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/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 = 7459 number of fields = 31 RA_SUN column already exists. File will not be modified. number of points = 7459 number of fields = 31 RA_SUN column already exists. File will not be modified. Done. Performing analysis on: 4FGL_J1855.9+0121e_daily_bin2195 RA = 283.99, Dec = 1.355 tmin = 808272001, tmax = 808531201 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='41006783', job_status='RUN', time_executed='2026-10-16 01:35:25.473150', time_epoch_executed='1792139725.47' WHERE source_name='4FGL J1855.9+0121e' and cadence='daily' and bin_id='2195' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/41006783 Creating custom pfile directory: /lscratch/kocevski/41006783/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=808272001.0 && nMetStart<808531201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=808272001.0 && nMetStart<808531201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/41006783/ft1_4FGL_J1855.9+0121e_daily_bin2195.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=808272001.0 && nMetStart<808531201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/41006783/ft2_4FGL_J1855.9+0121e_daily_bin2195.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/41006783/ft1_4FGL_J1855.9+0121e_daily_bin2195.fits outfile=/lscratch/kocevski/41006783/ft1_filteredMKT_4FGL_J1855.9+0121e_daily_bin2195.fits ra=283.99 dec=1.355 rad=12.0 tmin=808272001.0 tmax=808531201.0 emin=100.0 emax=100000.0 zmin=0.0 zmax=90.0 evclass=128 evtype="INDEF" convtype=-1 phasemin=0.0 phasemax=1.0 evtable="EVENTS" chatter=2 clobber=yes debug=no gui=no mode="ql" WARNING: version mismatch between CFITSIO header (v3.43) and linked library (v3.41). Done. real 2.70 user 2.42 sys 0.17 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/41006783/ft2_4FGL_J1855.9+0121e_daily_bin2195.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/41006783/ft2_4FGL_J1855.9+0121e_daily_bin2195.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/41006783/ft1_filteredMKT_4FGL_J1855.9+0121e_daily_bin2195.fits evtable="EVENTS" outfile="/lscratch/kocevski/41006783/ft1_filtered_4FGL_J1855.9+0121e_daily_bin2195.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 0.46 user 0.19 sys 0.12 Number of photons that the gtmktime cut: 7432 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/41006783/ft1_filtered_4FGL_J1855.9+0121e_daily_bin2195.fits" evtable="EVENTS" scfile=/lscratch/kocevski/41006783/ft2_4FGL_J1855.9+0121e_daily_bin2195.fits sctable="SC_DDone. Performing analysis on: 4FGL_J1855.9+0121e_daily_bin2195 RA = 283.99, Dec = 1.355 tmin = 808272001, tmax = 808531201 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='41006726', job_status='RUN', time_executed='2026-10-16 01:35:20.404705', time_epoch_executed='1792139720.4' WHERE source_name='4FGL J1855.9+0121e' and cadence='daily' and bin_id='2195' Database successfully updated. Done. Creating custom output directory: /lscratch/kocevski/41006726 Creating custom pfile directory: /lscratch/kocevski/41006726/pfiles/ Retrieving the FT1 file... Issuing command: datacat find --group FT1 --filter 'nMetStop>=808272001.0 && nMetStart<808531201.0' /Data/Flight/Reprocess/P305 Issuing command: datacat find --group FT1 --filter 'nMetStart>564945418 && nMetStop>=808272001.0 && nMetStart<808531201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Checksum keywords updated successfully. Merged file saved to: /lscratch/kocevski/41006726/ft1_4FGL_J1855.9+0121e_daily_bin2195.fits Retrieving the FT1 file... Issuing command: datacat find --group FT2 --filter 'nMetStop>=808272001.0 && nMetStart<808531201.0' /Data/Flight/Level1/LPA Retrieving 46 files... Done. Merging files... Merged file saved to: /lscratch/kocevski/41006726/ft2_4FGL_J1855.9+0121e_daily_bin2195.fits Selecting the photons: time -p gtselect infile=/lscratch/kocevski/41006726/ft1_4FGL_J1855.9+0121e_daily_bin2195.fits outfile=/lscratch/kocevski/41006726/ft1_filteredMKT_4FGL_J1855.9+0121e_daily_bin2195.fits ra=283.99 dec=1.355 rad=12.0 tmin=808272001.0 tmax=808531201.0 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 3.09 user 2.77 sys 0.21 Adding sun position to ft2 file: /sdf/group/fermi/g/LCRepository/Repository/bin/sunpos /lscratch/kocevski/41006726/ft2_4FGL_J1855.9+0121e_daily_bin2195.fits Selecting the good time intervals: time -p gtmktime scfile=/lscratch/kocevski/41006726/ft2_4FGL_J1855.9+0121e_daily_bin2195.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/41006726/ft1_filteredMKT_4FGL_J1855.9+0121e_daily_bin2195.fits evtable="EVENTS" outfile="/lscratch/kocevski/41006726/ft1_filtered_4FGL_J1855.9+0121e_daily_bin2195.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 0.46 user 0.20 sys 0.13 Number of photons that the gtmktime cut: 7432 Generating the livetime cube: time -p gtltcube evfile="/lscratch/kocevski/41006726/ft1_filtered_4FGL_J1855.9+0121e_daily_bin2195.fits" evtable="EVENTS" scfile=/lscratch/kocevski/41006726/ft2_4FGL_J1855.9+0121e_daily_bin2195.fits sctable="SC_DA