[xpobssim] Livetime and exposure-related keywords are wrong when running with --onbrdcalib True

[lucabaldini]

xpobssim.py --config ixpeobssim/config/toy_point_source.py --saa True --occult True --onbrdcalib True --duration 10000


CREATOR = 'xpobssim.py ver. 16.17.0' / s/w task which wrote this dataset        
DATE    = '2021-08-26T09:04:14.302977' / file creation date                     
TELESCOP= 'IXPE    '           / Telescope name                                 
INSTRUME= 'GPD     '           / Instrument name                                
DETNAM  = 'DU1     '           / Name of the logical detector unit              
DET_ID  = 'DU_FM2  '           / Name of the physical detector unit             
OBS_ID  =                   -1 / Observation ID                                 
CONTNUMB=                   -1 / Contact number                                 
OBS_MODE= 'OBSERVATION SIMULATION' / Observation mode                           
SRC_CONF= 'ASTRO   '           / Source configuration                           
TSTART  =          167270400.0 / Observation start time in MET                  
TSTOP   =          167280400.0 / Observation end time in MET                    
TELAPSE =              10000.0 / TSTOP-TSTART                                   
TIMESYS = 'TT      '           / Time system                                    
TIMEUNIT= 'seconds '           / Time units                                     
TIMEREF = 'LOCAL   '           / Time reference                                 
MJDREFI =                57754 / MJD ref day 01 Jan 2017 00:00:00 UTC           
MJDREFF =     0.00080074074074 / Frac part of MJD ref (32.184secs+37leapsecs)   
TIMEZERO=                  0.0 / Zero time                                      
ONTIME  =    6044.058227539062 / On source time                                 
LIVETIME=    7305.146167999999 / On source time corrected for dead time         
EXPOSURE=    7305.146167999999 / Exposure time                                  
DEADC   =    1.208649204389682 / Dead time correction                           
DEADAPP = 'F       '           / Has DEADC been applied to data                 
RA_OBJ  =                 30.0 / [deg] R.A. Object                              
DEC_OBJ =                 45.0 / [deg] Dec Object                               
RA_PNT  =                 30.0 / [deg] RA pointing                              
DEC_PNT =                 45.0 / [deg] Dec pointing                             
OBJECT  = 'toy_point_source'   / Name of observed object                        
FILE_LVL= 'LV2     '           / File level                                     
LV2_VER =                   -1 / Version of the LV2 data format                 
DATE-OBS= '2022-04-21T00:00:00.000000' / Observation start datetime             
DATE-END= '2022-04-21T02:46:40.000000' / Observation end datetime               
ORIGIN  = 'IXPE team'          / Organization responsible for the data          
CALDBVER=                   -1 / CALDB version                                  
FCW_POS =                   -1 / Position of the FCW                            
FCW_CMD =                   -1 / Commanded value of the FCW encoder             
FCW_ENC =                   -1 / Readout value of the FCW encoder               
CLOCKCOR= 'UNKNOWN '           / Whether the time has been corrected   

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Original url: https://bitbucket.org/ixpesw/ixpeobssim/issues/457
Created on 2021-08-26T09:07:54.571048+00:00