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 = '01402466000' / Observation ID TARG_ID = '1402466 ' / Target ID SEG_NUM = '0 ' / Segment number TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error TSTART = 781558158.4 / Start time DATE-OBS= '2025-10-07T19:29:18.4' / Start Date TSTOP = 781558840.32 / Stop time DATE-END= '2025-10-07T19:40:40.3' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number DATE = '2025-10-07T19:37:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -36.46354 / UTCF at TSTART CHECKSUM= 'oQpSqOmRoOmRoOmR' / HDU checksum updated 2025-10-07T19:40:53 DATASUM = ' 0' / data unit checksum updated 2025-10-07T19:37:36 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 84 / width of table in bytes NAXIS2 = 212 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 9 / number of fields in each row TTYPE1 = 'TIME ' / label for field 1 TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'RELTIME ' / label for field 2 TFORM2 = '1D ' / data format of field: 8-byte DOUBLE TUNIT2 = 's ' / physical unit of field TTYPE3 = 'TIMEDEL ' / label for field 3 TFORM3 = '1D ' / data format of field: 8-byte DOUBLE TUNIT3 = 's ' / physical unit of field TTYPE4 = 'RAW_COUNTS' / label for field 4 TFORM4 = '4J ' / data format of field: 4-byte INTEGER TUNIT4 = 'count ' / physical unit of field TTYPE5 = 'RATE ' / label for field 5 TFORM5 = '4E ' / data format of field: 4-byte REAL TUNIT5 = 'count/s ' / physical unit of field TTYPE6 = 'ERROR ' / label for field 6 TFORM6 = '4E ' / data format of field: 4-byte REAL TUNIT6 = 'count/s ' / physical unit of field TTYPE7 = 'TOT_COUNTS' / label for field 7 TFORM7 = '1J ' / data format of field: 4-byte INTEGER TUNIT7 = 'count ' / physical unit of field TTYPE8 = 'TOT_RATE' / label for field 8 TFORM8 = '1E ' / data format of field: 4-byte REAL TUNIT8 = 'count/s ' / physical unit of field TTYPE9 = 'TOT_RATE_ERR' / label for field 9 TFORM9 = '1E ' / data format of field: 4-byte REAL TUNIT9 = 'count/s ' / physical unit of field EXTNAME = 'TDRSS_LC' / name of this binary table extension TNULL4 = -1 / data null value TNULL7 = -1 / data null value TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'BAT ' / Instrument name OBS_ID = '01402466000' / Observation ID TARG_ID = '1402466 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.21' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.21 ' / Telemetry converter version number EQUINOX = 2000 / Equinox RADECSYS= 'FK5 ' / Coordinates system TIMESYS = 'TT ' / Time system MJDREFI = 51910. / Reference MJD Integer part MJDREFF = 0.00074287037 / Reference MJD fractional TIMEUNIT= 's ' / Time unit for the time header keywords TIERRELA= 1.0E-08 / [s/s] Estimated relative clock rate error TIERABSO= 1. / [s] Estimated absolute clock offset error CLOCKAPP= F / If clock correction are applied (F/T) TIMEREF = 'LOCAL ' / Time reference (barycenter/local) TASSIGN = 'SATELLITE' / Time assigned by clock DATE = '2025-10-07T19:37:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 781558630.4 / Start time DATE-OBS= '2025-10-07T19:37:10.4' / Start Date TSTOP = 781558840.32 / Stop time DATE-END= '2025-10-07T19:40:40.3' / Stop Date UTCFINIT= 0. / UTCF at TSTART MESGNAME= 'BAT_LIGHTCURVE' / Name of the message DATAMISS= T / Expect missing data HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'LIGHTCURVE' / Time ordered data HDUCLAS2= 'TOTAL ' / Source + background HDUCLAS3= 'RATE ' / Data provided as rate DATAMODE= 'Rates_Arr_TDRSS' / Instrument operating mode TRIGGER = 1402466 / Trigger Number TRIGSEC = 781558654 / Trigger time in seconds TRIGSUBS= 26400 / [2*10**(-5) s] TRIGger SUBSeconds TRIGTIME= 781558654.528 / [s] MET TRIGger Time = TRIGSEC+TRIGSUBS*2e-5 DATETRIG= '2025-10-07T19:36:58.1' / UTC date of the trigger TZDELTA = -12 / Trigger delta time in 10e-3 seconds units TRIGSATF= 124 / Trigger table index. Highest signif. satisfied BRA_OBJ = 128.173448684227 / [deg] BAT GRB Object RA location BDEC_OBJ= 21.8233077799029 / [deg] BAT GRB Object DEC location1 BATTHETA= 13.7204704284668 / [deg] BAT GRB Object Theta on detector BATPHI = 106.567893981934 / [deg] BAT GRB Object PHI on detector APID = 387 / Application Process Identifier PKT1REV = 1 / No.of revisions for PKT #1 PKT2REV = 1 / No.of revisions for PKT #2 PKT3REV = 1 / No.of revisions for PKT #3 PKT4REV = 0 / No.of revisions for PKT #4 PKT5REV = 0 / No.of revisions for PKT #5 PKT6REV = 0 / No.of revisions for PKT #6 PKT7REV = 0 / No.of revisions for PKT #7 PKT8REV = 0 / No.of revisions for PKT #8 PKT9REV = 0 / No.of revisions for PKT #9 PKT10REV= 0 / No.of revisions for PKT #10 PKT11REV= 0 / No.of revisions for PKT #11 PKT12REV= 0 / No.of revisions for PKT #12 PKT13REV= 0 / No.of revisions for PKT #13 PACKET1 = T / Data from packet #1 present PACKET2 = T / Data from packet #2 present PACKET3 = T / Data from packet #3 present PACKET4 = F / Data from packet #4 present PACKET5 = F / Data from packet #5 present PACKET6 = F / Data from packet #6 present PACKET7 = F / Data from packet #7 present PACKET8 = F / Data from packet #8 present PACKET9 = F / Data from packet #9 present PACKET10= F / Data from packet #10 present PACKET11= F / Data from packet #11 present PACKET12= F / Data from packet #12 present PACKET13= F / Data from packet #13 present P1UTCC = -36.46354 / [s] Packet #1 UTC Correction time P1UTCCS = -37 / Packet #1 UTC Correction Seconds P1UTCCSS= 26823 / [2*10**(-5) s] Packet #1 UTC Corr SubSeconds PKT1TIME= 781558671.97686 / [s] ccsds PacKeT #1 Time= PKTSEC+PKTSUBS*2e-5 PKT1SEC = 781558671 / ccsds PacKeT #1 SEConds PKT1SUBS= 48843 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds PKT1SEQ = 29 / Packet#1 CCSDS sequence number TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. TELAPSE = 209.919999957085 / TSTOP - TSTART ONTIME = 209.919999957085 / Time on target LIVETIME= 209.919999957085 / Ontime multiplied by DEADC EXPOSURE= 209.919999957085 / Total exposure, with all known correction DEADC = 1. / dead time correction KEYMISS = T / Expect missing keywords CHECKSUM= 'cEUPeDUOcDUOcDUO' / HDU checksum updated 2025-10-07T19:40:53 DATASUM = '583417202' / data unit checksum updated 2025-10-07T19:40:53 P2UTCC = -36.46354 / [s] Packet #2 UTC Correction time P2UTCCS = -37 / Packet #2 UTC Correction Seconds P2UTCCSS= 26823 / [2*10**(-5) s] Packet #2 UTC Corr SubSeconds PKT2TIME= 781558842.18434 / [s] ccsds PacKeT #2 Time=PKTSEC+PKTSUBS*2e-5 PKT2SEC = 781558842 / ccsds PacKeT #2 SEConds PKT2SUBS= 9217 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds PKT2SEQ = 30 / Packet#2 CCSDS sequence number P3UTCC = -36.46354 / [s] Packet #3 UTC Correction time P3UTCCS = -37 / Packet #3 UTC Correction Seconds P3UTCCSS= 26823 / [2*10**(-5) s] Packet #3 UTC Corr SubSeconds PKT3TIME= 781558886.48296 / [s] ccsds PacKeT #3 Time=PKTSEC+PKTSUBS*2e-5 PKT3SEC = 781558886 / ccsds PacKeT #3 SEConds PKT3SUBS= 24148 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds PKT3SEQ = 31 / Packet#3 CCSDS sequence number END AJѳ3338 ěT?3WDDD]hD-A֦AܟA7AEvBFAJѴ6+ I?bQigDDTDXhD0A^AdAAڧEuBF AJѴ4hr!?_s?DlDDQDAA2AXA<AsEyBGAJѵ3S?>iDD4DaD@AJ^AAA|E{,BHwAJѶfff1^5?|?YADDD`D4ABGKAJѸ-Vt?TDDDbD?@A|AؐgAdAME}BI3AJѸ)"`A?YwDDLDe`D8`AEnzBdAJѻ =dZ1?zG{c-DDDk(DMxBkBx2BXBJG#EkB⤰AJѼ1&?zG{s DD,DR(D,BpZBuiBMB9lEsBEAJѼ(E?zG{r% DD@DdDOBpq;BzBU-BKl1EBعAJѼQO;dZ?zG{wD@D|DYD+BzBrBPʊB8ExBAJѼzGE?zG{Z{D(D DMxD/BhqBsYZBJGB;7ElBٖAJѼ E?zG{DD`DHDIBv8B||BHBHǜEB6GAJѼE?zG{xDXDDLD?hBvBrbMBJTBCExBAJѼnO;?zG{s_,DDDj`D=BpZBj/BXBBtQEvB4rAJѽR&x?zG{~1D,D8DnHD6BuiBtOmBZMB?6ExB AJѽGvȴ9X?zG{_ D@DDODBѽAJѽ$/?zG{QDDDZD6Bex1BtB>EpBvAJѾzl?zG{ DDdDaD9(Bx0BuDBT!B@o`E~B᱁AJѾ=pbM?zG{\}(DDDg@DDBi/:BsBWBF Ey8BAAJѾfffS?bMfQDvD"DG8D4BBȴBBEsC.AJѾvȴ?bMbWD4DRD?hD)B߰BBBEvC/cAJѾ+O;dZ?bMnfDDDVDG8B BB[BEsC.AJѾP$/?bMyRDDDlTD (B/BBB}EpC-w5AJѾtj~?bMs^DDD`D7B\B B9B}pEoBC,AJѾQhr ě?bM|\D{DDr0D3BwDBBBާEpC-w5AJѾȴ9Q?bM[DLDDD1Bg8BPeBB "EMC6IAJѾꟾvȴ9?bMrXDDXD^D+BB'BPBSEwC/AJѾxտ+ I?bMeUDFDvDEDD&BBBB.Er0C-AJѾ#nO;?bM{ehDp<D@DEDDK BJ%BŤqBBX(EnHC,rAJѿ =pܬ1&x?bMpQDzDvDZD4BBB\BEfxC)AJѿzG{?bM_bD@DFD9D?hBŤqBBK-BEzC0AJѿ+ ȓtj~?bMyeDDDlTDEDBBBBEC4YAJѿ;dZbM?bMgD:DhDDI,BBOBBdBsECCAJѿKƨ?bM?bMpDtDDDZB١B/B B\EBCKAJѿ\(?ȓtj~?bM oDEYDDXBC"pB؁BE\C[AJѿlC?zG{?bMmDbDDtDTBNB|B١B!:EЀCVDAJѿ|?ܬ1&x?bMcDިDDDA\BB BBwEGCWAJѿO?nO;?bM gDEeDDI,B>AJ$@ (\)?bMn_DDDVD9BIB6B[BK-2E5C95AJ+@ /v?bMrSDDD^D"Bի-BRBPBY+EC8 AJ&y@5?|h?bMgD:D|DDI,BBOB]B1B,EC87NAJ7K@;dZ?bMvOD:D"DfxDLBBOBȴBB E_C2cAJG@ ěT?bMxeDDDj`DEDB/BPeB)BE C4]AJXb@ =p?bMkTDD DPD$BB BRB4EC5 AJhr@&x?bM]DDDx D5Bի-BvBBIEҀCBB{BoB^:EqBЈAJöE@!n?bMC$DDDkZD)BhgBBrBNE{wB:AJ =@"M?bMNCDDDhlD1BUBhgBq BR5Ex@C1AJ@"`A7?bMA/DDDfxD&BBBp *BLRE{BaAJt@#S?bM(DD}DLDBVBiMB{BaTB\jEkZBAJ9X@# =p?bM-YDDuDx D2BBZByBS^;E3CAJZ@$Z1'?bM9:DDRDbD.B7BpBm/BQ ZE}kBAJzG@$/w?bMHgD(DKDnHD8B}BBtBV`ECgAJě@%`A7K?bM|gDDKDnHD8BK-BBtBVEC|AJļj@%S?bMb*DDDDBVB99BBZB\jERC pAJ/@&ffffff?bMxuLDD!DD^B}pBjBYBkE@C TAJ@&x?bMWDިDD{D|BPB BB{uECAJR@'lC?bMxQDDODDuB}pBo!BkBwECAJ?|@'-V?bMxDDD)DoBB}pBޅBBt2EZCu*AJ`A@(r ě?bMDDǵD5DWBBBBhHFEC AJŁ%@(\(?bMV<DD8DLDkZBz|BBBrEC 8tAJš@)xE?bMPDD8DD6BBB4BU-"EfC #AJ\@)lC?bM f DɩD_DDYBBcBB"pECnAJS@*~"?bM9DCE DDGB,B[qBB?EО@C!|AJ@+ I^5?bMDD*D͑DSBBWBLB(HEJCAJ$/@+Q?bMDDDDlTB99B9BBsfE_CLAJE@,1&x?bMl7DDmDD`B BNBbBl:ETCAJfff@,C%?bMq0D-DDpD2BBB71BS^E>C oAJƇ+@-Vt?bMWnD{DDADJ&BBvABB`E@CAJƧ@-hr ?bMRDD D4DzD5BBBzBUPECAJȴ9@.zG?bMRED DDzDJ&BB׃BzB`fEsCAJx@.O;d?bM>K"DFDDD8BQB"B BVhEC1AJ =p@/vȴ?bM?iDDEDD7B$BpB_ZBV==rECAAJ+ @/-V?bMNKDDDfxDH2BUB"Bp *B_IRECAJKƨ@0bM?bMr7DDDXD*BFBbBhΨBN6EC@AJlC@0QR?bMJ<D"DLD}DdBBB{Bo<tE)CAJǍO@0tj~?bMNMDDDzD)BUBBzBNIE@C`AJǮ{@0E?bM9JDD"DifDZB7BBqBiڅRECAJ@1+ J?bM2GDjDD_DQBBFHBlrBe5Ex@C1AJ@1XbM?bM2:DjDRDuD>nBBpBwBZ0*E BPAJbN@1?bMN=DDDTD,BUBBfKBOE_BAJ1&@1"`A?bM8JDXD"DD7B BB_ZBV==LEGC?AJQ@21&?bM@)D@DDzD@BB`BzBEq E|2BAJr @2^5?|?bM5=DDDQD-BTBBeBPvExǀBcAJȓt@2vȴ9?bM-MDDDfxDJ&BBBp *B`5Ex@C1AJȴ9X@2Gz?bMTGDDDwD1B.BFHBxBRNECcAJ@3"`A?bM+bDDDQD3BnB71BbB\BZ0EvBHAJɺ^5@4hr!?bM'@D D@DPD1B/!BBdBREvӀBhtAJ"@5/v?bM/UDDD^DCPBBD_BkB\0EBAJl@5p =p?bM67D^DDvD4BBbBx BT"E&BAJ@5-V?bMM,DD|Dt$D9BBQBw BW`21E@B[AJ=p@5E?bM:e DTD@Ds*D=BB)AAqEB1AJ@6"`?bMXvDD>DgD7րBi/BjB~AavE BۤAJC@8?bMRDDNDDOBUB<-B AŅEB?AJƧ@9$/?bMpD=DDkDABHBAp|A$E)BAJI^@: I^5??bMFDˀDDuD;ABYBUAA]EPBdAJ@;nO?bMM D@D+DwPD>nB{BeARA0EPB@PAJO;@<tj?bM~DD=Dr0D4BxBHAAԪEBAJ@=Q?bM!DKD1D@D?BBAAbbEB%AJV@>$/?bMY`D@DDqD:ĀBByANADE\BAJ@?+ I^?bM@DDDjD/KB LB4A0AW EPBZAJ\(@@tj?bMD@D_@DeD1B #B AEAEB}AJ;d@@S?bM.ID݀D)@DlTD4B>HB&AfAԅ#EpB]7AJbM@AQ?bMUDD@DiD1B BQAA[EPBDAJ`A@An?bMlDDDUD<;B )zB aA:ApEkB}eAJhr@B$/?bM0DD@Df9DG8B {$B ԏAA+mEBAJ@B-?bM }DD@DZD4-B Z}B &Av6A! 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