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 = '03110098009' / Observation ID TARG_ID = 3110098 / Target ID SEG_NUM = 9 / 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 = 717603663. / Start time TSTOP = 717637625. / Stop time DATE-OBS= '2023-09-28T14:20:58' DATE-END= '2023-09-28T23:47:00' ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2023-10-08T06:46:55' / file creation date (YYYY-MM-DDThh:mm:ss UT) PROCVER = '3.19.02 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19' CALDBVER= 'b20171016_u20201215_x20230725_m20230918' / CALDB index versions used SEQPNUM = 14 / Number of times the dataset processed OBJECT = '4FGLJ1635.4-3249' / Object name RA_OBJ = 248.858750 / [deg] R.A. Object DEC_OBJ = -32.829000 / [deg] Dec Object RA_PNT = 248.787520907687 / [deg] RA pointing DEC_PNT = -32.8431332928888 / [deg] Dec pointing PA_PNT = 276.976181795451 / [deg] Position angle (roll) ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -32.0907200000000 / [s] UTCF at TSTART CHECKSUM= 'jieclhbcjhbcjhbc' / HDU checksum updated 2023-10-08T06:50:14 DATASUM = ' 0' / data unit checksum updated 2023-10-08T06:50:14 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 = 901 / 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 = 717603663. / Start time TSTOP = 717637625. / Stop time DATE-OBS= '2023-09-28T14:20:58' DATE-END= '2023-09-28T23:47:00' CLOCKAPP= F / default TELAPSE = 33962. / TSTOP - TSTART ONTIME = 901. / Time on target LIVETIME= 901. / Ontime multiplied by DEADC EXPOSURE= 901. / 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 = '03110098009' / Observation ID TARG_ID = 3110098 / Target ID SEG_NUM = 9 / 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 = '2023-10-08T06:46:55' / 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_2f74d209_2071_337.ccsds ApID(337) 1-563 PROCVER = '3.19.02 ' / Processing script version SOFTVER = 'Hea_27Jul2015_V6.17_Swift_Rel4.5(Bld34)_27Jul2015_SDCpatch_19' CALDBVER= 'b20171016_u20201215_x20230725_m20230918' / CALDB index versions used SEQPNUM = 14 / Number of times the dataset processed OBJECT = '4FGLJ1635.4-3249' / Object name RA_OBJ = 248.858750 / [deg] R.A. Object DEC_OBJ = -32.829000 / [deg] Dec Object RA_PNT = 248.787520907687 / [deg] RA pointing DEC_PNT = -32.8431332928888 / [deg] Dec pointing PA_PNT = 276.976181795451 / [deg] Position angle (roll) ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -32.0907200000000 / [s] UTCF at TSTART CHECKSUM= '9JAYDI8X9IAXAI5X' / HDU checksum updated 2023-10-08T06:50:14 DATASUM = '3114366736' / data unit checksum updated 2023-10-08T06:50:14 END Abᧀ_AbAbᨀ Ab$Abᩀ+Ab'LAb᪀+/Ab*tAbᫀ,Ab.Abᬀ16Ab-Abᭀ-Ab-Abᮀ/Ab!Abᯀ5AbAbᰀeAbAb᱀Ab_AbᲀAb-Ab᳀AbAbᴀVAb"AbᵀAbEAbᶀiAb Ab᷀AbAbḀ IAb AbṀAb 5AbẀAb vAbỀ!Ab DAbἀ Ab Abὀ!TAb!Abᾀ"'Ab!Ab῀!Ab"`Ab!Ab!Ab!_Ab!Ab€!Ab"*AbÀ"`Ab"[AbĀ"Ab"MAbŀ"Ab"rAbƀ#.Ab#Abǀ"Ab#WAbȀ#IAb"Abɀ"UAb"Abʀ#3Ab"Abˀ"Ab#hAb̀#Ab#Ab̀#8Ab#fAb΀#2Ab#Abπ"jAb#AbЀ"Ab"Abр">Ab"kAbҀ#Ab#1AbӀ"Ab#AbԀ"Ab"AbՀ#Ab"Abր#Ab"Ab׀"Ab"WAb؀"TAb"YAbـ"=Ab"Abڀ"?Ab"Abۀ"Ab")Ab܀"IAb"Ab݀"Ab!Abހ"oAb"dAb߀"Ab!Ab!Ab"Ab!OAb#RAb"mAb"tAb"Ab"&Ab"Ab"Ab#Ab"Ab!Ab"Ab"GAb"Ab"Ab"{Ab#3Ab"=Ab"eAb"Ab"GAb"Ab!tAb"Ab"IAb!Ab"9Ab"7Ab"Ab"Ab"Ab"Ab!Ab"3Ab"6Ab!Ab!Ab"Ab!oAb!Ab"Ab!Ab"'Ab"@Ab!Ab!Ab"Ab!Ab!Ab"gAb"Ab"MAb!Ab!Ab"=Ab!Ab!Ab!Ab!Ab!Ab!Ab!Ab"Ab"5Ab"Ab!Ab"`Ab!Ab"9Ab!vAb!Ab"Ab"~Ab"Ab!Ab"Ab!DAb"Ab!Ab !Ab Ab !Ab !Ab !{Ab !#Ab !Ab " Ab !Ab "7Ab!Ab!Ab!KAb!Ab!Ab"4Ab!Ab!gAb!Ab!Ab!Ab"Ab!Ab!.Ab!Ab!Ab!Ab!Ab"+Ab!qAb!Ab"~Ab!Ab!Ab!Ab Ab!Ab Ab"Ab!Ab!:Ab"Ab!*Ab"Ab"1Ab!LAb Ab !Ab! 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