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 = '01403191000' / Observation ID TARG_ID = '1403191 ' / 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 = 781858843.2 / Start time DATE-OBS= '2025-10-11T07:00:43.2' / Start Date TSTOP = 781859525.12 / Stop time DATE-END= '2025-10-11T07:12:05.1' / 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 = '2025-10-11T07:09:09' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -36.48396 / UTCF at TSTART CHECKSUM= '5UqU5UoS5UoS5UoS' / HDU checksum updated 2025-10-11T07:12:18 DATASUM = ' 0' / data unit checksum updated 2025-10-11T07:09:09 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 = 107 / 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 = '01403191000' / Observation ID TARG_ID = '1403191 ' / 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 = '2025-10-11T07:09:09' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 781859347.2 / Start time DATE-OBS= '2025-10-11T07:09:07.2' / Start Date TSTOP = 781859525.12 / Stop time DATE-END= '2025-10-11T07:12:05.1' / 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 = 1403191 / Trigger Number TRIGSEC = 781859338 / Trigger time in seconds TRIGSUBS= 40800 / [2*10**(-5) s] TRIGger SUBSeconds TRIGTIME= 781859338.816 / [s] MET TRIGger Time = TRIGSEC+TRIGSUBS*2e-5 DATETRIG= '2025-10-11T07:08:22.3' / UTC date of the trigger TZDELTA = 39 / Trigger delta time in 10e-3 seconds units TRIGSATF= 139 / Trigger table index. Highest signif. satisfied BRA_OBJ = 13.2873308078826 / [deg] BAT GRB Object RA location BDEC_OBJ= -62.0323175977837 / [deg] BAT GRB Object DEC location1 BATTHETA= 28.3529853820801 / [deg] BAT GRB Object Theta on detector BATPHI = -85.6639175415039 / [deg] BAT GRB Object PHI on detector APID = 387 / Application Process Identifier PKT1REV = 0 / 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 = F / 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 P2UTCC = -36.48396 / [s] Packet #2 UTC Correction time P2UTCCS = -37 / Packet #2 UTC Correction Seconds P2UTCCSS= 25802 / [2*10**(-5) s] Packet #2 UTC Corr SubSeconds PKT2TIME= 781859510.08768 / [s] ccsds PacKeT #2 Time=PKTSEC+PKTSUBS*2e-5 PKT2SEC = 781859510 / ccsds PacKeT #2 SEConds PKT2SUBS= 4384 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds PKT2SEQ = 37 / Packet#2 CCSDS sequence number TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. TELAPSE = 177.919999837875 / TSTOP - TSTART ONTIME = 177.919999837875 / Time on target LIVETIME= 177.919999837875 / Ontime multiplied by DEADC EXPOSURE= 177.919999837875 / Total exposure, with all known correction DEADC = 1. / dead time correction KEYMISS = T / Expect missing keywords CHECKSUM= 'MbaNMZUKMbZKMZZK' / HDU checksum updated 2025-10-11T07:12:18 DATASUM = '3346920625' / data unit checksum updated 2025-10-11T07:12:18 P3UTCC = -36.48396 / [s] Packet #3 UTC Correction time P3UTCCS = -37 / Packet #3 UTC Correction Seconds P3UTCCSS= 25802 / [2*10**(-5) s] Packet #3 UTC Corr SubSeconds PKT3TIME= 781859558.38118 / [s] ccsds PacKeT #3 Time=PKTSEC+PKTSUBS*2e-5 PKT3SEC = 781859558 / ccsds PacKeT #3 SEConds PKT3SUBS= 19059 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds PKT3SEQ = 38 / Packet#3 CCSDS sequence number END AM @ ěS?bM]E_DiD}DfxBBB{Bp *cEUCAM ^5@!GzG?bM@@E D@DbDNBBBm/Bb[;EsCYAM "@!n?bMaDD]DDMBBȗB|Bbm E@C vOAM l@"M?bM9eDDQDDUB7BB|Bg:ECdAM @"`A7?bMPN DDD_DPB4BUBPBdECdAM =p@#S?bM`DDD4DcDZBSBBnZBiڅmEN@C|AM ^5?@# =p?bM.D,DvDGDTBBKB?BfKEVCAM ~@$Z1'?bMZDDDmND>nBcBR'BsBZ0E:C 0AM v@$/w?bM'YEDuDDifBbBZBBqE=CHAM @%`A7K?bMMKÈDDj`DmNBB"BrBs{ECCPAM G@%S?bMSOECDD{DF>B>BBzB^:oECAM  I@&ffffff?bM$DCDDe~DH2B,BBoB_IEC AM "@&x?bMSZDDDZDWBBR'BiڅBhHFjECOyAM C@'lC?bMG^DDDgrDPBFHB(Bp8BdhEC1AM dZ@'-V?bMHnD(DDs*DZB}BvABvBiڅEtCqbAM @(r ě?bM^DgDDs*DZBOB(BvBiڅEC LAM T@(\(?bMaD1D]De~DZBGBȗBoBiڅEk@C AM Ƨ@)xE?bMPDDD`DkZB#B4BlBr)EA@C AM l@)lC?bM@EeD@DzDbBuBBz|Bm/;EsCYAM 1'@*~"?bM1RED D_DhlB BBlrBq VEC_pAM (@+ I^5?bM?D DDzD`BX(B$Bz|BlE+CAM I^@+Q?bMEDDDD_B_B׃B_ZBlrEC AM j~@,1&x?bMTCEDD~DifB9BhgB|mBqE7C%AM C@,C%?bMADDDbDPB?BBm/BdE@CAM 1@-Vt?bMBTD:DDkZDp<B0B.BrBu}EB@ChAM @-hr ?bMOD+DDt$DcBuBBw BnZEe@C _ AM h@.zG?bM[DDoDx DyBIRBByBy(E"C AM V@.O;d?bMHED(D[DCPBB}Bj`B\E_@C AM /@/vȴ?bMOEDD~DYBBB|mBiTPEC.AM O;@/-V?bM4DDdDp<DMBqBBuBbmE6@CTAM p@0bM?bMKDDDyDNBB"ByBb[ECNAM hr@0QR?bMKD<DDD`BJ%B"B_ZBl+ECAM -@0tj~?bM XE,DDaDTBByBmzBfK&EC EAM @0E?bMWD$D{DgrDfxB\BBp8Bp *$EC AM E@1+ J?bM` DDDDG8BgBSBB_+mPECAMz@1XbM?bM&JDD"DkZD^BBBrBkEEl@C$AM5?}@1?bMBD:D;DlTDifB0B~BsfBq:EC}AMV@1"`A?bM@ D΋D@D_DRBBBPBeECHAMvȴ@21&?bM]EDiDVDZB2@BBgBiڅ-E@C0AMP@2^5?|?bMWDD{DbDPB BBm/BdE@C AMQ@2vȴ9?bM5DDDdDSBJBTBoBLBBvB^:EUCbAM;dZ@3S?bM9EeDDhlDSBuB7Bq Bf+ErC AM\(@3lC?bM>:DFDRDbD8BQBpBm/BVE@BAM|@4(\)?bM-DDDDx DRBBByBeEnCFAM-@4j~"?bMUDDDj`DPBBD_BrBd E2C aAMv@41&y?bMID*DDDJDG8BWBB]B_+mEdC AM;d@4hr!?bMz:DDRD[DPBrBpBj`BdkEC^XAM@5/v?bMu<D!DLDwDJ&BjBBxB`}EB@ChAM ě@5p =p?bMEBDD:Dp<DXB׃B0BuBhΨ[ECoAMA7@5-V?bM+RDD DNDPBA E<@B޴AME@-?bMfhDDe@DTgDTBOB _ AoAKmE#Bs\AM?|@?zG?bMSD@DD[DOÀB#B bASAEBAM\@@Z1'?bM|DD#D[DCB!RBZ&A`A-E!0B/AME@@/w?bMFv8DˀDk@DXODI,BYB A苁ABEBr^AMȴ9@A`A7K?bM-DRDpDoDF|B pB71AqAOE BPAMKƨ@AS?bM(DDRD_%DEDBB pA0AEB9'AM@Bffffff?bM:DDD^DIB B 6AAnvEiBAMQ@Bx?bM9DTDDf9DIjBֽB AAeE0BAM@ClC@bM! 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