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 = '01406589000' / Observation ID TARG_ID = '1406589 ' / 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 = 783020395.2 / Start time DATE-OBS= '2025-10-24T17:39:55.2' / Start Date TSTOP = 783021045.12 / Stop time DATE-END= '2025-10-24T17:50:45.1' / 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 = '2025-10-24T17:48:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -36.56272 / UTCF at TSTART CHECKSUM= '4SpS5SmP4SmP4SmP' / HDU checksum updated 2025-10-24T17:51:15 DATASUM = ' 0' / data unit checksum updated 2025-10-24T17:48:23 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 = '01406589000' / Observation ID TARG_ID = '1406589 ' / 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 = '2025-10-24T17:48:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 783020867.2 / Start time DATE-OBS= '2025-10-24T17:47:47.2' / Start Date TSTOP = 783021045.12 / Stop time DATE-END= '2025-10-24T17:50:45.1' / 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 = 1406589 / Trigger Number TRIGSEC = 783020858 / Trigger time in seconds TRIGSUBS= 40800 / [2*10**(-5) s] TRIGger SUBSeconds TRIGTIME= 783020858.816 / [s] MET TRIGger Time = TRIGSEC+TRIGSUBS*2e-5 DATETRIG= '2025-10-24T17:47:02.3' / UTC date of the trigger TZDELTA = 39 / Trigger delta time in 10e-3 seconds units TRIGSATF= 477 / Trigger table index. Highest signif. satisfied BRA_OBJ = 306.621925670365 / [deg] BAT GRB Object RA location BDEC_OBJ= -68.5740620919185 / [deg] BAT GRB Object DEC location1 BATTHETA= 22.2487239837646 / [deg] BAT GRB Object Theta on detector BATPHI = -41.1436576843262 / [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 = -36.56272 / [s] Packet #2 UTC Correction time P2UTCCS = -37 / Packet #2 UTC Correction Seconds P2UTCCSS= 21864 / [2*10**(-5) s] Packet #2 UTC Corr SubSeconds PKT2TIME= 783021044.58438 / [s] ccsds PacKeT #2 Time=PKTSEC+PKTSUBS*2e-5 PKT2SEC = 783021044 / ccsds PacKeT #2 SEConds PKT2SUBS= 29219 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds PKT2SEQ = 91 / 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= 'OSF3PSD3OSD3OSD3' / HDU checksum updated 2025-10-24T17:51:15 DATASUM = '4072512964' / data unit checksum updated 2025-10-24T17:51:15 P3UTCC = -36.56272 / [s] Packet #3 UTC Correction time P3UTCCS = -37 / Packet #3 UTC Correction Seconds P3UTCCSS= 21864 / [2*10**(-5) s] Packet #3 UTC Corr SubSeconds PKT3TIME= 783021096.883 / [s] ccsds PacKeT #3 Time=PKTSEC+PKTSUBS*2e-5 PKT3SEC = 783021096 / ccsds PacKeT #3 SEConds PKT3SUBS= 44150 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds PKT3SEQ = 92 / Packet#3 CCSDS sequence number END AU@ ěS?bM#DDDcD(BErB}OBnZBMEjB0AU^5@!GzG?bM9D5DDifD'BB7BqBLEu\BxAU"@!n?bM'8D DXDH2D7B/!B B_IBV==Et$B AUl@"M?bM/HDD(DQD'BB}BeBLExBD9AU@"`A7?bM(DD#DH2D!"BiMBZ&B_IBHEhB-eAU=p@#S?bM9:DDRD^D)B7BpBkBNE{8BAU^5?@# =p?bM<D#DLDkZDEDBZ&BBrB^E_BAU~@$Z1'?bM6DMD^DH2D4BlBB_IBTEmBAUv@$/w?bM( DDDZD9BiMB BiڅBW`2EsBGAU@%`A7K?bM"DMDDZD7BlB BiڅBV==En BAUG@%S?bM4%DdDDNDjBB|Bb[BAEDEkBAU I@&ffffff?bM :DDRDVDB~BpBgB=qlEg3BjAU"@&x?bM"DDDDJD>nBB B]BZ0EjBP@AUC@'lC?bM(D#DDH2D5BZ&BiMB_IBUEmBAUdZ@'-V?bMDDDLD(BBBBaTBMEfBJ:AU@(r ě?bM5$DDDF>D(BTBB^:BMEnB2AUT@(\(?bM DDGD^D)B B?BkBNEkBAUƧ@)xE?bM0D/DpDPD9Bm5B71BdBW`2EqBNAUl@)lC?bM1DD|DUD*BpB{uBg:BNEiB&AU1'@*~"?bM#DD5DDJD (BErBB]BHEd€B$AU(@+ I^5?bM6!D^DDA\D&BBB[BKElB?AUI^@+Q?bM2DjDGDXD(BB?BhΨBMEnHBAUj~@,1&x?bM/DDDCPD4BBBB\BTEkBAUC@,C%?bM#DDD?hD5BErB1BZBUEi'Bn&AU1@-Vt?bM"?DDD@bD:B B$B[NBWEshBAU@-hr ?bM1D#DDhlDH2BZ&BpBq B_I E|BVAUh@.zG?bMD}DD\D:B{BBj/BFBOEcKB`AUV@.O;d?bM(DDDRD;B}OBiMBeBXElTBfAU/@/vȴ?bM!DyDDhlD7ByBBq BV==ElBQAUO;@/-V?bM DzDD`D4BzB BlBF߰EdBnD:B}OBlBZ0BFBO}EZBv6AUvȴ@21&?bM!DkDD^D&B}eBBkBLREh-BAUP@2^5?|?bM+#DDDOD/B-?bMaDtD@D;D' DD`DE D-WAAA^>AP+:EbA=AÚ%@X I^5?@bM DDC`DED-`A#AA^GmAPmI:4Ec[ AhAUύO@YnO@bMx { D* DyDCD%`A AA\UAK9\E``AAUљ@Ztj@bM DD=`DD@D+AA A]AOSk9Ea(AA#AUӥT@[Q@bM< LDDDFD0A_ZArA^ARR:Ec0A;AUղ-@\$/@bM& p DDDBVD)oAhA?A\jAM9E`(A AU׾v@]+ I^@bM  D1DDLD6~AaAOyAb\AAU;?EgnA0AU@^1&x@bM*B D DӠDCD,`AwAA]YAO$:EbpA ~AU =@_7KƧ@bM DAD`DJD7AADAaAV==:EdA hAUS@`Q@bM { DD2DCD3@AAaA\UAT:Ef"AfAU@`n@bM GDPDcDIz D05`AZA yA`nTAQ:{EdpxAAUl@a$/@bM DDDFD)Ac(AH A^AN:EbxA5AU1'@a-@bM] Z ~D@DD@@D3AA7kA[AS5:9EcnAsAUz@b+ I^@bM3 DzD^pDI D4`A"AA`1aAT|:EdA/AU ě@bzG@bMK