origin,s,h,"ASC",,,"Source of FITS file" creator,s,h,"hrc_process_events - Version DS10.13",,,"tool that created this output" ascdsver,s,h,"10.13",,,"Processing system revision" title,s,h,"AO-26 Calibration Observations of Capella",,,"Proposal title" observer,s,h,"CXC Calibration",,,"Principal investigator" object,s,h,"Capella",,,"Source name" ds_ident,s,h,"10.25574/30856",,,"Dataset Identifier: DOI" tlmver,s,h,"P017",,,"Telemetry revision number (IP&CL)" revision,i,h,1,,,"Processing version of data" checksum,s,h,"Zhb3deZ2Zea2beY2",,,"HDU checksum updated 2025-03-19T14:10:27" datasum,s,h,"4029045534",,,"data unit checksum updated 2025-03-19T14:09:30" content,s,h,"EVT1",,,"What data product" hduspec,s,h,"HRC Level 0 Data Products ICD Version 1.5",,,"ICD reference" hdudoc,s,h,"ASC-FITS-2.0: McDowell, Rots: ASC FITS File Designers Guide",,,"" hduvers,s,h,"1.0.0",,,"" hduclass,s,h,"OGIP",,,"" hduclas1,s,h,"EVENTS",,,"" hduclas2,s,h,"ALL",,,"" asolfile,s,h,"pcadf30856_000N001_asol1.fits",,,"aspect offset files" adccorf,s,h,"NONE",,,"ADC correction file used" bpixfile,s,h,"hrcf30856_000N001_bpix1.fits",,,"Bad pixel file used" gaincorf,s,h,"hrcsD2012-03-29t_gmapN0004.fits",,,"gain correction file used" gmapver,i,h,2,,,"hrc-S gainmap version; 0=legacy;" degap,s,h,"hrcsD1999-07-22gaplookupN0006.fits",,,"" hypfile,s,h,"hrcsD1999-07-22fptestN0004.fits",,,"hyperbolic test file used" tapring,s,h,"hrcsD1999-07-22tapringN0002.fits",,,"tapring coeff file used" flatfile,s,h,"hrcsD1999-07-22eftestN0001.fits",,,"flatness test file used" satfile,s,h,"hrcsD1999-07-22sattestN0002.fits",,,"saturation test file used" ampsffil,s,h,"hrcsD1999-07-22amp_sf_corN0001.fits",,,"AMF_SF Correction file used" widthres,i,h,2,,,"width threshold" rand_sky,r,h,0.0,,,"pixel randomization" date,s,h,"2025-03-19T14:09:25",,,"Date and time of file creation" mjd-obs,r,h,60753.043537642,,,"Modified Julian date of observation" dataclas,s,h,"OBSERVED",,,"default" radesys,s,h,"ICRS",,,"default" date-obs,s,h,"2025-03-19T01:02:41",,,"Observation start date" date-end,s,h,"2025-03-19T04:43:09",,,"Observation end date" timesys,s,h,"TT",,,"Time system" mjdref,r,h,50814.0,,,"[d] MJD zero point for times" timezero,r,h,0.0,,,"[s] Clock correction" timeunit,s,h,"s",,,"Time unit" btimnull,r,h,853179368.03762,,,"Basic Time offset (s)" btimrate,r,h,0.25625001681388,,,"Basic Time clock rate (s/VCDUcount)" btimdrft,r,h,8.9296494706054e-19,,,"Basic Time clock drift (s/VCDUcount^2)" btimcorr,r,h,0.0,,,"Correction applied to basic time rate (s)" timeref,s,h,"LOCAL",,,"Time reference (barycenter/local)" tassign,s,h,"SATELLITE",,,"Time assigned by clock" clockapp,b,h,yes,,,"Clock correction applied" tierrela,r,h,1.0e-09,,,"Short-term clock stability" tierabso,r,h,5.0e-05,,,"Absolute precision of clock correction" timversn,s,h,"ASC-FITS-2",,,"Timing system definition" tstart,r,h,858733361.65226,,,"[s] Observation start time (MET)" tstop,r,h,858746589.79063,,,"[s] Observation end time (MET)" obs_mode,s,h,"POINTING",,,"Observation mode" startmjf,i,h,38258,,,"Major frame ctr value at start of data" startmnf,i,h,4,,,"Start minor frame ctr at start of data" startobt,r,h,0.0,,,"On-Board MET close to STARTMJF and STARTMNF" stopmjf,i,h,38260,,,"Major frame ctr value at stop of data" stopmnf,i,h,0,,,"Stop minor frame ctr at end of data" timepixr,r,h,0.5,,,"Time stamp reference as bin fraction" timedel,r,h,1.5625e-05,,,"Time resolution of data (in seconds)" mission,s,h,"AXAF",,,"Mission" telescop,s,h,"CHANDRA",,,"Telescope" sim_x,r,h,-1.4281808131318,,,"[mm] SIM focus pos" sim_y,r,h,0.0,,,"[mm] SIM orthogonal axis pos" sim_z,r,h,253.46309691966,,,"[mm] SIM translation stage pos" foc_len,r,h,10070.0,,,"[mm] HRMA focal length" instrume,s,h,"HRC",,,"Instrument" grating,s,h,"LETG",,,"Grating" detnam,s,h,"HRC-S",,,"Detector" ra_pnt,r,h,79.181200628816,,,"[deg] Pointing RA" dec_pnt,r,h,45.992470663955,,,"[deg] Pointing Dec" roll_pnt,r,h,275.04117210619,,,"[deg] Pointing Roll" ra_targ,r,h,79.173042,,,"[deg] Observer's specified target RA" dec_targ,r,h,45.995144,,,"[deg] Observer's specified target Dec" defocus,r,h,0.10515582627252,,,"[mm] SIM defocus" ra_nom,r,h,79.181200628816,,,"[deg] Nominal RA" dec_nom,r,h,45.992470663955,,,"[deg] Nominal Dec" roll_nom,r,h,275.04117210619,,,"[deg] Nominal Roll" obs_id,s,h,"30856",,,"Observation id" tlm_fmt,i,h,2,,,"Format in which this data was telemetered" datamode,s,h,"OBSERVING",,,"Data mode" obi_num,i,h,0,,,"Obi number" seq_num,s,h,"291771",,,"Sequence number" histnum,i,h,443,,,"" limfile1,s,h,"/home/ascds/DS.ap/data/hrc_gti_all_lim.fits",,,"GTI Limit file" rangelev,i,h,126,,,"range_switch_level" ampsfcor,b,h,yes,,,"TRUE=apply_amp_sf_corr; FALSE=NOT_apply;" acsys1,s,h,"RAW:AXAF-HRC-1.1",,,"reference for raw chip coord system" acsys2,s,h,"CHIP:AXAF-HRC-1.1",,,"reference for degap corrected chip coord system" acsys3,s,h,"TDET:HRC-2.7S",,,"reference for tiled detector coord system" acsys4,s,h,"DET:ASC-FP-2.3",,,"reference for focal plane coord system" acsys5,s,h,"SKY:ASC-FP-2.3",,,"reference for sky coord system" asptype,s,h,"KALMAN",,,"" ontime,r,h,10047.050660133,,,"[s] " dtcor,r,h,0.97767446918981,,,"Dead time correction" livetime,r,h,9822.7449210686,,,"Ontime multiplied by DTCOR" exposure,r,h,9822.7449210686,,,"Total exposure time, with all known corr. appl." aimpfile,s,h,"telD1999-07-23aimptsN0002.fits",,,"" geomfile,s,h,"telD1999-07-23geomN0007.fits",,,"" skyfile,s,h,"telD1999-07-23skyN0002.fits",,,"" tdetfile,s,h,"telD1999-07-23tdetN0001.fits",,,"" shellfil,s,h,"telD1999-07-23sgeomN0001.fits",,,"" dtffile,s,h,"hrcf30856_000N001_dtf1.fits",,,"" maskfile,s,h,"hrcf30856_000N001_msk1.fits",,,"" fltfile,s,h,"hrcf30856_000N001_std_flt1.fits",,,"" dy_avg,r,h,0.0,,,"[mm] Mean DY during observation" dz_avg,r,h,0.0,,,"[mm] Mean DZ during observation" dth_avg,r,h,0.0,,,"[deg] Mean DTHETA during observation" mtlfile,s,h,"hrcf30856_000N001_mtl1.fits",,,"" caldbver,s,h,"4.12.0",,,""