/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 = 17444 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1608.0+4949_weekly_bin922 RA = 242.014, Dec = 49.829 tmin = 796608001, tmax = 797212801 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='24930641', job_status='RUN', time_executed='2026-04-07 01:23:53.499078', time_epoch_executed='1775550233.5' WHERE source_name='4FGL J1608.0+4949' and cadence='weekly' and bin_id='922' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/24930641 Creating custom pfile directory: /lscratch/kocevski/24930641/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/24930641/ft1_4FGL_J1608.0+4949_weekly_bin922.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=796608001.0 && nMetStart<797212801.0' /Data/Flight/Level1/LPA Retrieving 108 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/24930641/ft1_4FGL_J1608.0+4949_weekly_bin922.fits outfile=/lscratch/kocevski/24930641/ft1_filteredMKT_4FGL_J1608.0+4949_weekly_bin922.fits ra=242.014 dec=49.829 rad=12.0 tmin=796608001.0 tmax=797212801.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 5.32 user 4.36 sys 0.31 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.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/24930641/ft1_filteredMKT_4FGL_J1608.0+4949_weekly_bin922.fits evtable="EVENTS" outfile="/lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.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 0.73 user 0.22 sys 0.13 Number of photons that the gtmktime cut: 1326 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits" evtable="EVENTS" scfile=/lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits sctable="SC_DATA" outfile=/lscratch/kocevski/24930641/ltcube_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.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/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits .....................! real 19.12 user 18.31 sys 0.22 Generating the exposure map: time -p gtexpmap evfile=/lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits evtable="EVENTS" scfile=/lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits sctable="SC_DATA" expcube=/lscratch/kocevski/24930641/ltcube_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.fits outfile=/lscratch/kocevski/24930641/expmap_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.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/24930641/ltcube_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.fits .....................! real 67.83 user 63.29 sys 3.79 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 212 point sources and 0 extended sources Setting source of interest to: 4FGL J1608.0+4949 @ 242.014 49.829 Creating the counts map: time -p gtbin evfile=/lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits scfile=/lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits outfile=/lscratch/kocevski/24930641/cmap_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.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=242.014 yref=49.829 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 0.68 user 0.22 sys 0.13 Creating the high resolution counts map: time -p gtbin evfile=/lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits scfile=/lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits outfile=/lscratch/kocevski/24930641/cmap_HighResolution_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.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=242.014 yref=49.829 axisrot=0.0 rafield="RA" decfield="DEC" proj="AIT" hpx_ordering_scheme="RING" hpx_order=3 hpx_ebin=yes hpx_region="" evtable="EVENTS" sctable="SC_DATA" efield="ENERGY" tfield="TIME" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). This is gtbin version HEAD real 0.74 user 0.22 sys 0.14 Computing the diffuse response: time -p gtdiffrsp evfile=/lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits evtable="EVENTS" scfile=/lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits sctable="SC_DATA" srcmdl=/lscratch/kocevski/24930641/Model_4FGL_J1608.0+4949_weekly_bin922.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/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits.....................! real 37.77 user 36.05 sys 1.03 Creating the likelihood object... obs = UnbinnedObs('/lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits', '/lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits', expMap='/lscratch/kocevski/24930641/expmap_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.fits', expCube='/lscratch/kocevski/24930641/ltcube_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.fits', irfs='P8R3_SOURCE_V2') like = UnbinnedAnalysis(obs, '/lscratch/kocevski/24930641/Model_4FGL_J1608.0+4949_weekly_bin922.xml', optimizer='MINUIT') Using source of interest name: '4FGL J1608.0+4949' 4FGL J1608.0+4949 Spectrum: PowerLaw 308 Prefactor: 4.577e+00 0.000e+00 0.000e+00 1.000e+06 ( 1.000e-14) 309 Index: 2.267e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 310 Scale: 1.615e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed Likelihood Fit Parameters: Event file(s): /lscratch/kocevski/24930641/ft1_filtered_4FGL_J1608.0+4949_weekly_bin922.fits Spacecraft file(s): /lscratch/kocevski/24930641/ft2_4FGL_J1608.0+4949_weekly_bin922.fits Exposure map: /lscratch/kocevski/24930641/expmap_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.fits Exposure cube: /lscratch/kocevski/24930641/ltcube_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.fits IRFs: P8R3_SOURCE_V2 Source model file: /lscratch/kocevski/24930641/Model_4FGL_J1608.0+4949_weekly_bin922.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) = 14263.7112449 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14263.5880709 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'norm ' 1.2433 1.0000 .0000 .10000E+07 2 'Prefactor ' 3.1081 1.0000 .0000 .10000E+07 3 'Prefactor ' .80547E-06 1.0000 .0000 .10000E+07 4 'Prefactor ' 9.0016 1.0000 .0000 .10000E+07 5 'norm ' 1.9277 1.0000 .0000 .10000E+07 6 'Prefactor ' .37333E-03 1.0000 .0000 .10000E+07 7 'Prefactor ' .86844E-03 1.0000 .0000 .10000E+07 8 'Prefactor ' .11388E-03 1.0000 .0000 .10000E+07 9 'Prefactor ' .31825E-03 1.0000 .0000 .10000E+07 10 'Prefactor ' .19269E-03 1.0000 .0000 .10000E+07 11 'norm ' .19494E-03 1.0000 .0000 .10000E+07 12 'Prefactor ' .33653E-04 1.0000 .0000 .10000E+07 13 'Prefactor ' .51060E-02 1.0000 .0000 .10000E+07 14 'Prefactor ' .98095E-04 1.0000 .0000 .10000E+07 15 'Prefactor ' .32390E-01 1.0000 .0000 .10000E+07 16 'Prefactor ' 2.3757 1.0000 .0000 .10000E+07 17 'Prefactor ' .34181E-01 1.0000 .0000 .10000E+07 18 'norm ' 13.023 1.0000 .0000 .10000E+07 19 'norm ' 4.2376 1.0000 .0000 .10000E+07 20 'Prefactor ' 4.3369 1.0000 .0000 .10000E+07 21 'Prefactor ' 1.1748 1.0000 .0000 .10000E+07 22 'norm ' .20757 1.0000 .0000 .10000E+07 23 'Prefactor ' 2.0867 1.0000 .0000 .10000E+07 24 'Prefactor ' 6.7181 1.0000 .0000 .10000E+07 25 'Prefactor ' 2.2123 1.0000 .0000 .10000E+07 26 'Prefactor ' .26645E-08 1.0000 .0000 .10000E+07 27 'Prefactor ' 16.951 1.0000 .0000 .10000E+07 28 'norm ' .44953 1.0000 .0000 .10000E+07 29 'Prefactor ' .59705E-05 1.0000 .0000 .10000E+07 30 'Normalizat' .80751 1.0000 .10000E-01 10.000 31 'Prefactor ' .96867 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6800E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 14263.59 FROM MIGRAD STATUS=CONVERGED 174 CALLS 2369 TOTAL EDM= .12E-08 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 1.3% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 norm 1.2433 .78982 -.11488E-06 -.81635E-02 2 Prefactor 3.0869 2.2122 -.85328E-07 .45523E-03 3 Prefactor .0000 .62065 -.51116E-07** at limit ** 4 Prefactor 8.9664 3.7038 -.13466E-06 -.43836E-02 5 norm 1.9269 1.4608 -.16559E-06 -.15291E-02 6 Prefactor .11102E-09 3.0173 -.34515E-06** at limit ** 7 Prefactor .0000 3.9311 -.61309E-06** at limit ** 8 Prefactor .12777E-05 5.8705 -.11071E-05** at limit ** 9 Prefactor .46851E-07 6.5238 .29335E-06** at limit ** 10 Prefactor .11102E-09 1.8006 .15857E-06** at limit ** 11 norm .65586E-06 6.1299 -.22647E-05** at limit ** 12 Prefactor .39968E-08 32.660 .20676E-05** at limit ** 13 Prefactor .37087E-06 9.4629 .18208E-05** at limit ** 14 Prefactor .0000 2.1336 -.51251E-06** at limit ** 15 Prefactor .36748E-07 .87091 .19312E-06** at limit ** 16 Prefactor 2.3732 3.0167 .52647E-06 .48243E-02 17 Prefactor .35475E-01 13.970 .47703E-05** at limit ** 18 norm 13.045 1.1445 -.34584E-07 -.43202E-02 19 norm 4.2436 5.8928 -.11353E-05 -.69579E-02 20 Prefactor 4.3351 2.2090 .94362E-07 .47982E-02 21 Prefactor 1.1737 2.6025 .13749E-06 -.90413E-03 22 norm .42829E-05 5.2490 .21209E-05** at limit ** 23 Prefactor 2.0874 1.1950 -.74681E-07 -.35554E-02 24 Prefactor 6.7180 1.5902 .54885E-07 -.36397E-02 25 Prefactor 2.2132 1.7932 .40650E-09 -.10576E-02 26 Prefactor .0000 .90528 -.84418E-07** at limit ** 27 Prefactor 16.913 1.2966 -.18817E-07 -.10351E-01 28 norm .44956 .49242 .19170E-06 -.10645E-02 29 Prefactor .0000 1.3988 -.42210E-07** at limit ** 30 Normalizat .80778 .12593 -.36709E-05 -.10715E-02 31 Prefactor .96858 .12927 -.29060E-05 -.11316E-02 ERR DEF= .500 Final values: norm = 1.24334 Prefactor = 3.08688 Prefactor = 0 Prefactor = 8.96638 norm = 1.92687 Prefactor = 1.11022e-10 Prefactor = 0 Prefactor = 1.2777e-06 Prefactor = 4.68514e-08 Prefactor = 1.11022e-10 norm = 6.55864e-07 Prefactor = 3.9968e-09 Prefactor = 3.7087e-07 Prefactor = 0 Prefactor = 3.67484e-08 Prefactor = 2.37317 Prefactor = 0.0354746 norm = 13.0445 norm = 4.24362 Prefactor = 4.33507 Prefactor = 1.1737 norm = 4.28291e-06 Prefactor = 2.08741 Prefactor = 6.71803 Prefactor = 2.21323 Prefactor = 0 Prefactor = 16.9133 norm = 0.449558 Prefactor = 0 Normalizat = 0.807784 Prefactor = 0.968583 ********** ** 18 **HESSE ********** FCN= 14263.59 FROM HESSE STATUS=OK 704 CALLS 3073 TOTAL EDM= .23E-06 STRATEGY= 1 ERROR MATRIX ACCURATE EXT PARAMETER INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 norm 1.2433 .79153 .10045E-02 -1.5686 2 Prefactor 3.0869 5.5740 .57492E-03 -1.5673 3 Prefactor .0000 .62245 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 4 Prefactor 8.9664 4.6140 .33382E-03 -1.5648 5 norm 1.9269 1.4731 .74789E-03 -1.5680 6 Prefactor .11102E-09 3.0281 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 7 Prefactor .0000 3.9644 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 8 Prefactor .12777E-05 11.738 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 9 Prefactor .46851E-07 6.7546 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 10 Prefactor .11102E-09 1.8028 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 11 norm .65586E-06 8.3591 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 12 Prefactor .39968E-08 32.871 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 13 Prefactor .37087E-06 12.240 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 14 Prefactor .0000 2.1269 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 15 Prefactor .36748E-07 5.5986 .91248E-02 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 16 Prefactor 2.3732 3.1005 .66441E-03 -1.5677 17 Prefactor .35475E-01 .56223 .54785E-02 -1.5704 WARNING - - ABOVE PARAMETER IS AT LIMIT. 18 norm 13.045 13.131 .27732E-03 -1.5636 19 norm 4.2436 5.9258 .48925E-03 -1.5667 20 Prefactor 4.3351 2.2206 .48346E-03 -1.5666 21 Prefactor 1.1737 2.6455 .10567E-02 -1.5686 22 norm .42829E-05 14.618 .15964E-01 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 23 Prefactor 2.0874 1.1869 .71444E-03 -1.5679 24 Prefactor 6.7180 1.5852 .38689E-03 -1.5656 25 Prefactor 2.2132 1.8351 .69125E-03 -1.5678 26 Prefactor .0000 .89920 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 27 Prefactor 16.913 8.8582 .24300E-03 -1.5626 28 norm .44956 .50942 .83958E-03 -1.5695 29 Prefactor .0000 1.3980 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 30 Normalizat .80778 .10733 .43708E-01 -.99781 31 Prefactor .96858 .10921 .45874E-01 -.93784 ERR DEF= .500 Minuit fit quality: 3 estimated distance: 2.29993e-07 Minuit parameter uncertainties: 1 0.791534 2 5.57405 3 9.7391e-07 4 4.614 5 1.47313 6 3.61645e-05 7 1.55894e-05 8 0.00774536 9 0.00112523 10 2.89365e-05 11 0.004683 12 0.000724762 13 0.00426113 14 1.52779e-05 15 0.00090695 16 3.10054 17 0.282453 18 13.131 19 5.92586 20 2.22055 21 2.64552 22 0.0158249 23 1.18688 24 1.58525 25 1.83514 26 5.89735e-06 27 8.85819 28 0.509416 29 9.88477e-06 30 0.107355 31 0.109234 Done. MINUIT Return Code (Fixed Index): 0 logL (Fixed Index) = 14263.586304 Extracting fit parameters... 4FGL J1608.0+4949 Spectrum: PowerLaw 308 Prefactor: 3.709e-07 4.261e-03 0.000e+00 1.000e+06 ( 1.000e-14) 309 Index: 2.267e+00 0.000e+00 0.000e+00 1.000e+01 (-1.000e+00) fixed 310 Scale: 1.615e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 677 Prefactor: 9.686e-01 1.092e-01 0.000e+00 1.000e+01 ( 1.000e+00) 678 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 679 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 676 Normalization: 8.078e-01 1.074e-01 1.000e-02 1.000e+01 ( 1.000e+00) TS (Fixed Index): -0.00 Ra Dec: 242.014 49.829 Photon Flux Upper Limit: 2.39102597226e-08 ph cm-2 s-1 Energy Flux Upper Limit: 0.00183066778492 MeV cm-2 s-1 Saving results to: /lscratch/kocevski/24930641/likelihoodResults_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.txt Performing a free index iterative likelihood fit... Freezing all point sources, except source of interest... Done. Freeing candidate source... Done. Fit tolerance = 1 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 14263.6254217 delta logL = -0.0391176467783 Fit tolerance = 0.0001 Performing likelihood fit... Done. MINUIT Return Code (Free Index): 102 logL (Free Index) = 14263.5863042 delta logL = -1.15629518405e-07 Fit tolerance = 1e-08 Performing likelihood fit... ********** ** 14 **SET NOWARN ********** PARAMETER DEFINITIONS: NO. NAME VALUE STEP SIZE LIMITS 1 'Prefactor ' .10856E-05 1.0000 .0000 .10000E+07 2 'Index ' 1.1059 1.0000 .0000 10.000 3 'Normalizat' .80782 1.0000 .10000E-01 10.000 4 'Prefactor ' .96856 1.0000 .0000 10.000 ********** ** 15 **SET ERR .5000 ********** ********** ** 16 **SET GRAD 1.000 ********** ********** ** 17 **MINIMIZE .6800E+05 .2000E-04 ********** MIGRAD MINIMIZATION HAS CONVERGED. FCN= 14263.59 FROM MIGRAD STATUS=CONVERGED 35 CALLS 200 TOTAL EDM= .10E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY= 2.4% EXT PARAMETER STEP FIRST NO. NAME VALUE ERROR SIZE DERIVATIVE 1 Prefactor .0000 10.527 -.31459E-06** at limit ** 2 Index 2.4026 6.1842 .27673E-04 .0000 3 Normalizat .80778 .12279 .71936E-06 -.48470E-04 4 Prefactor .96858 .12797 .98377E-07 -.44247E-04 ERR DEF= .500 Final values: Prefactor = 0 Index = 2.40259 Normalizat = 0.807784 Prefactor = 0.968583 ********** ** 18 **HESSE ********** MNHESS FAILS AND WILL RETURN DIAGONAL MATRIX. FCN= 14263.59 FROM HESSE STATUS=FAILED 11 CALLS 211 TOTAL EDM= .10E-11 STRATEGY=1 ERROR MATRIX UNCERTAINTY=100.0% EXT PARAMETER APPROXIMATE INTERNAL INTERNAL NO. NAME VALUE ERROR STEP SIZE VALUE 1 Prefactor .0000 10.506 .42118E-03 -1.5708 WARNING - - ABOVE PARAMETER IS AT LIMIT. 2 Index .64743 1.9344 .27673E-04 -.54624 3 Normalizat .80778 1.1464 .71936E-06 -.99781 4 Prefactor .96858 1.3097 .98377E-07 -.93784 ERR DEF= .500 Minuit fit quality: 1 estimated distance: 1.02224e-12 Minuit parameter uncertainties: 1 1.89568e-05 2 1.59641 3 1.18374 4 1.35676 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) = 14263.586304 delta logL = 1.54141162056e-08 Extracting fit parameters... 4FGL J1608.0+4949 Spectrum: PowerLaw 308 Prefactor: 0.000e+00 1.896e-05 0.000e+00 1.000e+06 ( 1.000e-14) 309 Index: 2.403e+00 1.596e+00 0.000e+00 1.000e+01 (-1.000e+00) 310 Scale: 1.615e+03 0.000e+00 3.000e+01 5.000e+05 ( 1.000e+00) fixed GAL_V02 Spectrum: PowerLaw 677 Prefactor: 9.686e-01 1.357e+00 0.000e+00 1.000e+01 ( 1.000e+00) 678 Index: 0.000e+00 0.000e+00 -1.000e+00 1.000e+00 ( 1.000e+00) fixed 679 Scale: 1.000e+02 0.000e+00 5.000e+01 2.000e+02 ( 1.000e+00) fixed EG_v02 Spectrum: FileFunction 676 Normalization: 8.078e-01 1.184e+00 1.000e-02 1.000e+01 ( 1.000e+00) TS (Free Index): -0.00 Ra Dec: 242.014 49.829 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/24930641/cmap_HighResolution_796608001_797212801_4FGL_J1608.0+4949_weekly_bin922.png Cleaning up... ** Nuclear option initiated! ** Updating database... UPDATE lightcurve_data_v2 SET energy_flux_upper_limit='1.83e-03', job_status='DONE', photon_flux_upper_limit='2.39e-08', time_completed='2026-04-07 01:37:18.582981', job_id='24930641', GAL2='0.97', fit_tolerance='1e-08', EG2='0.81', EG='0.81', time_epoch_completed='1775551038.58', return_code2='101', ts='-0.00', comment='SUCCESS', return_code='0', GAL='0.97', dlogl='1.54e-08', ts2='0.00', photon_index_error='0.00', photon_index='2.27' WHERE bin_id='922' AND source_name='4FGL J1608.0+4949' AND cadence='weekly'; Database successfully updated. Analysis Complete. Tue Apr 7 01:37:18 PDT 2026