SIMPLE = T / file does conform to FITS standard BITPIX = 8 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'BAT ' / Instrument name OBS_ID = '01075565000' / Observation ID TARG_ID = 1075565 / Target ID SEG_NUM = 0 / Segment number TIMESYS = 'TT ' / time system MJDREFI = 51910 / MJD reference day 01 Jan 2001 00:00:00 MJDREFF = 0.00074287037 / MJD reference (fraction of day) 01 Jan 2001 00:CLOCKAPP= F / If clock correction are applied (F/T) TIMEUNIT= 's ' / Time unit for timing header keywords TSTART = 654661940.8 / Start time TSTOP = 654664716.8 / Stop time DATE-OBS= '2021-09-30T02:32:15' DATE-END= '2021-09-30T03:18:31' ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2021-10-10T11:17:17' / file creation date (YYYY-MM-DDThh:mm:ss UT) PROCVER = '3.18.18 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201215_x20210915_m20210907' / CALDB index versions used SEQPNUM = 10 / Number of times the dataset processed OBJECT = 'GRB210930a' / Object name RA_OBJ = 197.4016667 / [deg] R.A. Object DEC_OBJ = 48.6283889 / [deg] Dec Object RA_PNT = 197.427359166027 / [deg] RA pointing DEC_PNT = 48.6438399055471 / [deg] Dec pointing PA_PNT = 193.714978843599 / [deg] Position angle (roll) TRIGTIME= 654662840. / [s] MET TRIGger Time for Automatic Target ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -27.8166000000000 / [s] UTCF at TSTART CHECKSUM= 'ZCpAdCm9ZCmAdCm9' / HDU checksum updated 2021-10-10T12:02:48 DATASUM = ' 0' / data unit checksum updated 2021-10-10T12:02:48 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 16 / width of table in bytes NAXIS2 = 43375 / number of rows in table PCOUNT = 0 / size of special data area: GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'TIME ' / TIME of Rates TFORM1 = '1D ' / data format of field TUNIT1 = 's ' / physical unit of field TTYPE2 = 'COUNTS ' / 64ms Counts by energy bin TFORM2 = '4I ' / data format of field TUNIT2 = 'count ' / physical unit of field TZERO2 = 32768 / data offset EXTNAME = 'RATE' / name of this binary table extension HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'LIGHTCURVE' / Extension contains light curve data HDUCLAS2= 'TOTAL' / Total data values HDUCLAS3= 'COUNT' / Light curve is units of count TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 7.4287037E-4 / Reference MJD fractional TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock TIMEUNIT= 's ' / Time unit TIERRELA= 1.0E-8 / [s/s] relative errors expressed as rate TIERABSO= 1.0 / [s] timing precision in seconds TSTART = 654661940.8 / Start time TSTOP = 654664716.8 / Stop time DATE-OBS= '2021-09-30T02:32:15' DATE-END= '2021-09-30T03:18:31' CLOCKAPP= F / default TELAPSE = 2776.00000011921 / TSTOP - TSTART ONTIME = 2776.00000011921 / Time on target LIVETIME= 2776.00000011921 / Ontime multiplied by DEADC EXPOSURE= 2776.00000011921 / Total exposure, with all known correction DEADC = 1. / dead time correction TIMEPIXR= 0.0 / Bin time beginning=0 middle=0.5 end=1 TIMEDEL = 0.064 / [s] time resolution of data TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'BAT ' / Instrument name DATAMODE= 'Rates_Arr_64ms' / Instrument operating mode OBS_ID = '01075565000' / Observation ID TARG_ID = 1075565 / Target ID SEG_NUM = 0 / Segment number EQUINOX = 2000. / default RADECSYS= 'FK5' / default OBS_MODE= 'POINTING' / default ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2021-10-10T11:17:17' / file creation date (YYYY-MM-DDThh:mm:ss UT) BACKAPP = F / Background subtraction not applied TIMVERSN= 'OGIP/93-003' / Version of light curve format APID = 337 / Application Process Identifier HISTORY Contributing ApID list HISTORY swift_head3_10696d00_1d99_337.ccsds ApID(337) 1-1735 PROCVER = '3.18.18 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_18' CALDBVER= 'b20171016_u20201215_x20210915_m20210907' / CALDB index versions used SEQPNUM = 10 / Number of times the dataset processed OBJECT = 'GRB210930a' / Object name RA_OBJ = 197.4016667 / [deg] R.A. Object DEC_OBJ = 48.6283889 / [deg] Dec Object RA_PNT = 197.427359166027 / [deg] RA pointing DEC_PNT = 48.6438399055471 / [deg] Dec pointing PA_PNT = 193.714978843599 / [deg] Position angle (roll) TRIGTIME= 654662840. / [s] MET TRIGger Time for Automatic Target ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -27.8166000000000 / [s] UTCF at TSTART CHECKSUM= 'V66UY46RV46RV46R' / HDU checksum updated 2021-10-10T12:02:48 DATASUM = '2903584970' / data unit checksum updated 2021-10-10T12:02:48 END AÂfffLS<3AÂn^L7-AÂvȴBMG4AÂ~ۀDKCEAÂ+SMH5AÂ\)JRF9AÂPAA>2AÂwQJ0EAÂ[?I5AÂ ŀDS0;AÂQQFD0AÂN=;/AÂȴ:M97/AÂaFX09AÂ;SF6AÂGLY7)AÂxրDM;8AÂGO95AÂ$N7C4AÂKJB23AÂ
=rCF=8AÂnXJ@5AÂTJ;DAÂ"SXE>AÂ+@JAAÂMG<=AÂ
?IKBBAÂ;fJG2$AÂlWZM8AÂ AÂ Ĝ>D55AÂ(ÀZa5AÂVWBC4AÂ,FI:9AÂSWG6;AÂ&zQQ5AAÂ/LO=/AÂ7KȀIKL.AÂ?|=:6)AÂGJYF?AÂO=ZP;7AÂXdGP5AAÂ`A]D8;AÂhrIU76AÂpـSL:0AÂx `L2>AÂ'?N?EAÂ7NK>D0AÂhuPQ;+AÂ?R9-AÂHQB,AÂLKI9AÂ-NG31AÂ^6\N=7AÂ]FF=AAÂBP>3AÂPO>;AÂ"ҀIH;1AÂSIJA7AÂ FD?-AÂGTL85AÂnOHA*AÂXO/0AÂIIG57AÂzTJ42AÂ
>H7-AÂ$1F>62AÂ-X9G2:AÂ5?WD3+AÂ=pPAC1AÂÈLK>9AÂM:@J4AÂVD>56AÂ^5BONK2AÂfffKH;.AÂnYVA,AÂvȴCR)2AÂ~ۀEC<:AÂ+AC40AÂ\)\G93AÂP]@H-AÂwEN:1AÂKC86AÂ ŀJ?G3AÂQNP?)AÂNR97AÂȴ:IJ42AÂaIV<:AÂR:>0AÂG@6EH6AÂ\(HE;-AÂdZDB8+AÂlDO]-'AÂtkP?;.AÂ|풀LU@5AÂ=Q9GAÂOTW7-AÂEO94AÂ.MB>)AÂURCC)AÂ|D?50AÂERP>EAÂvʀMU3.AÂƧEV=;AÂHP04AÂ
?VAG/AÂ;fNF<.AÂlEGHFAÂQDJ)AÂۀ@B<.AÂ =Q:5AÂ1'ZD17AÂbNATJ7AÂuLZ28AÂ ĜWFH>AÂ(ÀQF??AÂ1&M=<,AÂ9XJG-1AÂA8PG<8AÂI_FW3@AÂQ놀U:C,AÂZYa6,AÂbMԀCZ-:AÂj~II?(AÂr"^<;@AÂzI?N0>AÂpQW+0AÂCLMN@AÂtVQ1-AÂV[92AÂKH85AÂ33MC2AÂ9ZBQ<2AÂjIEA-AÂěA:3,AẦDZ@,AÂXS;3AÂ/TFD7AÂ`BV;4AÂiL@<2AÂJUT?AÂOYB.AÂ$ހV\B5AÂVZU8/AÂ,@dJ7AÂSGJ6;AÂ&zED1?AÂ/OT0+AÂ7KȀCA=.AÂ?|KV?6AÂG9T2EAÂO=IO.8AÂXdDMC9AÂ`AQR9,AÂhrTC72AÂpـSP2