/sdf/group/fermi/u/kocevski/software/conda/envs/fermitools_v1.0.5/lib/python2.7/site-packages/pyfits/__init__.py:22: PyFITSDeprecationWarning: PyFITS is deprecated, please use astropy.io.fits PyFITSDeprecationWarning) # noqa Likelihood Analysis Tool Support Contact: Daniel Kocevski (daniel.kocevski@nasa.gov) Importing modules... This is make3FGLxml version 01r0. The default diffuse model files and names are for pass 8 and assume you have v10r00p05 of the Fermi Science Tools or higher. This is make4FGLDR3xml version 01r09. The default diffuse model files and names are for P8R3, 4FGL DRs, and the default fermitools directory locations. WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). /sdf/group/fermi/u/kocevski/software/conda/envs/fermitools_v1.0.5/lib/python2.7/site-packages/matplotlib/cbook/deprecation.py:106: MatplotlibDeprecationWarning: The mpl_toolkits.axes_grid module was deprecated in version 2.1. Use mpl_toolkits.axes_grid1 and mpl_toolkits.axisartist provies the same functionality instead. warnings.warn(message, mplDeprecation, stacklevel=1) WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). number of points = 17278 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1841.8+3218_weekly_bin930 RA = 280.453, Dec = 32.301 tmin = 801446401, tmax = 802051201 emin = 100.0, emax = 100000.0 irfs = P8R3_SOURCE_V2 ROI = 12 zmax = 90 Fitting strategies: Fix sources to their catalog values = True Leave variable source normalizations free = True Perform pre-fit where ALL sources are frozen to catalog values = False Perform secondary fit with a free spectral index = True Remove all catalog sources = False Remove weak (TS < 2) catalog sources = False Freeze Galactic component = False Likelihood fit parameters: Statistic: UNBINNED Optimizer: MINUIT Catalog: 4FGL Repository job = True LAT data source: Data catalog Updating database... UPDATE lightcurve_data_v2 SET job_id='27678558', job_status='RUN', time_executed='2026-06-02 18:36:02.040500', time_epoch_executed='1780450562.04' WHERE source_name='4FGL J1841.8+3218' and cadence='weekly' and bin_id='930' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/27678558 Creating custom pfile directory: /lscratch/kocevski/27678558/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=801446401.0 && nMetStart<802051201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=801446401.0 && nMetStart<802051201.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/27678558/ft1_4FGL_J1841.8+3218_weekly_bin930.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=801446401.0 && nMetStart<802051201.0' /Data/Flight/Level1/LPA Retrieving 107 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/27678558/ft1_4FGL_J1841.8+3218_weekly_bin930.fits outfile=/lscratch/kocevski/27678558/ft1_filteredMKT_4FGL_J1841.8+3218_weekly_bin930.fits ra=280.453 dec=32.301 rad=12.0 tmin=801446401.0 tmax=802051201.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 4.95 user 4.42 sys 0.21 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.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/27678558/ft1_filteredMKT_4FGL_J1841.8+3218_weekly_bin930.fits evtable="EVENTS" outfile="/lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.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 0.62 user 0.22 sys 0.12 Number of photons that the gtmktime cut: 3120 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits" evtable="EVENTS" scfile=/lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits sctable="SC_DATA" outfile=/lscratch/kocevski/27678558/ltcube_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.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/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits .....................! real 18.35 user 17.78 sys 0.20 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits evtable="EVENTS" scfile=/lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits sctable="SC_DATA" expcube=/lscratch/kocevski/27678558/ltcube_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.fits outfile=/lscratch/kocevski/27678558/expmap_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.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/27678558/ltcube_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.fits .....................! real 69.22 user 64.66 sys 3.83 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 Extended source W 51C in ROI, make sure /sdf/group/fermi/g/LCRepository/Likelihood/ExtendedSources/Extended_8years/Templates/W51C.fits is the correct path to the extended template. Extended source gamma Cygni in ROI with RadialDisk spatial model. Added 236 point sources and 2 extended sources If using unbinned likelihood you will need to rerun gtdiffrsp for the extended sources or rerun the makeModel function with optional argument psForce=True Setting source of interest to: 4FGL J1841.8+3218 @ 280.453 32.301 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits scfile=/lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits outfile=/lscratch/kocevski/27678558/cmap_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.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=280.453 yref=32.301 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 0.62 user 0.23 sys 0.14 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits scfile=/lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits outfile=/lscratch/kocevski/27678558/cmap_HighResolution_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.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=280.453 yref=32.301 axisrot=0.0 rafield="RA" decfield="DEC" proj="AIT" hpx_ordering_scheme="RING" hpx_order=3 hpx_ebin=yes hpx_region="" evtable="EVENTS" sctable="SC_DATA" efield="ENERGY" tfield="TIME" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtbin version HEAD real 0.59 user 0.23 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits evtable="EVENTS" scfile=/lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/27678558/Model_4FGL_J1841.8+3218_weekly_bin930.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 adding source W 51C adding source gamma Cygni Working on... /lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits....................! real 188.60 user 186.43 sys 0.73 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits', '/lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits', expMap='/lscratch/kocevski/27678558/expmap_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.fits', expCube='/lscratch/kocevski/27678558/ltcube_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/27678558/Model_4FGL_J1841.8+3218_weekly_bin930.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1841.8+3218' 4FGL J1841.8+3218 Spectrum: LogParabola 365 norm: 4.939e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 366 alpha: 1.556e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 367 beta: 2.467e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 368 Eb: 3.657e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/27678558/ft1_filtered_4FGL_J1841.8+3218_weekly_bin930.fits Spacecraft file(s): /lscratch/kocevski/27678558/ft2_4FGL_J1841.8+3218_weekly_bin930.fits Exposure map: /lscratch/kocevski/27678558/expmap_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.fits Exposure cube: /lscratch/kocevski/27678558/ltcube_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/27678558/Model_4FGL_J1841.8+3218_weekly_bin930.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) = 31376.6509836 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 31376.6460191 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .84756E-04 1.0000 .0000 .10000E+07 2 'Prefactor ' .33905E-03 1.0000 .0000 .10000E+07 3 'Prefactor ' 50.825 1.0000 .0000 .10000E+07 4 'norm ' .16326E-06 1.0000 .0000 .10000E+07 5 'norm ' .48646E-03 1.0000 .0000 .10000E+07 6 'Prefactor ' .56535E-04 1.0000 .0000 .10000E+07 7 'norm ' .63781E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' 5.9999 1.0000 .0000 .10000E+07 9 'Prefactor ' .79962E-02 1.0000 .0000 .10000E+07 10 'Prefactor ' 2.4162 1.0000 .0000 .10000E+07 11 'norm ' .89253E-03 1.0000 .0000 .10000E+07 12 'norm ' 3.8291 1.0000 .0000 .10000E+07 13 'norm ' 5.3483 1.0000 .0000 .10000E+07 14 'Prefactor ' 2.6657 1.0000 .0000 .10000E+07 15 'Prefactor ' .66484E-03 1.0000 .0000 .10000E+07 16 'Prefactor ' .47175 1.0000 .0000 .10000E+07 17 'Normalizat' 1.1409 1.0000 .10000E-01 10.000 18 'Prefactor ' 1.0027 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .8320E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 31376.64 FROM MIGRAD STATUS=CONVERGED 134 CALLS 1328 TOTAL EDM= .18E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.6% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .77716E-09 1.9960 .81132E-06** at limit ** 2 Prefactor .90483E-08 5.7820 -.29304E-05** at limit ** 3 Prefactor 50.949 7.4040 .13980E-05 -.28234 4 norm .0000 .42970 -.11881E-06** at limit ** 5 norm .80880E-07 8.2896 -.56419E-05** at limit ** 6 Prefactor .83267E-09 3.9529 -.12362E-05** at limit ** 7 norm .27756E-09 2.6503 -.22323E-06** at limit ** 8 Prefactor 6.0033 3.2022 .73508E-07 .46296E-02 9 Prefactor .73552E-07 15.086 .16438E-05** at limit ** 10 Prefactor 2.4371 4.1306 .14296E-06 .29258E-02 11 norm .70222E-07 6.7418 .70257E-05** at limit ** 12 norm 3.8292 2.4713 -.17744E-07 .73103E-02 13 norm 5.3474 1.8940 .10685E-06 .23126E-01 14 Prefactor 2.6962 5.9252 .23204E-06 .13245E-02 15 Prefactor .17764E-08 3.4977 .15391E-05** at limit ** 16 Prefactor .63070E-05 108.64 -.86555E-05** at limit ** 17 Normalizat 1.1410 .15009 .57433E-06 .35959E-03 18 Prefactor 1.0027 .41421E-01 .82422E-07 .90307E-03 ERR DEF= .500 Final values: Prefactor = 7.77156e-10 Prefactor = 9.04832e-09 Prefactor = 50.9493 norm = 0 norm = 8.08797e-08 Prefactor = 8.32667e-10 norm = 2.77556e-10 Prefactor = 6.00328 Prefactor = 7.35523e-08 Prefactor = 2.43709 norm = 7.02216e-08 norm = 3.82924 norm = 5.34744 Prefactor = 2.69617 Prefactor = 1.77636e-09 Prefactor = 6.30695e-06 Normalizat = 1.14095 Prefactor = 1.00265 ********** ** 18 **HESSE ********** FCN= 31376.64 FROM HESSE STATUS=OK 278 CALLS 1606 TOTAL EDM= .24E-05 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .77716E-09 1.9972 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Prefactor .90483E-08 5.7912 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 3 Prefactor 50.949 38.390 .14028E-03 -1.5565 4 norm .0000 .41924 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 5 norm .80880E-07 8.3256 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 6 Prefactor .83267E-09 3.8492 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 norm .27756E-09 2.6421 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor 6.0033 3.2041 .40969E-03 -1.5659 9 Prefactor .73552E-07 14.999 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor 2.4371 4.1625 .65825E-03 -1.5677 11 norm .70222E-07 6.7763 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 norm 3.8292 2.4710 .51553E-03 -1.5669 13 norm 5.3474 1.8950 .43433E-03 -1.5662 14 Prefactor 2.6962 5.9394 .62398E-03 -1.5675 15 Prefactor .17764E-08 3.5084 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor .63070E-05 110.95 .81603E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 17 Normalizat 1.1410 .13951 .10689 -.88448 18 Prefactor 1.0027 .38085E-01 .31810E-01 -.92641 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.38627e-06 Minuit parameter uncertainties: 1 7.75109e-05 2 0.000458521 3 38.3905 4 5.2937e-06 5 0.00164132 6 0.000113404 7 5.4985e-05 8 3.20412 9 0.0021004 10 4.16249 11 0.0013798 12 2.47102 13 1.89505 14 5.93945 15 0.000156867 16 0.052907 17 0.139559 18 0.0380858 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 31376.6432097 Extracting fit parameters... 4FGL J1841.8+3218 Spectrum: LogParabola 365 norm: 7.022e-08 1.380e-03 0.000e+00 1.000e+06 ( 1.000e-14) 366 alpha: 1.556e+00 0.000e+00 0.000e+00 5.000e+00 ( 1.000e+00) fixed 367 beta: 2.467e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 368 Eb: 3.657e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 821 Prefactor: 1.003e+00 3.809e-02 0.000e+00 1.000e+01 ( 1.000e+00) 822 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 823 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 820 Normalization: 1.141e+00 1.396e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 280.453 32.301 Photon Flux Upper Limit: 6.69228019534e-09 ph cm-2 s-1 Energy Flux Upper Limit: 2.17534013958e-05 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/27678558/likelihoodResults_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.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) = 31376.7136235 delta logL = -0.0704137853572 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 31376.6432097 delta logL = 4.91127138957e-09 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' .44409E-09 1.0000 .0000 .10000E+07 2 'alpha ' 1.5829 1.0000 .0000 5.0000 3 'Normalizat' 1.1410 1.0000 .10000E-01 10.000 4 'Prefactor ' 1.0027 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .8320E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. MIGRAD WILL VERIFY CONVERGENCE AND ERROR MATRIX. MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 31376.64 FROM MIGRAD STATUS=CONVERGED 30 CALLS 184 TOTAL EDM= .37E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm .0000 6.7350 .42118E-03** at limit ** 2 alpha 1.4239 .98869 -.14777E-04 .0000 3 Normalizat 1.1410 1.1309 .44711E-05 -.93728E-05 4 Prefactor 1.0027 1.3002 -.82792E-05 .43183E-04 ERR DEF= .500 Final values: norm = 0 alpha = 1.42389 Normalizat = 1.14095 Prefactor = 1.00265 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 31376.64 FROM HESSE STATUS=FAILED 9 CALLS 193 TOTAL EDM= .37E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm .0000 6.7350 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 alpha .45924 1.0734 -.14777E-04 -.44499 3 Normalizat 1.1410 1.1309 .44711E-05 -.88448 4 Prefactor 1.0027 1.3002 -.82792E-05 -.92641 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 3.70904e-12 Minuit parameter uncertainties: 1 1.84039e-05 2 1.02341 3 1.15641 4 1.34465 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) = 31376.6432097 delta logL = 5.22777554579e-09 Extracting fit parameters... 4FGL J1841.8+3218 Spectrum: LogParabola 365 norm: 0.000e+00 1.840e-05 0.000e+00 1.000e+06 ( 1.000e-14) 366 alpha: 1.424e+00 1.023e+00 0.000e+00 5.000e+00 ( 1.000e+00) 367 beta: 2.467e-01 0.000e+00 -5.000e+00 1.000e+01 ( 1.000e+00) fixed 368 Eb: 3.657e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 821 Prefactor: 1.003e+00 1.345e+00 0.000e+00 1.000e+01 ( 1.000e+00) 822 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 823 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 820 Normalization: 1.141e+00 1.156e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 280.453 32.301 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/27678558/cmap_HighResolution_801446401_802051201_4FGL_J1841.8+3218_weekly_bin930.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='2.18e-05', job_status='DONE', photon_flux_upper_limit='6.69e-09', time_completed='2026-06-02 18:51:51.347399', job_id='27678558', GAL2='1.00', fit_tolerance='1e-08', EG2='1.14', EG='1.14', time_epoch_completed='1780451511.35', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='1.00', dlogl='5.23e-09', ts2='0.00', photon_index_error='0.00', photon_index='1.56' WHERE bin_id='930' AND source_name='4FGL J1841.8+3218' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Jun 2 18:51:51 PDT 2026