E-07** at limit ** 3 Prefactor .22204E-09 1.8171 .65710E-06** at limit ** 4 Prefactor 4.0309 11.948 .11861E-05 .12069E-03 5 Prefactor .0000 1.9471 .18900E-06** at limit ** 6 Prefactor .11657E-08 10.054 .20092E-05** at limit ** 7 Prefactor .11102E-09 3.3202 .95321E-07** at limit ** 8 Prefactor 2.9892 3.2075 .40898E-06 .39284E-02 9 Prefactor .38858E-09 20.588 .21362E-06** at limit ** 10 norm 3.8322 2.3905 .38657E-06 .84369E-02 11 norm .55511E-10 3.8379 -.11953E-05** at limit ** 12 Prefactor .94524E-06 5017.8 .12891E-04** at limit ** 13 Prefactor 14.040 8.8947 -.57814E-06 .15000E-03 14 norm .94110 .48790 .32064E-07 .10233E-01 15 norm 1.9903 1.2733 -.26235E-07 -.89889E-02 16 Prefactor .24569E-05 8.0369 -.20536E-06** at limit ** 17 Prefactor .99920E-09 3.5586 .76780E-06** at limit ** 18 norm .99990 .58761 .51059E-07 -.32496E-02 19 Prefactor 17.335 16.167 -.85970E-06 .35552E-02 20 Prefactor .27756E-09 2.7276 .53767E-07** at limit ** 21 Normalizat 1.0434 .15709 .31982E-05 .49816E-03 22 Prefactor .97896 .11730 .37134E-05 .50243E-03 ERR DEF= .500 Final values: Prefactor = 14.6518 norm = 0 Prefactor = 2.22045e-10 Prefactor = 4.03092 Prefactor = 0 Prefactor = 1.16573e-09 Prefactor = 1.11022e-10 Prefactor = 2.98915 Prefactor = 3.88578e-10 norm = 3.83216 norm = 5.55112e-11 Prefactor = 9.45244e-07 Prefactor = 14.0401 norm = 0.941104 norm = 1.99028 Prefactor = 2.45687e-06 Prefactor = 9.99201e-10 norm = 0.999896 Prefactor = 17.3355 Prefactor = 2.77556e-10 Normalizat = 1.04336 Prefactor = 0.978962 /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) source GAL_V02 Working on... /lscratch/kocevski/32679417/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits.....................! real 37.10 user 35.38 sys 0.85 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32679417/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits', '/lscratch/kocevski/32679417/ft2_4FGL_J2228.6-1636_weekly_bin937.fits', expMap='/lscratch/kocevski/32679417/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', expCube='/lscratch/kocevski/32679417/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32679417/Model_4FGL_J2228.6-1636_weekly_bin937.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/32679417/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits Spacecraft file(s): /lscratch/kocevski/32679417/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Exposure map: /lscratch/kocevski/32679417/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits Exposure cube: /lscratch/kocevski/32679417/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32679417/Model_4FGL_J2228.6-1636_weekly_bin937.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) = 13945.533339 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4695078 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 14.861 1.0000 .0000 .10000E+07 2 'norm ' .97700E-08 1.0000 .0000 .10000E+07 3 'Prefactor ' .63682E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 3.9341 1.0000 .0000 .10000E+07 5 'Prefactor ' .56130E-05 1.0000 .0000 .10000E+07 6 'Prefactor ' .20189E-04 1.0000 .0000 .10000E+07 7 'Prefactor ' .42824E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' 2.9834 1.0000 .0000 .10000E+07 9 'Prefactor ' .28080E-03 1.0000 .0000 .10000E+07 10 'norm ' 3.8266 1.0000 .0000 .10000E+07 11 'norm ' .17495E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .99191 1.0000 .0000 .10000E+07 13 'Prefactor ' 14.104 1.0000 .0000 .10000E+07 14 'norm ' .94134 1.0000 .0000 .10000E+07 15 'norm ' 1.9896 1.0000 .0000 .10000E+07 16 'Prefactor ' .33691E-01 1.0000 .0000 .10000E+07 17 'Prefactor ' .10556E-05 1.0000 .0000 .10000E+07 18 'norm ' .99491 1.0000 .0000 .10000E+07 19 'Prefactor ' 17.706 1.0000 .0000 .10000E+07 20 'Prefactor ' .18603E-03 1.0000 .0000 .10000E+07 21 'Normalizat' 1.0424 1.0000 .10000E-01 10.000 22 'Prefactor ' .97909 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 167 CALLS 1435 TOTAL EDM= .67E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 14.652 11.585 -.52657E-06 -.61805E-02 2 norm .0000 .84742 -.86245E-07** at limit ** 3 Prefactor .22204E-09 1.8171 .65710E-06** at limit ** 4 Prefactor 4.0309 11.948 .11861E-05 .12069E-03 5 Prefactor .0000 1.9471 .18900E-06** at limit ** 6 Prefactor .11657E-08 10.054 .20092E-05** at limit ** 7 Prefactor .11102E-09 3.3202 .95321E-07** at limit ** 8 Prefactor 2.9892 3.2075 .40898E-06 .39284E-02 9 Prefactor .38858E-09 20.588 .21362E-06** at limit ** 10 norm 3.8322 2.3905 .38657E-06 .84369E-02 11 norm .55511E-10 3.8379 -.11953E-05** at limit ** 12 Prefactor .94524E-06 5017.8 .12891E-04** at limit ** 13 Prefactor 14.040 8.8947 -.57814E-06 .15000E-03 14 norm .94110 .48790 .32064E-07 .10233E-01 15 norm 1.9903 1.2733 -.26235E-07 -.89889E-02 16 Prefactor .24569E-05 8.0369 -.20536E-06** at limit ** 17 Prefactor .99920E-09 3.5586 .76780E-06** at limit ** 18 norm .99990 .58761 .51059E-07 -.32496E-02 19 Prefactor 17.335 16.167 -.85970E-06 .35552E-02 20 Prefactor .27756E-09 2.7276 .53767E-07** at limit ** 21 Normalizat 1.0434 .15709 .31982E-05 .49816E-03 22 Prefactor .97896 .11730 .37134E-05 .50243E-03 ERR DEF= .500 Final values: Prefactor = 14.6518 norm = 0 Prefactor = 2.22045e-10 Prefactor = 4.03092 Prefactor = 0 Prefactor = 1.16573e-09 Prefactor = 1.11022e-10 Prefactor = 2.98915 Prefactor = 3.88578e-10 norm = 3.83216 norm = 5.55112e-11 Prefactor = 9.45244e-07 Prefactor = 14.0401 norm = 0.941104 norm = 1.99028 Prefactor = 2.45687e-06 Prefactor = 9.99201e-10 norm = 0.999896 Prefactor = 17.3355 Prefactor = 2.77556e-10 Normalizat = 1.04336 Prefactor = 0.978962 WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). ********** ** 18 **HESSE ********** FCN= 13945.47 FROM HESSE STATUS=OK 396 CALLS 1831 TOTAL EDM= .50E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 14.652 11.787 .25955E-03 -1.5631 2 norm .0000 .84953 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor .22204E-09 4.3273 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 4.0309 12.162 .50837E-03 -1.5668 5 Prefactor .0000 1.9492 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .11657E-08 10.077 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .11102E-09 3.3346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 2.9892 3.2521 .58751E-03 -1.5673 9 Prefactor .38858E-09 20.590 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.8322 2.4226 .51571E-03 -1.5669 11 norm .55511E-10 3.9879 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .94524E-06 33.756 .17814E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 14.040 10.289 .26644E-03 -1.5633 14 norm .94110 .48898 .42943E-03 -1.5689 15 norm 1.9903 1.3687 .73426E-03 -1.5680 16 Prefactor .24569E-05 19.420 .16262E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor .99920E-09 4.1863 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm .99990 .59200 .43585E-03 -1.5688 19 Prefactor 17.335 16.335 .23775E-03 -1.5625 20 Prefactor .27756E-09 2.7303 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Normalizat 1.0434 .13159 .61483E-01 -.91592 22 Prefactor .97896 .97542E-01 .46005E-01 -.93434 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.96572e-09 Minuit parameter uncertainties: 1 11.7874 2 2.98021e-06 3 6.24742e-05 4 12.1616 5 1.37185e-05 6 0.000217895 7 3.47146e-05 8 3.25211 9 0.000184913 10 2.4226 11 2.32079e-05 12 0.0112975 13 10.2887 14 0.488975 15 1.36875 16 0.013815 17 0.000128067 18 0.592001 19 16.3354 20 5.56254e-05 21 0.131631 22 0.0975592 ********** ** 18 **HESSE ********** FCN= 13945.47 FROM HESSE STATUS=OK 396 CALLS 1831 TOTAL EDM= .50E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 14.652 11.787 .25955E-03 -1.5631 2 norm .0000 .84953 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor .22204E-09 4.3273 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 4.0309 12.162 .50837E-03 -1.5668 5 Prefactor .0000 1.9492 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .11657E-08 10.077 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .11102E-09 3.3346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 2.9892 3.2521 .58751E-03 -1.5673 9 Prefactor .38858E-09 20.590 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.8322 2.4226 .51571E-03 -1.5669 11 norm .55511E-10 3.9879 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .94524E-06 33.756 .17814E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 14.040 10.289 .26644E-03 -1.5633 14 norm .94110 .48898 .42943E-03 -1.5689 15 norm 1.9903 1.3687 .73426E-03 -1.5680 16 Prefactor .24569E-05 19.420 .16262E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor .99920E-09 4.1863 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm .99990 .59200 .43585E-03 -1.5688 19 Prefactor 17.335 16.335 .23775E-03 -1.5625 20 Prefactor .27756E-09 2.7303 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Normalizat 1.0434 .13159 .61483E-01 -.91592 22 Prefactor .97896 .97542E-01 .46005E-01 -.93434 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.96572e-09 Minuit parameter uncertainties: 1 11.7874 2 2.98021e-06 3 6.24742e-05 4 12.1616 5 1.37185e-05 6 0.000217895 7 3.47146e-05 8 3.25211 9 0.000184913 10 2.4226 11 2.32079e-05 12 0.0112975 13 10.2887 14 0.488975 15 1.36875 16 0.013815 17 0.000128067 18 0.592001 19 16.3354 20 5.56254e-05 21 0.131631 22 0.0975592 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4684777 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 3.886e-10 1.849e-04 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: 9.790e-01 9.756e-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: 1.043e+00 1.316e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.53503172815e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00266379778585 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32679280/likelihoodResults_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13945.4918786 delta logL = -0.0234008626285 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13944.7359575 delta logL = 0.732520188254 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .44928E-03 1.0000 .0000 .10000E+07 2 'Index ' 6.5636 1.0000 .0000 10.000 3 'Normalizat' .98112 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0099 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 103 CALLS 364 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 4.9133 .42118E-03** at limit ** 2 Index .79584 .57132 -.11150E-05 .0000 3 Normalizat 1.0434 1.3487 .62541E-05 .40444E-03 4 Prefactor .97896 1.2480 .20159E-05 -.57528E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.795838 Normalizat = 1.04336 Prefactor = 0.978963 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13945.47 FROM HESSE STATUS=FAILED 9 CALLS 373 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 4.9133 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .95999E-02 .88098 -.11150E-05 -1389.6 3 Normalizat 1.0434 1.3487 .62541E-05 237.85 4 Prefactor .97896 1.2480 .20159E-05 -460.88 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.51582e-11 Minuit parameter uncertainties: 1 1.02297e-05 2 0.575655 3 1.39731 4 1.28792 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) = 13945.4684777 delta logL = 2.36468622461e-11 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 1.023e-05 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 7.958e-01 5.757e-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: 9.790e-01 1.288e+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: 1.043e+00 1.397e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 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/32679280/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.66e-03', job_status='DONE', photon_flux_upper_limit='3.54e-08', time_completed='2026-07-21 19:48:01.146451', job_id='32679280', GAL2='0.98', fit_tolerance='1e-08', EG2='1.04', EG='1.04', time_epoch_completed='1784688481.15', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='2.36e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='937' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 19:48:01 PDT 2026 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4684777 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 3.886e-10 1.849e-04 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: 9.790e-01 9.756e-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: 1.043e+00 1.316e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.53503172815e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00266379778585 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32679417/likelihoodResults_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13945.4918786 delta logL = -0.0234008626285 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13944.7359575 delta logL = 0.732520188254 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .44928E-03 1.0000 .0000 .10000E+07 2 'Index ' 6.5636 1.0000 .0000 10.000 3 'Normalizat' .98112 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0099 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 103 CALLS 364 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 4.9133 .42118E-03** at limit ** 2 Index .79584 .57132 -.11150E-05 .0000 3 Normalizat 1.0434 1.3487 .62541E-05 .40444E-03 4 Prefactor .97896 1.2480 .20159E-05 -.57528E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.795838 Normalizat = 1.04336 Prefactor = 0.978963 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13945.47 FROM HESSE STATUS=FAILED 9 CALLS 373 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 4.9133 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .95999E-02 .88098 -.11150E-05 -1389.6 3 Normalizat 1.0434 1.3487 .62541E-05 237.85 4 Prefactor .97896 1.2480 .20159E-05 -460.88 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.51582e-11 Minuit parameter uncertainties: 1 1.02297e-05 2 0.575655 3 1.39731 4 1.28792 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) = 13945.4684777 delta logL = 2.36468622461e-11 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 1.023e-05 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 7.958e-01 5.757e-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: 9.790e-01 1.288e+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: 1.043e+00 1.397e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 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/32679417/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.66e-03', job_status='DONE', photon_flux_upper_limit='3.54e-08', time_completed='2026-07-21 19:48:09.885258', job_id='32679417', GAL2='0.98', fit_tolerance='1e-08', EG2='1.04', EG='1.04', time_epoch_completed='1784688489.89', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='2.36e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='937' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 19:48:10 PDT 2026 source GAL_V02 Working on... /lscratch/kocevski/32679441/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits.....................! real 42.41 user 40.14 sys 1.22 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32679441/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits', '/lscratch/kocevski/32679441/ft2_4FGL_J2228.6-1636_weekly_bin937.fits', expMap='/lscratch/kocevski/32679441/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', expCube='/lscratch/kocevski/32679441/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32679441/Model_4FGL_J2228.6-1636_weekly_bin937.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/32679441/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits Spacecraft file(s): /lscratch/kocevski/32679441/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Exposure map: /lscratch/kocevski/32679441/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits Exposure cube: /lscratch/kocevski/32679441/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32679441/Model_4FGL_J2228.6-1636_weekly_bin937.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) = 13945.533339 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4695078 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 14.861 1.0000 .0000 .10000E+07 2 'norm ' .97700E-08 1.0000 .0000 .10000E+07 3 'Prefactor ' .63682E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 3.9341 1.0000 .0000 .10000E+07 5 'Prefactor ' .56130E-05 1.0000 .0000 .10000E+07 6 'Prefactor ' .20189E-04 1.0000 .0000 .10000E+07 7 'Prefactor ' .42824E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' 2.9834 1.0000 .0000 .10000E+07 9 'Prefactor ' .28080E-03 1.0000 .0000 .10000E+07 10 'norm ' 3.8266 1.0000 .0000 .10000E+07 11 'norm ' .17495E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .99191 1.0000 .0000 .10000E+07 13 'Prefactor ' 14.104 1.0000 .0000 .10000E+07 14 'norm ' .94134 1.0000 .0000 .10000E+07 15 'norm ' 1.9896 1.0000 .0000 .10000E+07 16 'Prefactor ' .33691E-01 1.0000 .0000 .10000E+07 17 'Prefactor ' .10556E-05 1.0000 .0000 .10000E+07 18 'norm ' .99491 1.0000 .0000 .10000E+07 19 'Prefactor ' 17.706 1.0000 .0000 .10000E+07 20 'Prefactor ' .18603E-03 1.0000 .0000 .10000E+07 21 'Normalizat' 1.0424 1.0000 .10000E-01 10.000 22 'Prefactor ' .97909 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 167 CALLS 1435 TOTAL EDM= .67E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 14.652 11.585 -.52657E-06 -.61805E-02 2 norm .0000 .84742 -.86245E-07** at limit ** 3 Prefactor .22204E-09 1.8171 .65710E-06** at limit ** 4 Prefactor 4.0309 11.948 .11861E-05 .12069E-03 5 Prefactor .0000 1.9471 .18900E-06** at limit ** 6 Prefactor .11657E-08 10.054 .20092E-05** at limit ** 7 Prefactor .11102E-09 3.3202 .95321E-07** at limit ** 8 Prefactor 2.9892 3.2075 .40898E-06 .39284E-02 9 Prefactor .38858E-09 20.588 .21362E-06** at limit ** 10 norm 3.8322 2.3905 .38657E-06 .84369E-02 11 norm .55511E-10 3.8379 -.11953E-05** at limit ** 12 Prefactor .94524E-06 5017.8 .12891E-04** at limit ** 13 Prefactor 14.040 8.8947 -.57814E-06 .15000E-03 14 norm .94110 .48790 .32064E-07 .10233E-01 15 norm 1.9903 1.2733 -.26235E-07 -.89889E-02 16 Prefactor .24569E-05 8.0369 -.20536E-06** at limit ** 17 Prefactor .99920E-09 3.5586 .76780E-06** at limit ** 18 norm .99990 .58761 .51059E-07 -.32496E-02 19 Prefactor 17.335 16.167 -.85970E-06 .35552E-02 20 Prefactor .27756E-09 2.7276 .53767E-07** at limit ** 21 Normalizat 1.0434 .15709 .31982E-05 .49816E-03 22 Prefactor .97896 .11730 .37134E-05 .50243E-03 ERR DEF= .500 Final values: Prefactor = 14.6518 norm = 0 Prefactor = 2.22045e-10 Prefactor = 4.03092 Prefactor = 0 Prefactor = 1.16573e-09 Prefactor = 1.11022e-10 Prefactor = 2.98915 Prefactor = 3.88578e-10 norm = 3.83216 norm = 5.55112e-11 Prefactor = 9.45244e-07 Prefactor = 14.0401 norm = 0.941104 norm = 1.99028 Prefactor = 2.45687e-06 Prefactor = 9.99201e-10 norm = 0.999896 Prefactor = 17.3355 Prefactor = 2.77556e-10 Normalizat = 1.04336 Prefactor = 0.978962 ********** ** 18 **HESSE ********** FCN= 13945.47 FROM HESSE STATUS=OK 396 CALLS 1831 TOTAL EDM= .50E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 14.652 11.787 .25955E-03 -1.5631 2 norm .0000 .84953 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor .22204E-09 4.3273 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 4.0309 12.162 .50837E-03 -1.5668 5 Prefactor .0000 1.9492 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .11657E-08 10.077 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .11102E-09 3.3346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 2.9892 3.2521 .58751E-03 -1.5673 9 Prefactor .38858E-09 20.590 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.8322 2.4226 .51571E-03 -1.5669 11 norm .55511E-10 3.9879 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .94524E-06 33.756 .17814E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 14.040 10.289 .26644E-03 -1.5633 14 norm .94110 .48898 .42943E-03 -1.5689 15 norm 1.9903 1.3687 .73426E-03 -1.5680 16 Prefactor .24569E-05 19.420 .16262E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor .99920E-09 4.1863 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm .99990 .59200 .43585E-03 -1.5688 19 Prefactor 17.335 16.335 .23775E-03 -1.5625 20 Prefactor .27756E-09 2.7303 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Normalizat 1.0434 .13159 .61483E-01 -.91592 22 Prefactor .97896 .97542E-01 .46005E-01 -.93434 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.96572e-09 Minuit parameter uncertainties: 1 11.7874 2 2.98021e-06 3 6.24742e-05 4 12.1616 5 1.37185e-05 6 0.000217895 7 3.47146e-05 8 3.25211 9 0.000184913 10 2.4226 11 2.32079e-05 12 0.0112975 13 10.2887 14 0.488975 15 1.36875 16 0.013815 17 0.000128067 18 0.592001 19 16.3354 20 5.56254e-05 21 0.131631 22 0.0975592 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4684777 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 3.886e-10 1.849e-04 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: 9.790e-01 9.756e-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: 1.043e+00 1.316e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.53503172815e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00266379778585 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32679441/likelihoodResults_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13945.4918786 delta logL = -0.0234008626285 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13944.7359575 delta logL = 0.732520188254 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .44928E-03 1.0000 .0000 .10000E+07 2 'Index ' 6.5636 1.0000 .0000 10.000 3 'Normalizat' .98112 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0099 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 103 CALLS 364 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 4.9133 .42118E-03** at limit ** 2 Index .79584 .57132 -.11150E-05 .0000 3 Normalizat 1.0434 1.3487 .62541E-05 .40444E-03 4 Prefactor .97896 1.2480 .20159E-05 -.57528E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.795838 Normalizat = 1.04336 Prefactor = 0.978963 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13945.47 FROM HESSE STATUS=FAILED 9 CALLS 373 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 4.9133 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .95999E-02 .88098 -.11150E-05 -1389.6 3 Normalizat 1.0434 1.3487 .62541E-05 237.85 4 Prefactor .97896 1.2480 .20159E-05 -460.88 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.51582e-11 Minuit parameter uncertainties: 1 1.02297e-05 2 0.575655 3 1.39731 4 1.28792 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) = 13945.4684777 delta logL = 2.36468622461e-11 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 1.023e-05 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 7.958e-01 5.757e-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: 9.790e-01 1.288e+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: 1.043e+00 1.397e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 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/32679441/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.66e-03', job_status='DONE', photon_flux_upper_limit='3.54e-08', time_completed='2026-07-21 19:49:39.851695', job_id='32679441', GAL2='0.98', fit_tolerance='1e-08', EG2='1.04', EG='1.04', time_epoch_completed='1784688579.85', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='2.36e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='937' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 19:49:40 PDT 2026 number of points = 17284 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2228.6-1636_weekly_bin937 RA = 337.166, Dec = -16.6073 tmin = 805680001, tmax = 806284801 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='32679941', job_status='RUN', time_executed='2026-07-21 19:41:59.394411', time_epoch_executed='1784688119.39' WHERE source_name='4FGL J2228.6-1636' and cadence='weekly' and bin_id='937' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/32679941 Creating custom pfile directory: /lscratch/kocevski/32679941/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/32679941/ft1_4FGL_J2228.6-1636_weekly_bin937.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/32679941/ft1_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32679941/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin937.fits ra=337.166 dec=-16.6073 rad=12.0 tmin=805680001.0 tmax=806284801.0 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 4.96 user 4.08 sys 0.21 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.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/32679941/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" outfile="/lscratch/kocevski/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.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 0.99 user 0.19 sys 0.13 Number of photons that the gtmktime cut: 1231 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits" evtable="EVENTS" scfile=/lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATA" outfile=/lscratch/kocevski/32679941/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits .....................! real 17.34 user 16.38 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATA" expcube=/lscratch/kocevski/32679941/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32679941/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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/32679941/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits .....................! real 64.50 user 59.55 sys 4.01 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/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits scfile=/lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32679941/cmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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 0.94 user 0.24 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits scfile=/lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32679941/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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 0.88 user 0.23 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/32679941/Model_4FGL_J2228.6-1636_weekly_bin937.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 number of points = 17284 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2228.6-1636_weekly_bin937 RA = 337.166, Dec = -16.6073 tmin = 805680001, tmax = 806284801 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='32680297', job_status='RUN', time_executed='2026-07-21 19:46:04.637534', time_epoch_executed='1784688364.64' WHERE source_name='4FGL J2228.6-1636' and cadence='weekly' and bin_id='937' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/32680297 Creating custom pfile directory: /lscratch/kocevski/32680297/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/32680297/ft1_4FGL_J2228.6-1636_weekly_bin937.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/32680297/ft1_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680297/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin937.fits ra=337.166 dec=-16.6073 rad=12.0 tmin=805680001.0 tmax=806284801.0 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 4.88 user 4.07 sys 0.23 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.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/32680297/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" outfile="/lscratch/kocevski/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.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 0.92 user 0.22 sys 0.13 Number of photons that the gtmktime cut: 1231 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits" evtable="EVENTS" scfile=/lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATsource GAL_V02 Working on... /lscratch/kocevski/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits.....................! real 39.35 user 37.57 sys 1.06 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits', '/lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits', expMap='/lscratch/kocevski/32679941/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', expCube='/lscratch/kocevski/32679941/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32679941/Model_4FGL_J2228.6-1636_weekly_bin937.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/32679941/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits Spacecraft file(s): /lscratch/kocevski/32679941/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Exposure map: /lscratch/kocevski/32679941/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits Exposure cube: /lscratch/kocevski/32679941/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32679941/Model_4FGL_J2228.6-1636_weekly_bin937.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) = 13945.533339 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4695078 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 14.861 1.0000 .0000 .10000E+07 2 'norm ' .97700E-08 1.0000 .0000 .10000E+07 3 'Prefactor ' .63682E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 3.9341 1.0000 .0000 .10000E+07 5 'Prefactor ' .56130E-05 1.0000 .0000 .10000E+07 6 'Prefactor ' .20189E-04 1.0000 .0000 .10000E+07 7 'Prefactor ' .42824E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' 2.9834 1.0000 .0000 .10000E+07 9 'Prefactor ' .28080E-03 1.0000 .0000 .10000E+07 10 'norm ' 3.8266 1.0000 .0000 .10000E+07 11 'norm ' .17495E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .99191 1.0000 .0000 .10000E+07 13 'Prefactor ' 14.104 1.0000 .0000 .10000E+07 14 'norm ' .94134 1.0000 .0000 .10000E+07 15 'norm ' 1.9896 1.0000 .0000 .10000E+07 16 'Prefactor ' .33691E-01 1.0000 .0000 .10000E+07 17 'Prefactor ' .10556E-05 1.0000 .0000 .10000E+07 18 'norm ' .99491 1.0000 .0000 .10000E+07 19 'Prefactor ' 17.706 1.0000 .0000 .10000E+07 20 'Prefactor ' .18603E-03 1.0000 .0000 .10000E+07 21 'Normalizat' 1.0424 1.0000 .10000E-01 10.000 22 'Prefactor ' .97909 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 167 CALLS 1435 TOTAL EDM= .67E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 14.652 11.585 -.52657E-06 -.61805E-02 2 norm .0000 .84742 -.86245E-07** at limit ** 3 Prefactor .22204E-09 1.8171 .65710E-06** at limit ** 4 Prefactor 4.0309 11.948 .11861E-05 .12069E-03 5 Prefactor .0000 1.9471 .18900E-06** at limit ** 6 Prefactor .11657E-08 10.054 .20092E-05** at limit ** 7 Prefactor .11102E-09 3.3202 .95321E-07** at limit ** 8 Prefactor 2.9892 3.2075 .40898E-06 .39284E-02 9 Prefactor .38858E-09 20.588 .21362E-06** at limit ** 10 norm 3.8322 2.3905 .38657E-06 .84369E-02 11 norm .55511E-10 3.8379 -.11953E-05** at limit ** 12 Prefactor .94524E-06 5017.8 .12891E-04** at limit ** 13 Prefactor 14.040 8.8947 -.57814E-06 .15000E-03 14 norm .94110 .48790 .32064E-07 .10233E-01 15 norm 1.9903 1.2733 -.26235E-07 -.89889E-02 16 Prefactor .24569E-05 8.0369 -.20536E-06** at limit ** 17 Prefactor .99920E-09 3.5586 .76780E-06** at limit ** 18 norm .99990 .58761 .51059E-07 -.32496E-02 19 Prefactor 17.335 16.167 -.85970E-06 .35552E-02 20 Prefactor .27756E-09 2.7276 .53767E-07** at limit ** 21 Normalizat 1.0434 .15709 .31982E-05 .49816E-03 22 Prefactor .97896 .11730 .37134E-05 .50243E-03 ERR DEF= .500 Final values: Prefactor = 14.6518 norm = 0 Prefactor = 2.22045e-10 Prefactor = 4.03092 Prefactor = 0 Prefactor = 1.16573e-09 Prefactor = 1.11022e-10 Prefactor = 2.98915 Prefactor = 3.88578e-10 norm = 3.83216 norm = 5.55112e-11 Prefactor = 9.45244e-07 Prefactor = 14.0401 norm = 0.941104 norm = 1.99028 Prefactor = 2.45687e-06 Prefactor = 9.99201e-10 norm = 0.999896 Prefactor = 17.3355 Prefactor = 2.77556e-10 Normalizat = 1.04336 Prefactor = 0.978962 ********** ** 18 **HESSE ********** FCN= 13945.47 FROM HESSE STATUS=OK 396 CALLS 1831 TOTAL EDM= .50E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 14.652 11.787 .25955E-03 -1.5631 2 norm .0000 .84953 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor .22204E-09 4.3273 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 4.0309 12.162 .50837E-03 -1.5668 5 Prefactor .0000 1.9492 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .11657E-08 10.077 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .11102E-09 3.3346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 2.9892 3.2521 .58751E-03 -1.5673 9 Prefactor .38858E-09 20.590 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.8322 2.4226 .51571E-03 -1.5669 11 norm .55511E-10 3.9879 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .94524E-06 33.756 .17814E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 14.040 10.289 .26644E-03 -1.5633 14 norm .94110 .48898 .42943E-03 -1.5689 15 norm 1.9903 1.3687 .73426E-03 -1.5680 16 Prefactor .24569E-05 19.420 .16262E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor .99920E-09 4.1863 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm .99990 .59200 .43585E-03 -1.5688 19 Prefactor 17.335 16.335 .23775E-03 -1.5625 20 Prefactor .27756E-09 2.7303 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Normalizat 1.0434 .13159 .61483E-01 -.91592 22 Prefactor .97896 .97542E-01 .46005E-01 -.93434 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.96572e-09 Minuit parameter uncertainties: 1 11.7874 2 2.98021e-06 3 6.24742e-05 4 12.1616 5 1.37185e-05 6 0.000217895 7 3.47146e-05 8 3.25211 9 0.000184913 10 2.4226 11 2.32079e-05 12 0.0112975 13 10.2887 14 0.488975 15 1.36875 16 0.013815 17 0.000128067 18 0.592001 19 16.3354 20 5.56254e-05 21 0.131631 22 0.0975592 number of points = 17284 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J2228.6-1636_weekly_bin937 RA = 337.166, Dec = -16.6073 tmin = 805680001, tmax = 806284801 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='32680410', job_status='RUN', time_executed='2026-07-21 19:47:08.736229', time_epoch_executed='1784688428.74' WHERE source_name='4FGL J2228.6-1636' and cadence='weekly' and bin_id='937' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/32680410 Creating custom pfile directory: /lscratch/kocevski/32680410/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/32680410/ft1_4FGL_J2228.6-1636_weekly_bin937.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=805680001.0 && nMetStart<806284801.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/32680410/ft1_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680410/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin937.fits ra=337.166 dec=-16.6073 rad=12.0 tmin=805680001.0 tmax=806284801.0 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 4.98 user 4.13 sys 0.24 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.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/32680410/ft1_filteredMKT_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" outfile="/lscratch/kocevski/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.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 0.91 user 0.21 sys 0.13 Number of photons that the gtmktime cut: 1231 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits" evtable="EVENTS" scfile=/lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATDone. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4684777 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 3.886e-10 1.849e-04 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: 9.790e-01 9.756e-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: 1.043e+00 1.316e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.53503172815e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00266379778585 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32679941/likelihoodResults_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13945.4918786 delta logL = -0.0234008626285 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13944.7359575 delta logL = 0.732520188254 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .44928E-03 1.0000 .0000 .10000E+07 2 'Index ' 6.5636 1.0000 .0000 10.000 3 'Normalizat' .98112 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0099 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 103 CALLS 364 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 4.9133 .42118E-03** at limit ** 2 Index .79584 .57132 -.11150E-05 .0000 3 Normalizat 1.0434 1.3487 .62541E-05 .40444E-03 4 Prefactor .97896 1.2480 .20159E-05 -.57528E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.795838 Normalizat = 1.04336 Prefactor = 0.978963 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13945.47 FROM HESSE STATUS=FAILED 9 CALLS 373 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 4.9133 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .95999E-02 .88098 -.11150E-05 -1389.6 3 Normalizat 1.0434 1.3487 .62541E-05 237.85 4 Prefactor .97896 1.2480 .20159E-05 -460.88 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.51582e-11 Minuit parameter uncertainties: 1 1.02297e-05 2 0.575655 3 1.39731 4 1.28792 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) = 13945.4684777 delta logL = 2.36468622461e-11 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 1.023e-05 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 7.958e-01 5.757e-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: 9.790e-01 1.288e+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: 1.043e+00 1.397e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 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/32679941/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.66e-03', job_status='DONE', photon_flux_upper_limit='3.54e-08', time_completed='2026-07-21 19:54:46.944640', job_id='32679941', GAL2='0.98', fit_tolerance='1e-08', EG2='1.04', EG='1.04', time_epoch_completed='1784688886.94', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='2.36e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='937' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 19:54:47 PDT 2026 A" outfile=/lscratch/kocevski/32680297/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits .....................! real 17.09 user 16.33 sys 0.25 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATA" expcube=/lscratch/kocevski/32680297/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680297/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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/32680297/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits .....................! real 65.25 user 60.49 sys 3.81 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/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits scfile=/lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680297/cmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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 0.99 user 0.21 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits scfile=/lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680297/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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 0.85 user 0.23 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/32680297/Model_4FGL_J2228.6-1636_weekly_bin937.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/32680410/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits .....................! real 18.02 user 17.06 sys 0.24 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATA" expcube=/lscratch/kocevski/32680410/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680410/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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/32680410/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits .....................! real 65.09 user 60.39 sys 3.87 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/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits scfile=/lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680410/cmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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 0.97 user 0.23 sys 0.12 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits scfile=/lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits outfile=/lscratch/kocevski/32680410/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.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 0.78 user 0.23 sys 0.13 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits evtable="EVENTS" scfile=/lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/32680410/Model_4FGL_J2228.6-1636_weekly_bin937.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/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits.....................! real 40.34 user 38.45 sys 1.05 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits', '/lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits', expMap='/lscratch/kocevski/32680297/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', expCube='/lscratch/kocevski/32680297/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32680297/Model_4FGL_J2228.6-1636_weekly_bin937.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/32680297/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits Spacecraft file(s): /lscratch/kocevski/32680297/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Exposure map: /lscratch/kocevski/32680297/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits Exposure cube: /lscratch/kocevski/32680297/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32680297/Model_4FGL_J2228.6-1636_weekly_bin937.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) = 13945.533339 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4695078 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 14.861 1.0000 .0000 .10000E+07 2 'norm ' .97700E-08 1.0000 .0000 .10000E+07 3 'Prefactor ' .63682E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 3.9341 1.0000 .0000 .10000E+07 5 'Prefactor ' .56130E-05 1.0000 .0000 .10000E+07 6 'Prefactor ' .20189E-04 1.0000 .0000 .10000E+07 7 'Prefactor ' .42824E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' 2.9834 1.0000 .0000 .10000E+07 9 'Prefactor ' .28080E-03 1.0000 .0000 .10000E+07 10 'norm ' 3.8266 1.0000 .0000 .10000E+07 11 'norm ' .17495E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .99191 1.0000 .0000 .10000E+07 13 'Prefactor ' 14.104 1.0000 .0000 .10000E+07 14 'norm ' .94134 1.0000 .0000 .10000E+07 15 'norm ' 1.9896 1.0000 .0000 .10000E+07 16 'Prefactor ' .33691E-01 1.0000 .0000 .10000E+07 17 'Prefactor ' .10556E-05 1.0000 .0000 .10000E+07 18 'norm ' .99491 1.0000 .0000 .10000E+07 19 'Prefactor ' 17.706 1.0000 .0000 .10000E+07 20 'Prefactor ' .18603E-03 1.0000 .0000 .10000E+07 21 'Normalizat' 1.0424 1.0000 .10000E-01 10.000 22 'Prefactor ' .97909 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 167 CALLS 1435 TOTAL EDM= .67E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 14.652 11.585 -.52657E-06 -.61805E-02 2 norm .0000 .84742 -.86245E-07** at limit ** 3 Prefactor .22204E-09 1.8171 .65710E-06** at limit ** 4 Prefactor 4.0309 11.948 .11861E-05 .12069E-03 5 Prefactor .0000 1.9471 .18900E-06** at limit ** 6 Prefactor .11657E-08 10.054 .20092E-05** at limit ** 7 Prefactor .11102E-09 3.3202 .95321E-07** at limit ** 8 Prefactor 2.9892 3.2075 .40898E-06 .39284E-02 9 Prefactor .38858E-09 20.588 .21362E-06** at limit ** 10 norm 3.8322 2.3905 .38657E-06 .84369E-02 11 norm .55511E-10 3.8379 -.11953E-05** at limit ** 12 Prefactor .94524E-06 5017.8 .12891E-04** at limit ** 13 Prefactor 14.040 8.8947 -.57814E-06 .15000E-03 14 norm .94110 .48790 .32064E-07 .10233E-01 15 norm 1.9903 1.2733 -.26235E-07 -.89889E-02 16 Prefactor .24569E-05 8.0369 -.20536E-06** at limit ** 17 Prefactor .99920E-09 3.5586 .76780E-06** at limit ** 18 norm .99990 .58761 .51059E-07 -.32496E-02 19 Prefactor 17.335 16.167 -.85970E-06 .35552E-02 20 Prefactor .27756E-09 2.7276 .53767E-07** at limit ** 21 Normalizat 1.0434 .15709 .31982E-05 .49816E-03 22 Prefactor .97896 .11730 .37134E-05 .50243E-03 ERR DEF= .500 Final values: Prefactor = 14.6518 norm = 0 Prefactor = 2.22045e-10 Prefactor = 4.03092 Prefactor = 0 Prefactor = 1.16573e-09 Prefactor = 1.11022e-10 Prefactor = 2.98915 Prefactor = 3.88578e-10 norm = 3.83216 norm = 5.55112e-11 Prefactor = 9.45244e-07 Prefactor = 14.0401 norm = 0.941104 norm = 1.99028 Prefactor = 2.45687e-06 Prefactor = 9.99201e-10 norm = 0.999896 Prefactor = 17.3355 Prefactor = 2.77556e-10 Normalizat = 1.04336 Prefactor = 0.978962 ********** ** 18 **HESSE ********** FCN= 13945.47 FROM HESSE STATUS=OK 396 CALLS 1831 TOTAL EDM= .50E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 14.652 11.787 .25955E-03 -1.5631 2 norm .0000 .84953 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor .22204E-09 4.3273 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 4.0309 12.162 .50837E-03 -1.5668 5 Prefactor .0000 1.9492 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .11657E-08 10.077 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .11102E-09 3.3346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 2.9892 3.2521 .58751E-03 -1.5673 9 Prefactor .38858E-09 20.590 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.8322 2.4226 .51571E-03 -1.5669 11 norm .55511E-10 3.9879 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .94524E-06 33.756 .17814E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 14.040 10.289 .26644E-03 -1.5633 14 norm .94110 .48898 .42943E-03 -1.5689 15 norm 1.9903 1.3687 .73426E-03 -1.5680 16 Prefactor .24569E-05 19.420 .16262E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor .99920E-09 4.1863 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm .99990 .59200 .43585E-03 -1.5688 19 Prefactor 17.335 16.335 .23775E-03 -1.5625 20 Prefactor .27756E-09 2.7303 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Normalizat 1.0434 .13159 .61483E-01 -.91592 22 Prefactor .97896 .97542E-01 .46005E-01 -.93434 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.96572e-09 Minuit parameter uncertainties: 1 11.7874 2 2.98021e-06 3 6.24742e-05 4 12.1616 5 1.37185e-05 6 0.000217895 7 3.47146e-05 8 3.25211 9 0.000184913 10 2.4226 11 2.32079e-05 12 0.0112975 13 10.2887 14 0.488975 15 1.36875 16 0.013815 17 0.000128067 18 0.592001 19 16.3354 20 5.56254e-05 21 0.131631 22 0.0975592 source GAL_V02 Working on... /lscratch/kocevski/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits.....................! real 40.97 user 39.13 sys 1.03 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits', '/lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits', expMap='/lscratch/kocevski/32680410/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', expCube='/lscratch/kocevski/32680410/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/32680410/Model_4FGL_J2228.6-1636_weekly_bin937.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/32680410/ft1_filtered_4FGL_J2228.6-1636_weekly_bin937.fits Spacecraft file(s): /lscratch/kocevski/32680410/ft2_4FGL_J2228.6-1636_weekly_bin937.fits Exposure map: /lscratch/kocevski/32680410/expmap_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits Exposure cube: /lscratch/kocevski/32680410/ltcube_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/32680410/Model_4FGL_J2228.6-1636_weekly_bin937.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) = 13945.533339 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4695078 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' 14.861 1.0000 .0000 .10000E+07 2 'norm ' .97700E-08 1.0000 .0000 .10000E+07 3 'Prefactor ' .63682E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 3.9341 1.0000 .0000 .10000E+07 5 'Prefactor ' .56130E-05 1.0000 .0000 .10000E+07 6 'Prefactor ' .20189E-04 1.0000 .0000 .10000E+07 7 'Prefactor ' .42824E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' 2.9834 1.0000 .0000 .10000E+07 9 'Prefactor ' .28080E-03 1.0000 .0000 .10000E+07 10 'norm ' 3.8266 1.0000 .0000 .10000E+07 11 'norm ' .17495E-04 1.0000 .0000 .10000E+07 12 'Prefactor ' .99191 1.0000 .0000 .10000E+07 13 'Prefactor ' 14.104 1.0000 .0000 .10000E+07 14 'norm ' .94134 1.0000 .0000 .10000E+07 15 'norm ' 1.9896 1.0000 .0000 .10000E+07 16 'Prefactor ' .33691E-01 1.0000 .0000 .10000E+07 17 'Prefactor ' .10556E-05 1.0000 .0000 .10000E+07 18 'norm ' .99491 1.0000 .0000 .10000E+07 19 'Prefactor ' 17.706 1.0000 .0000 .10000E+07 20 'Prefactor ' .18603E-03 1.0000 .0000 .10000E+07 21 'Normalizat' 1.0424 1.0000 .10000E-01 10.000 22 'Prefactor ' .97909 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 167 CALLS 1435 TOTAL EDM= .67E-09 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.5% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor 14.652 11.585 -.52657E-06 -.61805E-02 2 norm .0000 .84742 -.86245E-07** at limit ** 3 Prefactor .22204E-09 1.8171 .65710E-06** at limit ** 4 Prefactor 4.0309 11.948 .11861E-05 .12069E-03 5 Prefactor .0000 1.9471 .18900E-06** at limit ** 6 Prefactor .11657E-08 10.054 .20092E-05** at limit ** 7 Prefactor .11102E-09 3.3202 .95321E-07** at limit ** 8 Prefactor 2.9892 3.2075 .40898E-06 .39284E-02 9 Prefactor .38858E-09 20.588 .21362E-06** at limit ** 10 norm 3.8322 2.3905 .38657E-06 .84369E-02 11 norm .55511E-10 3.8379 -.11953E-05** at limit ** 12 Prefactor .94524E-06 5017.8 .12891E-04** at limit ** 13 Prefactor 14.040 8.8947 -.57814E-06 .15000E-03 14 norm .94110 .48790 .32064E-07 .10233E-01 15 norm 1.9903 1.2733 -.26235E-07 -.89889E-02 16 Prefactor .24569E-05 8.0369 -.20536E-06** at limit ** 17 Prefactor .99920E-09 3.5586 .76780E-06** at limit ** 18 norm .99990 .58761 .51059E-07 -.32496E-02 19 Prefactor 17.335 16.167 -.85970E-06 .35552E-02 20 Prefactor .27756E-09 2.7276 .53767E-07** at limit ** 21 Normalizat 1.0434 .15709 .31982E-05 .49816E-03 22 Prefactor .97896 .11730 .37134E-05 .50243E-03 ERR DEF= .500 Final values: Prefactor = 14.6518 norm = 0 Prefactor = 2.22045e-10 Prefactor = 4.03092 Prefactor = 0 Prefactor = 1.16573e-09 Prefactor = 1.11022e-10 Prefactor = 2.98915 Prefactor = 3.88578e-10 norm = 3.83216 norm = 5.55112e-11 Prefactor = 9.45244e-07 Prefactor = 14.0401 norm = 0.941104 norm = 1.99028 Prefactor = 2.45687e-06 Prefactor = 9.99201e-10 norm = 0.999896 Prefactor = 17.3355 Prefactor = 2.77556e-10 Normalizat = 1.04336 Prefactor = 0.978962 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4684777 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 3.886e-10 1.849e-04 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: 9.790e-01 9.756e-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: 1.043e+00 1.316e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.53503172815e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00266379778585 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32680297/likelihoodResults_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13945.4918786 delta logL = -0.0234008626285 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13944.7359575 delta logL = 0.732520188254 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .44928E-03 1.0000 .0000 .10000E+07 2 'Index ' 6.5636 1.0000 .0000 10.000 3 'Normalizat' .98112 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0099 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 103 CALLS 364 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 4.9133 .42118E-03** at limit ** 2 Index .79584 .57132 -.11150E-05 .0000 3 Normalizat 1.0434 1.3487 .62541E-05 .40444E-03 4 Prefactor .97896 1.2480 .20159E-05 -.57528E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.795838 Normalizat = 1.04336 Prefactor = 0.978963 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13945.47 FROM HESSE STATUS=FAILED 9 CALLS 373 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 4.9133 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .95999E-02 .88098 -.11150E-05 -1389.6 3 Normalizat 1.0434 1.3487 .62541E-05 237.85 4 Prefactor .97896 1.2480 .20159E-05 -460.88 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.51582e-11 Minuit parameter uncertainties: 1 1.02297e-05 2 0.575655 3 1.39731 4 1.28792 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) = 13945.4684777 delta logL = 2.36468622461e-11 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 1.023e-05 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 7.958e-01 5.757e-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: 9.790e-01 1.288e+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: 1.043e+00 1.397e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 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/32680297/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.66e-03', job_status='DONE', photon_flux_upper_limit='3.54e-08', time_completed='2026-07-21 19:58:41.500746', job_id='32680297', GAL2='0.98', fit_tolerance='1e-08', EG2='1.04', EG='1.04', time_epoch_completed='1784689121.5', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='2.36e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='937' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 19:58:41 PDT 2026 ********** ** 18 **HESSE ********** FCN= 13945.47 FROM HESSE STATUS=OK 396 CALLS 1831 TOTAL EDM= .50E-08 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor 14.652 11.787 .25955E-03 -1.5631 2 norm .0000 .84953 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor .22204E-09 4.3273 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 4.0309 12.162 .50837E-03 -1.5668 5 Prefactor .0000 1.9492 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .11657E-08 10.077 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .11102E-09 3.3346 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 2.9892 3.2521 .58751E-03 -1.5673 9 Prefactor .38858E-09 20.590 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 norm 3.8322 2.4226 .51571E-03 -1.5669 11 norm .55511E-10 3.9879 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .94524E-06 33.756 .17814E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor 14.040 10.289 .26644E-03 -1.5633 14 norm .94110 .48898 .42943E-03 -1.5689 15 norm 1.9903 1.3687 .73426E-03 -1.5680 16 Prefactor .24569E-05 19.420 .16262E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Prefactor .99920E-09 4.1863 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm .99990 .59200 .43585E-03 -1.5688 19 Prefactor 17.335 16.335 .23775E-03 -1.5625 20 Prefactor .27756E-09 2.7303 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 21 Normalizat 1.0434 .13159 .61483E-01 -.91592 22 Prefactor .97896 .97542E-01 .46005E-01 -.93434 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 4.96572e-09 Minuit parameter uncertainties: 1 11.7874 2 2.98021e-06 3 6.24742e-05 4 12.1616 5 1.37185e-05 6 0.000217895 7 3.47146e-05 8 3.25211 9 0.000184913 10 2.4226 11 2.32079e-05 12 0.0112975 13 10.2887 14 0.488975 15 1.36875 16 0.013815 17 0.000128067 18 0.592001 19 16.3354 20 5.56254e-05 21 0.131631 22 0.0975592 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 13945.4684777 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 3.886e-10 1.849e-04 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: 9.790e-01 9.756e-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: 1.043e+00 1.316e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 337.166 -16.607 Photon Flux Upper Limit: 3.53503172815e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00266379778585 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/32680410/likelihoodResults_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13945.4918786 delta logL = -0.0234008626285 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 0 logL (Free Index) = 13944.7359575 delta logL = 0.732520188254 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .44928E-03 1.0000 .0000 .10000E+07 2 'Index ' 6.5636 1.0000 .0000 10.000 3 'Normalizat' .98112 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0099 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= 13945.47 FROM MIGRAD STATUS=CONVERGED 103 CALLS 364 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 4.9133 .42118E-03** at limit ** 2 Index .79584 .57132 -.11150E-05 .0000 3 Normalizat 1.0434 1.3487 .62541E-05 .40444E-03 4 Prefactor .97896 1.2480 .20159E-05 -.57528E-03 ERR DEF= .500 Final values: Prefactor = 0 Index = 0.795838 Normalizat = 1.04336 Prefactor = 0.978963 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 13945.47 FROM HESSE STATUS=FAILED 9 CALLS 373 TOTAL EDM= .65E-10 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 4.9133 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .95999E-02 .88098 -.11150E-05 -1389.6 3 Normalizat 1.0434 1.3487 .62541E-05 237.85 4 Prefactor .97896 1.2480 .20159E-05 -460.88 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 6.51582e-11 Minuit parameter uncertainties: 1 1.02297e-05 2 0.575655 3 1.39731 4 1.28792 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) = 13945.4684777 delta logL = 2.36468622461e-11 Extracting fit parameters... 4FGL J2228.6-1636 Spectrum: PowerLaw 228 Prefactor: 0.000e+00 1.023e-05 0.000e+00 1.000e+06 ( 1.000e-14) 229 Index: 7.958e-01 5.757e-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: 9.790e-01 1.288e+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: 1.043e+00 1.397e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 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/32680410/cmap_HighResolution_805680001_806284801_4FGL_J2228.6-1636_weekly_bin937.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.66e-03', job_status='DONE', photon_flux_upper_limit='3.54e-08', time_completed='2026-07-21 19:59:35.749688', job_id='32680410', GAL2='0.98', fit_tolerance='1e-08', EG2='1.04', EG='1.04', time_epoch_completed='1784689175.75', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.98', dlogl='2.36e-11', ts2='0.00', photon_index_error='0.00', photon_index='2.06' WHERE bin_id='937' AND source_name='4FGL J2228.6-1636' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jul 21 19:59:36 PDT 2026