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 = '01343270000' / Observation ID TARG_ID = '1343270 ' / 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 = 777173022.4 / Start time DATE-OBS= '2025-08-18T01:23:42.4' / Start Date TSTOP = 777173704.32 / Stop time DATE-END= '2025-08-18T01:35:04.3' / 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 = '2025-08-18T01:32:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -36.16542 / UTCF at TSTART CHECKSUM= '9RlXARkU4RkU9RkU' / HDU checksum updated 2025-08-18T01:35:00 DATASUM = ' 0' / data unit checksum updated 2025-08-18T01:32:13 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 = '01343270000' / Observation ID TARG_ID = '1343270 ' / 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 = '2025-08-18T01:32:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 777173526.4 / Start time DATE-OBS= '2025-08-18T01:32:06.4' / Start Date TSTOP = 777173704.32 / Stop time DATE-END= '2025-08-18T01:35:04.3' / 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 = 1343270 / Trigger Number TRIGSEC = 777173518 / Trigger time in seconds TRIGSUBS= 45600 / [2*10**(-5) s] TRIGger SUBSeconds TRIGTIME= 777173518.912 / [s] MET TRIGger Time = TRIGSEC+TRIGSUBS*2e-5 DATETRIG= '2025-08-18T01:31:22.7' / UTC date of the trigger TZDELTA = -51 / Trigger delta time in 10e-3 seconds units TRIGSATF= 147 / Trigger table index. Highest signif. satisfied BRA_OBJ = 213.833461809625 / [deg] BAT GRB Object RA location BDEC_OBJ= -58.0074587914962 / [deg] BAT GRB Object DEC location1 BATTHETA= 27.6125431060791 / [deg] BAT GRB Object Theta on detector BATPHI = 86.1640701293945 / [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 = -36.16542 / [s] Packet #2 UTC Correction time P2UTCCS = -37 / Packet #2 UTC Correction Seconds P2UTCCSS= 41729 / [2*10**(-5) s] Packet #2 UTC Corr SubSeconds PKT2TIME= 777173686.0885 / [s] ccsds PacKeT #2 Time=PKTSEC+PKTSUBS*2e-5 PKT2SEC = 777173686 / ccsds PacKeT #2 SEConds PKT2SUBS= 4425 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds PKT2SEQ = 9 / Packet#2 CCSDS sequence number TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. TELAPSE = 177.919999957085 / TSTOP - TSTART ONTIME = 177.919999957085 / Time on target LIVETIME= 177.919999957085 / Ontime multiplied by DEADC EXPOSURE= 177.919999957085 / Total exposure, with all known correction DEADC = 1. / dead time correction KEYMISS = T / Expect missing keywords CHECKSUM= 'KeI2NZ90KbG0KZ90' / HDU checksum updated 2025-08-18T01:35:00 DATASUM = '4025333733' / data unit checksum updated 2025-08-18T01:35:00 P3UTCC = -36.16542 / [s] Packet #3 UTC Correction time P3UTCCS = -37 / Packet #3 UTC Correction Seconds P3UTCCSS= 41729 / [2*10**(-5) s] Packet #3 UTC Corr SubSeconds PKT3TIME= 777173730.38 / [s] ccsds PacKeT #3 Time=PKTSEC+PKTSUBS*2e-5 PKT3SEC = 777173730 / ccsds PacKeT #3 SEConds PKT3SUBS= 19000 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds PKT3SEQ = 10 / Packet#3 CCSDS sequence number END A)] 333@E?bMraDD]DhlDLBFBȗBq BaTEҀCCA)] S@"`?bMleDDQDlTDDDPBBjB|BdEC 6A)] Z@#$/?bM|DUDD/D5BBK-Bm5BU ExC LA)] zG@$tj?bM-DgDgDDPBOBOBBd hECR'A)] @$S?bM*D,DDD5BB[BZBU8ECUA)] j@%Q?bM&D[DDDA\BB?BB[]E@CA)] /@%n?bM8DD&DXDA\B BB B[ECjA)] @&$/?bMDD D/DSB99BX(Bm5Bf+)EA@C A)] R@&-?bM>DDDFD?hBBBQBZfEC7CA)] ?|@'+ I^?bM&D DDDNBX(BIRBBb[iE@C_A)] `A@'zG?bM&DgDaDDA\BOBQBB[TECD_A)] %@(1&x?bMDD̗DD-B!:BBgBPv!EG@C XA)] @(9XbN?bM.DDDvDDJBBBKB]ElC *A)] \@)7KƧ?bM DDD_DG8BBBPB_+m7ECA)] S@)^5?|?bMqD-DȯD~D)BBbEB|mBNEPC(A)]@*=p =?bMiDDEDDBVBBpBgB\jECԏA)]$/@*n?bM D2DtDD/B0BnBBQEC A)]E@+C$?bMD,DD~DBVBBJB|mB\jEq@C ~2A)]fff@+Ƨ-?bMDD̗DbD9BqBBm/BW`2EC A)]+@,I^5?}?bMqbD-DDr0DgrBBBvBp8EvCKA)]@,?bMDVDDfxD@bBB{qBp *B[NE+CA)]ȴ9@-O;dZ?bMzDDnDwD'BrBHBxBLE@CA)]x@-l?bM|]DDiDzD (BK-BBzBH}EB@ChA)] =p@.Vt?bMDPDtDp<D9B@BnBuBW`2EjCA)]+ @.+ ?bMr[DDoDDUBFBB|Bg:E=C4#A)]Kƨ@/\(\?bM`\DDD`D:BSBBlBWaE@CWA)]lC@/;dZ?bMh]DDiDr0D'B;UBBvBLiE@C@A)]O@01&x?bMMDhDDD#BBB_ZBIdE؀C(A)]{@0r ě?bMihDEDDcD3BpB;UBnZBSrECAA)]@09XbN?bMzWDD{Dr0D?hBrBBvBZE6@CTA)]@0\(?bM_dDcDDGDQB]BgB?BeE@C%A)]bN@17KƧ?bM{ODDD]DZBBBkjBiڅE6@CTA)]1&@1xE?bMFlD.DD[D3BB Bj`BSKE'C+A)]Q@1^5?|?bMZIDDDbDBR'BBm/B>EBA)]r @1lC?bM{ZDDDkZD`BBR'BrBlECnBz|BSByBZ0xECA)]7K@3Q?bMY`DuDDbD5BZBSBm/BU[ECoA)]Xb@3Ƨ-?bMSIDDDhlDNBBBq Bb[]EZ@CA)]x@41&x?bMWfD{DD}DI,BBB{B`BEtCqbA)]@4I^5?}?bMSSDDDWDH2BBBhHFB_IPECA)]^5@4C%?bM9ADDDlTDTB7BBsfBfKFEC3A)]"@4?bMNCDDD_D3BUBhgBlrBS.EBA)]l@5Vt?bMUhDDDp<D0BD_B;UBuBR6hEC1A)]@5O;dZ?bMK2DDjD]DPB"BBkjBd6EC@A)]=p@5hr ?bMWEwDD@DXD8BlBxAAEB]A)]@6O;d?bMi:XD@DTDPD: B_BAAרEzB"A)]C@7-V?bMv} D}DDZD=BZB Av6AqE BVA)]Ƨ@8 =p?bMsnDIDDZD/BBAA|Z1ENBA)]I^@9lC?bMUFD@DˀDfD?BQBYAJ:Ab_E0B>A)]@: ě?bMq3DDDWDGBvB AJAߔZE*B]A)]O;@;E?bMDDDbQD:ĀBBSAYADEBA)]@ȴ9Xb?bM:D:@DTDaD6!BVBAzAbEB&A)]\(@?+?bM%DDWD[{DDBi/B2A>Aݩ EBGA)];d@@j~"?bMoDDDe~D?B|BAAEFpBxZA)]bM@@hr!?bMAwD/@DDlD1?BB>B5AQAҀXEB$A)]`A@Ap =p?bM'DDD^iDEBB4A͎A~E$BӭA)]hr@AE?bM|DKDDYD,]BB1ATAϕR`EBBA)]@Bvȴ9X?bM`DDD_%D8BByA0AֆEB1A)]n@B"`@bM\h D`DDaD8`ARMAĐAm8AWGpEBHA)]zG@E$/@bM D DDDGĠAAA]A_z$PEnB H8A)]+@GnO@bMJND DDj D_A5ASSA|Albv]EB;A)] t@IQ@bMD`D+ D0DkACAsAtAr`JEBRA)]"v@K+ I^@bM cDDpDDk`AɁAwAAr dEPB@A)]$1@M7KƧ@bM 9D}pDvpDmPDb΀AAAAndSEBA)]&Q@OC$@bM "RDE,EPD.@D^AAA$AliEFB /A)](ě@P-@bMD FD6Ds@D DOeA9A]AAc^^tEzBA)]*`@QzG@bMX pDDDDQA*A`A_pAeaEќBq+A)],/@R9XbN@bM-{2%E1xEF&EDCAҿ^AޒA)A`F RBAA)].x@S^5?|@bM/H1"9E8@EBXEBDPAAFAWA'JFDB>A)]0@Tn@bM((EEDDvAAHAAx |E^B.jA)]3 I@UƧ-@bM"!5EED pD[ A AoA\;AjCgE?dBA)]5V@V@bMr !DڠDvD/DM#AmAAAbv"[FEDBFA)]7@Wl@bMA }D9`DDDC! 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