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 = '01165948000' / Observation ID TARG_ID = 1165948 / 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 = 704283443. / Start time TSTOP = 704289748. / Stop time DATE-OBS= '2023-04-27T10:17:18' DATE-END= '2023-04-27T12:02:23' ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2023-05-07T10:04:15' / file creation date (YYYY-MM-DDThh:mm:ss UT) PROCVER = '3.19.01 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19' CALDBVER= 'b20171016_u20201215_x20220803_m20230321' / CALDB index versions used SEQPNUM = 10 / Number of times the dataset processed OBJECT = 'GRB230427a' / Object name RA_OBJ = 153.3126667 / [deg] R.A. Object DEC_OBJ = 48.2040000 / [deg] Dec Object RA_PNT = 153.347752833531 / [deg] RA pointing DEC_PNT = 48.162563139271 / [deg] Dec pointing PA_PNT = 300.79934315474 / [deg] Position angle (roll) TRIGTIME= 704284343.168 / [s] MET TRIGger Time for Automatic Target ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -31.1801200000000 / [s] UTCF at TSTART CHECKSUM= 'oAAFq32Fo98Fo98F' / HDU checksum updated 2023-05-07T10:27:44 DATASUM = ' 0' / data unit checksum updated 2023-05-07T10:27:44 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 12 / width of table in bytes NAXIS2 = 2935 / 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 ' / Array counts per 1 s bin TFORM2 = '1J ' / data format of field TUNIT2 = 'count ' / physical unit of field 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 = 704283443. / Start time TSTOP = 704289748. / Stop time DATE-OBS= '2023-04-27T10:17:18' DATE-END= '2023-04-27T12:02:23' CLOCKAPP= F / default TELAPSE = 6305. / TSTOP - TSTART ONTIME = 2935. / Time on target LIVETIME= 2935. / Ontime multiplied by DEADC EXPOSURE= 2935. / Total exposure, with all known correction DEADC = 1. / dead time correction TIMEPIXR= 0.0 / Bin time beginning=0 middle=0.5 end=1 TIMEDEL = 1. / [s] time resolution of data TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'BAT ' / Instrument name DATAMODE= 'Rates_Arr_1s' / Instrument operating mode OBS_ID = '01165948000' / Observation ID TARG_ID = 1165948 / 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 = '2023-05-07T10:04:15' / 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_11ca7c00_1fd7_337.ccsds ApID(337) 1-1835 PROCVER = '3.19.01 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19' CALDBVER= 'b20171016_u20201215_x20220803_m20230321' / CALDB index versions used SEQPNUM = 10 / Number of times the dataset processed OBJECT = 'GRB230427a' / Object name RA_OBJ = 153.3126667 / [deg] R.A. Object DEC_OBJ = 48.2040000 / [deg] Dec Object RA_PNT = 153.347752833531 / [deg] RA pointing DEC_PNT = 48.162563139271 / [deg] Dec pointing PA_PNT = 300.79934315474 / [deg] Position angle (roll) TRIGTIME= 704284343.168 / [s] MET TRIGger Time for Automatic Target ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -31.1801200000000 / [s] UTCF at TSTART CHECKSUM= 'KamSMUjRKajRKUjR' / HDU checksum updated 2023-05-07T10:27:44 DATASUM = '3758272132' / data unit checksum updated 2023-05-07T10:27:44 END AA AA AA AA AA AA AA AA AA AA AA AA AA qAA AA AA AA AA AA AA AA AA uAA 1AA AA BAA AA #AA AA TAA uAA AA AA AA fAA cAA AA AA fAA AA HAA AA AA AA sAA AA AA $AA AA !AA AA AA `AA AA AA AA AA 1AA 3AA AA AA AA AA AA !AA BAA AA lAA AA AA AA AA AA AA AA AA AA AA AA AA AA AA 0AA€ AA AAÀ AA >AAĀ AA yAAŀ AA AAƀ MAA AAǀ AA AAȀ AA AAAɀ CAA AAʀ bAA CAAˀ AA AÀ AA AÀ AA AA΀ AA wAAπ uAA AAЀ AA {AAр AA AAҀ AA AAӀ AA AAԀ AA AAՀ AA fAAր dAA AA׀ AA AA؀ AA AAـ AA AAڀ AA AAۀ )AA AA܀ mAA AA݀ AA AAހ JAA AA߀ #AA AA AA }AA AA AA _AA AA AA AA AA AA AA AA AA AA |AA AA AA AA yAA AA AA AA #AA AA AA AA AA AA AA NAA AA AA nAA WAA AA AA EAA AA AA JAA AA AA AA AA oAA HAA AA AA AA AA AA OAA iAA AA AA 6AA qAA AA bAA AA pAA cAA AB AB [AB JAB eAB AB AB AB AB AB DAB AB 7AB AB EAB AB AB AB AB AB AB AB AB AB AB AB 'AB AB AB TAB `AB AB QAB ]AB PAB {AB 6AB TAB AB AB AB AB AB AB AB {AB AB AB kAB AB AB AB AB AB AB AB HAB AB AB 2AB AB 3AB AB [AB AB AB AB! 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