observer,s,h,"Dr. Jurgen Schmitt",,,"Principal investigator" object,s,h,"BETA CETI",,,"Source name" origin,s,h,"ASC",,,"Source of FITS file" creator,s,h,"hrc_process_events - Version DS 7.6.10",,,"tool that created this outp" ascdsver,s,h,"7.6.10",,,"Processing system revision" tlmver,s,h,"P008",,,"Telemetry revision number (IP&CL)" revision,i,h,2,,,"Processing version of data" ra_pnt,r,h,10.897081023792,,,"Pointing RA" dec_pnt,r,h,-17.981955248879,,,"Pointing Dec" roll_pnt,r,h,91.584596952324,,,"Pointing Roll" ra_targ,r,h,10.897083,,,"Observer's specified target RA" dec_targ,r,h,-17.986667,,,"Observer's specified target Dec" defocus,r,h,0.10515582627252,,,"SIM defocus (mm)" ra_nom,r,h,10.89897,,,"Nominal RA" dec_nom,r,h,-17.990999,,,"Nominal Dec" roll_nom,r,h,294.227363,,,"Nominal Roll" checksum,s,h,"bOZ5eNX2bNX2bNX2",,,"HDU checksum updated 2007-01-26T03:57:49" datasum,s,h,"4286226007",,,"data unit checksum updated 2007-01-26T02:23:08" content,s,h,"EVT1",,,"What data product" detnam,s,h,"HRC-S",,,"Detector" obs_id,s,h,"2547",,,"Observation id" 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",,,"" asolfile,s,h,"pcadf145842979N002_asol1.fits",,,"aspect offset files" adccorf,s,h,"NONE",,,"ADC correction file used" bpixfile,s,h,"hrcf02547_002N002_bpix1.fits",,,"Bad pixel file used" gaincorf,s,h,"hrcsD1999-07-22gainN0001.fits",,,"gain correction file used" degap,s,h,"hrcsD1999-07-22gaplookupN0002.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" hduclas2,s,h,"ALL",,,"" seq_num,s,h,"200155",,,"Sequence number" mjd_obs,r,h,52501.987358331,,,"Modified Julian date of observation" ds_ident,s,h,"ADS/Sa.CXO#obs/02547",,,"dataset identifier" equinox,r,h,2000.0,,,"default" dataclas,s,h,"OBSERVED",,,"default" radecsys,s,h,"ICRS",,,"default" obi_num,i,h,2,,,"Obi number" date,s,h,"2007-01-26T02:12:00",,,"Date and time of file creation" date-obs,s,h,"2002-08-15T23:41:47",,,"Observation start date" date-end,s,h,"2002-08-16T21:29:55",,,"Observation end date" timesys,s,h,"TT",,,"Time system" mjdref,r,h,50814.0,,,"MJD zero point for times" timezero,r,h,0.0,,,"Clock correction" timeunit,s,h,"s",,,"Time unit" btimnull,r,h,144610170.97155,,,"Basic Time offset (s)" btimrate,r,h,0.25625001054916,,,"Basic Time clock rate (s/VCDUcount)" btimdrft,r,h,4.6747095e-18,,,"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" obs_mode,s,h,"POINTING",,,"Observation mode" tierabso,r,h,5.0e-05,,,"Absolute precision of clock correction" timversn,s,h,"ASC-FITS-2",,,"Timing system definition" tstart,r,h,145842107.7598,,,"Observation start time" tstop,r,h,145920595.08803,,,"Observation end time" startmjf,i,h,37559,,,"Major frame ctr value at start of data" startmnf,i,h,16,,,"Start minor frame ctr at start of data" startobt,r,h,0.0,,,"On-Board MET close to STARTMJF and STARTMNF" stopmjf,i,h,37574,,,"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" sim_x,r,h,-1.4281808131318,,,"SIM focus pos (mm)" sim_y,r,h,0.0,,,"SIM orthogonal axis pos (mm)" sim_z,r,h,250.4635187649,,,"SIM translation stage pos (mm)" foc_len,r,h,10070.0,,,"HRMA focal length (mm)" timedel,r,h,1.5625e-05,,,"Time resolution of data (in seconds)" grating,s,h,"LETG",,,"Grating" mission,s,h,"AXAF",,,"Mission" telescop,s,h,"CHANDRA",,,"Telescope" instrume,s,h,"HRC",,,"Instrument" tlm_fmt,i,h,1,,,"Format in which this data was telemetered" datamode,s,h,"OBSERVING",,,"Data mode" histnum,i,h,532,,,"" limfile1,s,h,"/home/ascds/DS.rap/data/hrc_gti_all_lim.fits",,,"GTI Limit file" title,s,h,"CORONAL EVOLUTION IN SINGLE GIANTS WITH CHANDRA LETGS X-RAY SPECTROSCOPY",,,"Proposal title" 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,76646.684409052,,," [s]" dtcor,r,h,0.99847858678171,,,"Dead time correction" livetime,r,h,76530.073130254,,,"Ontime multiplied by DTCOR" exposure,r,h,76530.073130254,,,"Total exposure time, with all known corr. appl." aimpfile,s,h,"telD1999-07-23aimptsN0002.fits",,,"" geomfile,s,h,"telD1999-07-23geomN0005.fits",,,"" skyfile,s,h,"telD1999-07-23skyN0001.fits",,,"" tdetfile,s,h,"telD1999-07-23tdetN0001.fits",,,"" shellfil,s,h,"telD1999-07-23sgeomN0001.fits",,,"" dtffile,s,h,"hrcf02547_002N002_dtf1.fits",,,"" maskfile,s,h,"hrcf02547_002N002_msk1.fits",,,"" fltfile,s,h,"hrcf02547_002N002_std_flt1.fits",,,"" caldbver,s,h,"3.3.0",,,""