origin,s,h,"ASC",,,"Source of FITS file" creator,s,h,"acis_process_events - Version DS10.7",,,"tool that created this output" ascdsver,s,h,"10.7.1",,,"Processing system revision" asolfile,s,h,"pcadf667348934N002_asol1.fits",,,"" thrfile,s,h,"acisD2005-07-01evtspltN0002.fits",,,"" tlmver,s,h,"P014",,,"Telemetry revision number (IP&CL)" revision,i,h,2,,,"Processing version of data" checksum,s,h,"faccgVZcfabcfUZc",,,"HDU checksum updated 2019-03-05T23:45:22" datasum,s,h,"2090080632",,,"data unit checksum updated 2019-03-05T23:31:07" content,s,h,"EVT1",,,"What data product" hduspec,s,h,"ACIS Telemetry Products: Level 0 to ASC Archive ICD Rev 2.11",,,"ICD r" 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",,,"" pix_adj,s,h,"NONE",,,"Subpixel adjustment algorithm" rand_sky,r,h,0.0,,,"" subpixfl,s,h,"NONE",,,"" rand_pi,r,h,1.0,,,"" date,s,h,"2019-03-05T23:19:58",,,"Date and time of file creation" mjd_obs,r,h,58537.946001916,,,"Modified Julian date of observation" ds_ident,s,h,"ADS/Sa.CXO#obs/22140",,,"dataset identifier" date-obs,s,h,"2019-02-23T22:42:14",,,"Observation start date" date-end,s,h,"2019-02-24T05:40:27",,,"Observation end date" timesys,s,h,"TT",,,"Time system" mjdref,r,h,50814.0,,,"MJD zero point for times [d]" timezero,r,h,0.0,,,"Clock correction [s]" timeunit,s,h,"s",,,"Time unit" btimnull,r,h,664333749.28545,,,"Basic Time offset (s)" btimrate,r,h,0.25625001529264,,,"Basic Time clock rate (s / VCDUcount)" btimdrft,r,h,2.3092835825826e-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,,,"default" tierrela,r,h,1.0e-09,,,"default" tierabso,r,h,5.0e-05,,,"default" timversn,s,h,"ASC-FITS-2",,,"Timing system definition" tstart,r,h,667348934.56555,,,"Observation start time (MET) [s]" tstop,r,h,667374027.07955,,,"Observation end time (MET) [s]" obs_mode,s,h,"POINTING",,,"Observation mode" startmjf,i,h,91931,,,"Major frame ctr value at start of data" startmnf,i,h,53,,,"Start minor frame ctr at start of data" startobt,r,h,0.0,,,"On-Board MET close to STARTMJF and STARTMNF" stopmjf,i,h,92691,,,"Major frame ctr value at stop of data" stopmnf,i,h,44,,,"Stop minor frame ctr at end of data" timepixr,r,h,0.5,,,"default" dataclas,s,h,"OBSERVED",,,"default" radesys,s,h,"ICRS",,,"default" timedel,r,h,0.00285,,,"timedel Lev1 [s]" mission,s,h,"AXAF",,,"Mission" telescop,s,h,"CHANDRA",,,"Telescope" sim_x,r,h,-0.68282252473119,,,"SIM focus pos [mm]" sim_y,r,h,0.0,,,"SIM orthogonal axis pos [mm]" sim_z,r,h,-175.94172754196,,,"SIM translation stage pos [mm]" foc_len,r,h,10070.0,,,"HRMA focal length [mm]" instrume,s,h,"ACIS",,,"Instrument" grating,s,h,"HETG",,,"Grating" detnam,s,h,"ACIS-456789",,,"Detector" ra_pnt,r,h,244.97623650912,,,"Pointing RA [deg]" dec_pnt,r,h,-15.637551384056,,,"Pointing Dec [deg]" roll_pnt,r,h,80.055722759781,,,"Pointing Roll [deg]" ra_targ,r,h,244.979583,,,"Observer's specified target RA [deg]" dec_targ,r,h,-15.640278,,,"Observer's specified target Dec [deg]" defocus,r,h,0.0014449365687057,,,"SIM defocus [mm]" ra_nom,r,h,244.97623650912,,,"Nominal RA [deg]" dec_nom,r,h,-15.637551384056,,,"Nominal Dec [deg]" roll_nom,r,h,80.055722759781,,,"Nominal Roll [deg]" readmode,s,h,"CONTINUOUS",,,"Read mode" acsys1,s,h,"CHIP:AXAF-ACIS-1.0",,,"reference for chip coord system" acsys2,s,h,"TDET:ACIS-2.2",,,"reference for tiled detector coord system" acsys3,s,h,"DET:ASC-FP-1.1",,,"reference for focal plane coord system" acsys4,s,h,"SKY:ASC-FP-1.1",,,"reference for sky coord system" gainfile,s,h,"acisD2000-01-29gain_ctiN0005.fits",,,"" cti_corr,b,h,yes,,,"" cti_app,s,h,"PPPPPNPNPP",,,"" ctifile,s,h,"acisD2002-08-01ctiN0005B.fits",,,"" mtlfile,s,h,"acisf22140_000N002_mtl1.fits",,,"" grdimgfl,s,h,"acisD2000-01-29grdimgN0001.fits",,,"" tgaincor,s,h,"T",,,"" tgainfil,s,h,"acisD2018-05-02t_gainN0002.fits",,,"" grd_file,s,h,"acisD1996-11-01gradeN0004.fits",,,"" corners,i,h,1,,,"num adjacent side pix > threshold to include co" gradesys,s,h,"ASCA",,,"grade system: ASCA, ACIS, or USER" bpixfile,s,h,"acisf22140_000N002_bpix1.fits",,,"" datamode,s,h,"CC33_GRADED",,,"Data mode" run_id,i,h,1,,,"Science run index" fsw_vers,i,h,53,,,"ACIS flight software version number" startbep,i,h,1844560060,,,"BEP timer value at TSTART" stopbep,i,h,4290617020,,,"BEP timer value at TSTOP" fep_id,i,h,0,,,"Front End Processor ID: 0-5" ccd_id,i,h,4,,,"CCD ID: 0-9" histnum,i,h,489,,,"" title,s,h,"Probing the disc-jet coupling in the neutron star binary Sco X-1",,,"P" observer,s,h,"Sara Motta",,,"Principal investigator" object,s,h,"Sco X-1",,,"Source name" obs_id,s,h,"22140",,,"Observation id" obi_num,i,h,0,,,"Obi number" seq_num,s,h,"402095",,,"Sequence number" ontime,r,h,21410.681915402,,,"Sum of GTIs [s]" ontime7,r,h,21410.681915402,,,"Sum of GTIs [s]" ontime4,r,h,16000.03695631,,,"Sum of GTIs [s]" ontime5,r,h,12540.324959278,,,"Sum of GTIs [s]" ontime6,r,h,8759.5657604933,,,"Sum of GTIs [s]" ontime8,r,h,11750.897513986,,,"Sum of GTIs [s]" ontime9,r,h,14193.579735875,,,"Sum of GTIs [s]" livetime,r,h,21327.04643917,,,"Livetime [s]" livtime7,r,h,21327.04643917,,,"Livetime [s]" livtime4,r,h,15937.53681195,,,"Livetime [s]" livtime5,r,h,12491.339314906,,,"Livetime [s]" livtime6,r,h,8725.3487067414,,,"Livetime [s]" livtime8,r,h,11704.995570572,,,"Livetime [s]" livtime9,r,h,14138.136065032,,,"Livetime [s]" exposure,r,h,21327.04643917,,,"Exposure time [s]" exposur7,r,h,21327.04643917,,,"Exposure time [s]" exposur4,r,h,15937.53681195,,,"Exposure time [s]" exposur5,r,h,12491.339314906,,,"Exposure time [s]" exposur6,r,h,8725.3487067414,,,"Exposure time [s]" exposur8,r,h,11704.995570572,,,"Exposure time [s]" exposur9,r,h,14138.136065032,,,"Exposure time [s]" dtcor,r,h,0.99609375,,,"Dead time correction" time_adj,s,h,"TARGET",,,"time adjustment algorithm" asptype,s,h,"KALMAN",,,"" fp_temp,r,h,158.61128235,,,"Focal Plane Temperature [K]" aimpfile,s,h,"telD1999-07-23aimptsN0002.fits",,,"" geomfile,s,h,"telD1999-07-23geomN0006.fits",,,"" skyfile,s,h,"telD1999-07-23skyN0002.fits",,,"" tdetfile,s,h,"telD1999-07-23tdetN0001.fits",,,"" shellfil,s,h,"telD1999-07-23sgeomN0001.fits",,,"" fltfile,s,h,"acisf22140_000N002_flt1.fits",,,"" maskfile,s,h,"acisf22140_000N002_msk1.fits",,,"" pbkfile,s,h,"acisf667349433N001_pbk0.fits",,,"" dy_avg,r,h,0.59211232955,,,"Mean DY during observation [mm]" dz_avg,r,h,0.95236591903,,,"Mean DZ during observation [mm]" dth_avg,r,h,-0.0067439051474,,,"Mean DTHETA during observation [deg]" oclkpair,i,h,8,,,"# of pairs of overclock pixels per output" orc_mode,i,h,0,,,"Output register clocking mode" sum_2x2,i,h,0,,,"On-chip summing. 0:None; 1:Sum 2x2" fep_ccd,s,h,"475689",,,"CCD to FEPID mapping, fep0 is left most digit" caldbver,s,h,"4.8.2",,,""