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 = '01321323000' / Observation ID TARG_ID = 1321323 / 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 = 770841487. / Start time TSTOP = 770843587. / Stop time DATE-OBS= '2025-06-05T18:38:02' DATE-END= '2025-06-05T19:13:02' ORIGIN = 'GSFC' / Source of FITS file CREATOR = 'BAT2FITS V7.21' / Program that created this FITS file TLM2FITS= 'V7.21' / Telemetry converter version number DATE = '2025-06-15T02:34:27' / file creation date (YYYY-MM-DDThh:mm:ss UT) PROCVER = '3.20.02 ' / Processing script version SOFTVER = 'Hea_21Mar2024_V6.33.1_Swift_Rel5.8(Bld47)_30Jun2023_SDCpatch_2' CALDBVER= 'b20230607_u20240201_x20240522_m20250515' / CALDB index versions used SEQPNUM = 10 / Number of times the dataset processed OBJECT = 'GRB250605a' / Object name RA_OBJ = 166.9571 / [deg] R.A. Object DEC_OBJ = -19.78828 / [deg] Dec Object RA_PNT = 166.983945384913 / [deg] RA pointing DEC_PNT = -19.8013547327515 / [deg] Dec pointing PA_PNT = 290.598590117272 / [deg] Position angle (roll) TRIGTIME= 770842387.008 / [s] MET TRIGger Time for Automatic Target ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -35.7335600000000 / [s] UTCF at TSTART CHECKSUM= 'do3Zfo3Wdo3Wdo3W' / HDU checksum updated 2025-06-15T02:43:46 DATASUM = ' 0' / data unit checksum updated 2025-06-15T02:43:46 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 = 2092 / 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 = 770841487. / Start time TSTOP = 770843587. / Stop time DATE-OBS= '2025-06-05T18:38:02' DATE-END= '2025-06-05T19:13:02' CLOCKAPP= F / default TELAPSE = 2100. / TSTOP - TSTART ONTIME = 2092. / Time on target LIVETIME= 2092. / Ontime multiplied by DEADC EXPOSURE= 2092. / 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 = '01321323000' / Observation ID TARG_ID = 1321323 / 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 = '2025-06-15T02:34:27' / 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_14296b00_22d9_337.ccsds ApID(337) 1-1307 PROCVER = '3.20.02 ' / Processing script version SOFTVER = 'Hea_21Mar2024_V6.33.1_Swift_Rel5.8(Bld47)_30Jun2023_SDCpatch_2' CALDBVER= 'b20230607_u20240201_x20240522_m20250515' / CALDB index versions used SEQPNUM = 10 / Number of times the dataset processed OBJECT = 'GRB250605a' / Object name RA_OBJ = 166.9571 / [deg] R.A. Object DEC_OBJ = -19.78828 / [deg] Dec Object RA_PNT = 166.983945384913 / [deg] RA pointing DEC_PNT = -19.8013547327515 / [deg] Dec pointing PA_PNT = 290.598590117272 / [deg] Position angle (roll) TRIGTIME= 770842387.008 / [s] MET TRIGger Time for Automatic Target ATTFLAG = '110 ' / Attitude file: 100=sat, x10=pat, xx1=uat UTCFINIT= -35.7335600000000 / [s] UTCF at TSTART CHECKSUM= 'XdYcaZYaRdYaXZYa' / HDU checksum updated 2025-06-15T02:43:46 DATASUM = '2805875007' / data unit checksum updated 2025-06-15T02:43:46 END A ǀpIA qA ȀpA rmA ɀqA s)A ʀsA sgA ˀsA tA ̀tA u,A ̀uLA uUA ΀v`A uA πw.A vA ЀvKA y+A рwA xA ҀzA yA ӀzA zA Ԁ{%A { A Հ|A zA ր|A }#A ׀~A |tA ؀|A }A ـ~A ~KA ڀ}A }WA ۀA A ܀A MA ݀A pA ހ'A bA ߀rA qA A A A lA A A $A #A A $A A 2A A HA A A ;A A A A @A A A A A A A A LA oA LA +A A A A A A }A pA A A A A A A A A RA @A NA A A A A vA A PA A .A A A PA mAApAAAAA AARAAA&AXAAAgAAA IA A 7A KA A A A A A AAqAAA AAApA>pA?nA?nA@o{A@oAAnwAAnABmYABmACm@ACmADl2ADlzAElFAEjAFjAFiAGjAGiAHhAHgAIiAIhwAJh7AJgfAKgAKf6ALeALcAMdAMeeANcANcAOdAOd APczAPcAQbAQaARb ARbAS`AS_AT`AT^AU^AU^AV\AV^AW^AW\AX\AAX\AY[FAY\\AZZAZ[:A[Z:A[ZA\XA\XA]ZuA]WA^XA^XrA_VA_WA`VA`UAaUAaUAbTAAbSAcUAcTjAdTAdSAeRAeSAfQAfQAgQAgPAhP,AhNAiO\AiNAjN%AjNAkNAkMAlLAlMAmMAmL AnKAnLAoLGAoJApJApIAqIAqHArIArIAsHAsHAtHzAtFAuGSAuEAvFNAvDAwE-AwD AxDjAxCAyCAyCAzCAzC[A{BWA{BA|A}A|AA}AA}ACA~A5A~@A@&A@kA?;A>A?XA>A>DA=A;A=HA<_A=4AAAA?A!A"AAGAAYA(AAAAuAAzAAAMAA2AA&A A"AAAAAAAA`A AAtAsAAjAASAUAAA AAAA-A@AvAA3AAA^AnAA~A\AaAAAA#A?A AA6AAAA"AAA=A A A JA BA A A vA A NA AAdAAAAAAPAAIA A*A]AA>A AA*A+AAAAAgAMAAhAXA2AAAA*AA#AA A ,A!A!A"cA"A#A#pA$A$]A%A%yA&A&A'yA'&A(A(A)A)UA*A*A+A+aA,A,gA-A-A.A.PA//A/ $A0'*A0%aA1&A1'%A2)A2(A3* A3(yA4&A4(A5HA5A6A6xA7gA7A8A8%A9A9A:/A: A;A;A<A<A=A= A>"A>A?`A?[A@CA@AAZAAABwABACZAC/ADpAD=AEAEyAFAF"AGAGTAHAHAIAIAJwAJgAKvAK7ALALyAMNAMxANANfAOAOAPAPAQAQARAReAStASATATAUAUAVAVAW:AWsAXAXAY/AYAZAZ,A[A[A\A\A]A]A^*A^(A_A_xA`A` Aa}AaAbAbAcAcAdAd,Ae%AeAfAf7Ag+AgAhrAhAi~AiA:AArAAAAnA AAAAcAAA_AA-AA#AAAWA|AAAIAAdA€AAÀAAĀAAŀAAƀA1AǀAmAȀ6AAɀAkAʀA0AˀA;ÀApÀrAA΀AAπA=AЀAAр_AAҀAAӀAAԀAAՀAAր&AA׀AXA؀dAAـ)AAڀ#AAۀUA!A܀AA݀AAހAA߀dA.AAAA[A AxAAAAAAAbA~AuAAAA[AAA>AqAAA}AAA*A8A?AxAAAAA=AAAAAwA AAaAAAtA_AbA9AAA7AAjARAAAAAA{AAMAQARAASA/AAAAAmAAnA)AAAA A A wA A `A A A A A RAAHAAAAVAAAA^A1AAAhA[AAAAAJAAIAAAAqAAAAwAA4AAA/A(A 3A :A!AA!A"#A"nA#sA#A$A$&A%A%A&lA&A'-A'oA(A(A)iA)5A*A*A+$A+A,BA,A-A-A.2A.A/A/A06A0A1#A1A2A2uA3!A3A4uA4@A5 A5A6~A6ZA7+A7A8A8A9EA9VA:/A:A;A;lA<A<A=A=A>A>zA? 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