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 = '00013544226' / Observation ID TARG_ID = 13544 / Target ID SEG_NUM = 226 / 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 = 717623056 TSTOP = 717623940.8 DATE-OBS= '2023-09-28T19:44:11' DATE-END= '2023-09-28T19:58:55' ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2023-10-08T06:56:31' / 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 = 8 / Number of times the dataset processed OBJECT = 'Mrk335 ' / Object name RA_OBJ = 1.49982931085193 / [deg] R.A. Object DEC_OBJ = 20.2470621154528 / [deg] Dec Object RA_PNT = 1.49982931085193 / [deg] RA pointing DEC_PNT = 20.2470621154528 / [deg] Dec pointing PA_PNT = 317.584896272394 / [deg] Position angle (roll) ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -32.0920400000000 / [s] UTCF at TSTART CHECKSUM= 'lDdDnCb9lCbClCb9' / HDU checksum updated 2023-10-08T07:00:50 DATASUM = ' 0' / data unit checksum updated 2023-10-08T07:00:50 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 24 / width of table in bytes NAXIS2 = 554 / 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 = 'WEIGHTED_COUNTS' / Mask weighted counts in 4 energy bands TFORM2 = '4J ' / data format of field TUNIT2 = 'count ' / physical unit of field EXTNAME = 'MASK_TAG_RATES' / 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' / Contains units of counts 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 = 717623056 TSTOP = 717623940.8 DATE-OBS= '2023-09-28T19:44:11' DATE-END= '2023-09-28T19:58:55' CLOCKAPP= F / default TELAPSE = 1016. / TSTOP - TSTART ONTIME = 1016. / Time on target LIVETIME= 1016. / Ontime multiplied by DEADC EXPOSURE= 1016. / Total exposure, with all known correction DEADC = 1. / dead time correction TIMEPIXR= 0.0 / Bin time beginning=0 middle=0.5 end=1 TIMEDEL = 1.6 / [s] time resolution of data TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'BAT ' / Instrument name DATAMODE= 'MASKTAGRATE' / Instrument operating mode OBS_ID = '00013544226' / Observation ID TARG_ID = 13544 / Target ID SEG_NUM = 226 / 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 = '2023-10-08T06:56:31' / 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 = 489 / Application Process Identifier CATNUM = 13000 / BAT Source catalog number HISTORY Contributing ApID list HISTORY swift_head3_0034e8e2_2071_489.ccsds ApID(489) 1-127 HISTORY CFITSIO used the following filtering expression to create this table: HISTORY sw00013544226bmt00013000_rw.lc[1][gtifilter("sw00013544226stp.gti")] 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 = 8 / Number of times the dataset processed OBJECT = 'Mrk335 ' / Object name RA_OBJ = 1.49982931085193 / [deg] R.A. Object DEC_OBJ = 20.2470621154528 / [deg] Dec Object RA_PNT = 1.49982931085193 / [deg] RA pointing DEC_PNT = 20.2470621154528 / [deg] Dec pointing PA_PNT = 317.584896272394 / [deg] Position angle (roll) ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -32.0920400000000 / [s] UTCF at TSTART CHECKSUM= 'lCYBn9X9lAXAl9X9' / HDU checksum updated 2023-10-08T07:00:50 DATASUM = '1461806415' / data unit checksum updated 2023-10-08T07:00:50 END Ac')c#Ac'(Ac&*Acfff'(_Ac333(m(z!=BAc'Z'Ac((rgAc'N)!8Acfff)-)i"WAc333)B)!eAc)^(k %Ac'y*KAc') oAcfff)4(zAc333(9'Ac&b'Ac))UAc)) Acfff)e+, pAc333((XAc()PNAc ''Ac fff'*(ORAc 333(-&gAc &@)%PAc (&SkAc &)Acfff%A% ; Ac333(*(t/Ac''`Ac)'w4Ac'*&gAcfff()Ac333%'Ac&u(Ac'(!Ac%*0tAcfff%%Ac333() Ac') dAc%';Ac) &%Acfff()'yAc333&&sAc'U(.Ac(%("mAc''Acfff()fff((Ac?333(K(:Ac@()z %Ac@'&vAcA' '>OAcBfff)<(_ AcC333'&X NAcD((XAcD'L( aAcE), AcFfff()AcG333'X'{7AcH'' 4AcH&D'+tAcI&r)+ AcJfff('JJAcK333'V&AcL('2AcL(( FAcM'''AcNfff'&AcO333() S@AcP('H AcP&( AcQ'W'u@AcRfff'*hHAcS333)c)^]AcT))^AcT&&AcU(%RQAcVfff&':qAcW333(& EAcX(|)LAcX)6)% AcY()#?AcZfff'm(EAc[333&h(,[Ac\&(}^Ac\(<(Ac]'[(lAc^fff((zAc_333)^$uAc`&'!Ac`'\(aAca((DAcbfff)5&u Acc333((#Acd*_% ,Acd'& Ace'(~/Acffff''lAcg333%'"'=Ach'&fAch(a&6Aci(B%FAcjfff) ' LAck333'z' Acl'&-Acl(l(Acm''' EAcnfff('NJAco333&(qAcp*(Acp%(i2Acq(&A! 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