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 = '01404904000' / Observation ID TARG_ID = '1404904 ' / 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 = 782382785.6 / Start time DATE-OBS= '2025-10-17T08:33:05.6' / Start Date TSTOP = 782383467.52 / Stop time DATE-END= '2025-10-17T08:44:27.5' / 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 = '2025-10-17T08:41:27' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -36.5195 / UTCF at TSTART CHECKSUM= '1RrV1OoS1OoS1OoS' / HDU checksum updated 2025-10-17T08:44:52 DATASUM = ' 0' / data unit checksum updated 2025-10-17T08:41:27 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 = '01404904000' / Observation ID TARG_ID = '1404904 ' / 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 = '2025-10-17T08:41:27' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 782383257.6 / Start time DATE-OBS= '2025-10-17T08:40:57.6' / Start Date TSTOP = 782383467.52 / Stop time DATE-END= '2025-10-17T08:44:27.5' / 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 = 1404904 / Trigger Number TRIGSEC = 782383281 / Trigger time in seconds TRIGSUBS= 7600 / [2*10**(-5) s] TRIGger SUBSeconds TRIGTIME= 782383281.152 / [s] MET TRIGger Time = TRIGSEC+TRIGSUBS*2e-5 DATETRIG= '2025-10-17T08:40:44.6' / UTC date of the trigger TZDELTA = 44 / Trigger delta time in 10e-3 seconds units TRIGSATF= 146 / Trigger table index. Highest signif. satisfied BRA_OBJ = 335.386417470042 / [deg] BAT GRB Object RA location BDEC_OBJ= 7.05068725437213 / [deg] BAT GRB Object DEC location1 BATTHETA= 21.0975208282471 / [deg] BAT GRB Object Theta on detector BATPHI = -0.870699405670166 / [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 = -36.5195 / [s] Packet #1 UTC Correction time P1UTCCS = -37 / Packet #1 UTC Correction Seconds P1UTCCSS= 24025 / [2*10**(-5) s] Packet #1 UTC Corr SubSeconds PKT1TIME= 782383302.1766 / [s] ccsds PacKeT #1 Time= PKTSEC+PKTSUBS*2e-5 PKT1SEC = 782383302 / ccsds PacKeT #1 SEConds PKT1SUBS= 8830 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds PKT1SEQ = 72 / Packet#1 CCSDS sequence number TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. TELAPSE = 209.919999837875 / TSTOP - TSTART ONTIME = 209.919999837875 / Time on target LIVETIME= 209.919999837875 / Ontime multiplied by DEADC EXPOSURE= 209.919999837875 / Total exposure, with all known correction DEADC = 1. / dead time correction KEYMISS = T / Expect missing keywords CHECKSUM= '9hI6Be939eG3Ae93' / HDU checksum updated 2025-10-17T08:44:52 DATASUM = '2105607692' / data unit checksum updated 2025-10-17T08:44:52 P2UTCC = -36.5195 / [s] Packet #2 UTC Correction time P2UTCCS = -37 / Packet #2 UTC Correction Seconds P2UTCCSS= 24025 / [2*10**(-5) s] Packet #2 UTC Corr SubSeconds PKT2TIME= 782383481.34764 / [s] ccsds PacKeT #2 Time=PKTSEC+PKTSUBS*2e-5 PKT2SEC = 782383481 / ccsds PacKeT #2 SEConds PKT2SUBS= 17382 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds PKT2SEQ = 73 / Packet#2 CCSDS sequence number P3UTCC = -36.5195 / [s] Packet #3 UTC Correction time P3UTCCS = -37 / Packet #3 UTC Correction Seconds P3UTCCSS= 24025 / [2*10**(-5) s] Packet #3 UTC Corr SubSeconds PKT3TIME= 782383525.48302 / [s] ccsds PacKeT #3 Time=PKTSEC+PKTSUBS*2e-5 PKT3SEC = 782383525 / ccsds PacKeT #3 SEConds PKT3SUBS= 24151 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds PKT3SEQ = 74 / Packet#3 CCSDS sequence number END AQL7O;dZ?V4D8DDUpD( A>kAҘ*AA.EgB@AQM5E?DDDbD4ADDAҶAAEoBCyAQNfff4Z1'?qDtD$DYD60AlAmAUAElBBAQO3332n?TDDDU D;XAAAoA"EmDBBAQP1&x?DD,DKDAAAп AAssEj~BAAQP/vȴ?7UDDDPD-HAAA2AEdB?SAQQ+lC?pD$DDH(D1AmAAAmEjBBAAQRfff(9XbN?/D<D$DOXD6AAmA#AMwEjBAAQS333%$/?V0DhDDOD88AAحA5lAEo~BCsAQT"M?JDlDDSD7pAAAAQEkBB>AQT5?|h?zG{]DTDDDD5@BiB{7BF B>dEqB\AQThr ?zG{VN.DDxDkDBo#BtOmBT!BCAEzBߛWAQV=p ě?zG{acDDDUHD7BjڋBkBNB?EmBAQVfffhr ě?zG{ DDDR(D?hBzB{?4BMBC(EBAQV\) ěT?zG{U~CD4D8D|XD+BfBtOmB` B9gEwDBanAQVQ -V?zG{qqD$D$DXhD=BpBpBP BBtQEuBݖAQVG "`A?zG{y)DDDLDhDXhBrBxnBWkBP BErBLAQW =ptj~?zG{orRD\DDDG8Bow.Bpq;BeIBG2EBAQW333tj?zG{m8DDDsD1XBnB}B\EBE#C;,AQXA7zG{?bMfD|DDDG8B]BBB=EC;AQXQ녿bM?bMbDDRDD?hBBB1BE_C4AQXbMӿؓtj~?bMTDDDD$BYBB7B4EC4YAQXr bM?bMdDDD|DCPBγBB]B@WE=C?4AQXnbM?bMy^DDDlTD7B&aBvBB}pEYC55AQXt?bM}LDFDDt$DpBBѡB\B71EC5AQX ?bM?bMDDDDBPeBTB˹BYEŀCKBAQX9X?bM?bMD@DDDBŤqBB/B2@oECBAQXě?ؓtj~?bM~DFDLDDvBBg8BPeBcaEC@AQX?bM?bMvD DnD:DfxB B0BBOBECFAQX`A?zG{?bMD D\D.DB BB|BEZCIw0AQX?tj~?bMlD@DDDRBŤqBѡB&aBa8QEƀC>?/AQY$?1&x?bMtDhDDvDbBB==BBIRECGUgAQY+?bM?bMDvDDDx BB6B2@BPEC>AQY&y?nO;?bMmDDDDTB̓BB^B!:fECA AQY7K?zG{?bMpDD\Dx DZBʅBBB\]EC@)AQYG?+ I?bM}TD@DDt$D$BŤqB^B\B4(EC7\AQYXb?tj~?bMiDD@DjDMB2@BŤqBEDB'EC7bAQYhr?vȴ9?bM\D^D|D{D3B‡B]BwDBާEkC3-aAQYx?1&x?bMsDD8DD`B7NB+mBYB9PEC>AQY7K?Q?bM`DDDD;B2@BγBBEC5`AQY@bM?bM|DRDDDr0BB==B/BgE%CAcAQY@hr ě?bM`D>DD"D;Bޟ:Bի-BȴBECGUgAQY^5@nO;?bM_D DDdD9B BѡBBK-VEC? AQY@tj~?bMgDDhDDI,B̓BB9BmECBAQY"@zG{?bMiDDD:DMBBBBOBiECBAQY@$/?bM]DDDD5B^BB&aBbEC@[AQYl@+ I?bMdD:D@DDCPBBOBŤqBqlB@8EC:1AQZ I@O;dZ?bMx^DDDj`D7BBRB)B}p2E5C95AQZ@tj~?bM{SDDtDp<D"BRB١BJ%BY;EgC:6AQZ-V@ ?bM_DXD:D"D9B'BBOBȴBK-AEހC;AQZ=p@ vȴ9?bMcD|D^Dx DA\B]B‡BBwEC4AQZM@ S?bM{lDFDDp<DRBBBJ%Ba89AQZn@ -V?bMfDbDDDG8BNBBYBpEXCC'AQZ~@Q?bMgD@DDDI,BŤqB؁B2@BLEC=qlAQZ\)@vȴ9X?bMhDDDDK BB6BBX(REC>h;AQZv@bM?bMs[DDD`D1BBB9B 4EC9^AQZ @`A7L?bMiDD@D}DMBBŤqB'BEC3XAQZ@hr ě?bMGDjDFD}D BEDBB'BEz}C0AQZ`@Q?bMs]DjDD`D5BEDBRB9BEC42@AQZG@nO;?bMcD^DDDA\B‡B==BBwCE[C;AQZ@l?bMiDDDDMBqlBRBB+EC8 AQ[ I@tj~?bMPD"DDD@BȴB==B7B9EC:[qAQ[n@+?bMuDRDnDDdBB0BBeECAmAQ["@zG{?bMyD4DDDlTB߰BBʅBqECCPAQ[333@E?bM`DdDJD4D;BB݅B߰BeECAmAQ[C@$/?bMtDDDDbB ZB[BBIRECG.2AQ[S@tj?bMdDDDDCPBBBB@WE=C?4AQ[dZ@+ I?bM|DDDDr0B ZBʅBBgE%CAcAQ[tj@ =p ?bMYD(D:DD-BBBOBBg%EC7 AQ[@O;dZ?bMhD"DDDK BȴBRB9BX(MÈC=AQ[@bM?bMZDLDDD/Bg8B ZB B;U:E)C:XAQ[T@tj~?bMvDdDDDfxBBB^BIEҀCAQ\Z@5?|h?bMeDD,DDEDBPeBBB&aBjECB76AQ\j~@Q?bMQD:D>DD4BBOBޟ:B\BGEUCBuBBkB^:ErBOAQ^@)+ I?bM 5DDDs*D@BBTBvBEqEpBQFAQ^#@)?bM D5DDkZDTBB BrBfKEzB|AQ_@*1&?bM*DDDUD8B}OBZBg:BVElBQAQ_;dZ@*vȴ9?bMIDDDRDbBBBeBm/E@BAQ_\(@+"`A?bM%`DDDLD2B|BSBaTBS^ E},BAQ_|@+S?bM4MDdDDPD`BBBd BlnB/!BbByBZ0EBAQb\)@3+?bM9iDDEDBVD:B7BpB\jBW(EBAQb @49XbM?bM!,DD|DlTD>nBBQBsfBZ0Ez}B>xAQb`@4zG{?bM7HDD(D]DcBbB}BkjBnZKE'C+AQb@4j~#?bM4=DdDDQD*BBBeBNEẁB!AQcn@4E?bM DkDDWD@bB}eB BhHFB[NElB1AQc333@5?|hr?bM3DD#DVDF>BBZ&BgB^:ExJB$AQcS@5$/?bM#0DDpD[DBVBErB71Bj`B\jExǀBcAQctj@5\(?bM<DLD5D?hD2BBBZBS^EnHBAQc@6tj?bM# DDYD@bD'BErB"pB[NBLEb΀BAQcE@6E?bM2D;DjDI,D*B~BB`BBNEkBAQc =@6+ I?bMqBD@DUDWDKBBbAJAEv7@BxAQdZ@7O;dZ?bM{`DDDRD3BZBKcAA}dEpzBu1kAQd/@8tj~?bM^BDyDDKD;BBAAإ[EoBtAQe`A@9?bMEadDl@D@DSD6B$BWA+Aի-EiBqAQeS@:vȴ9?bMo0XDDDPD;BAAA؁Ei`BqAQffff@;S?bM/DDOD]D:AFBׯAAANEo"BtAQfx@<1&x?bM*u0 D DH@DG8D>/APBA+mA %Eh@Bp\AQglC@=-V?bM{(pDDDVD/BKcAAAѡEhBq%LAQg@>Q?bMv.D[DnDXODFBfBFA苁A_Ev'BxAQhr @?vȴ9X?bMECDl@D$@DKۀD@bB$BAANAEnWBtAQh@@bM?bM_rUDDDP@D2wBuBAA,TA:EjoBrAQix@@`A7L?bMqR`D@DDRD0BnBAAREiBqAQil@Ahr ě?bMQ2.D@DDFD/KBيBA_AW Eb`BmAQj~@AQ?bMeDT@DDBVD3BBAjAEiBqAQk I@BnO;?bM[rDDDWUDABoBErAA۹rpEq6BuAQk@Bl?bMzs'DDDWDEB'ErXA]hAQ~vȴ@Rl@bM {D,DDS]`D3aAZAsAeCASċ=EqAAQn@S+@bM^ xDsD~`DTD33AAAfkAS= EnoA&AQ\)@TE@bM DgDDU"D4A~AAf&AT=Eq&`AAQ@Vtj@bM DSD@DY@D8AAAiezAV>EtAVAQ@W =p @bM D`DDWD3AA|JAhHFATG>ErHAIAQ9X@XbM@bMws s DADpDR$D9ʀAHAAe5AWu?AEwAAQ@Y+ I@bM= D|Dz0DYwD6`Au AٻAi*AU >vEsAAQ@Z1&@bMk" eDD``D\@D2 AA0AjARB>EuـAAQ@["`A@bMS D(pDA DY`D6܀ApA!AiL^AUϻ>EuـAAQ`A@\(\)@bM~ DDH`Dd5D4`AAAn]AT3@AEzA~AQ@]/v@bM &D0DipDUQ`D=AeAzAfAY`?EyAAQ@^5?|h@bM ; D0DDND4`AqAAcUAT3=NEoxAAQ =p@_;dZ@bM ,DDDWdD.AAAh cAP=EpCAAQ+@` ěT@bMjg D DİDX`D3`AJA]AhEASm>/ErAmCAQ"@` =p@bM!i DDDa(D;AqApAmA#AX?ExqA8xAQ/@a&x@bM GD4pDƀDKD05`AAZAaAQ[EsxAbAQG@b-V@bM DDDY D6@AvA0ErAo>AQS@b ě@bM DQDDU`D5UApGA cAg2&AT=EqAYAQ`A@c333333@bM: DpDe DUD7YA*(AjAgAV=EpOAAQlC@cE@bMo BD0DPDZ#D?@A+}AqzAiAZ?pEẁA!AQx@d9XbM@bMv D9D0DXD7ADASAhAV==>#ErAUzAQ@dj~#@bM/ D0DDWE`D4@AAANAgATB>YEsAmAQhr@e?|hr@bM- j DDDQ@D5A0ErAo>AQ@fE@bM> s XD`DDR$D1?AxAAe5AR=EpAg*AQE@fȴ9Xb@bM= XD|D DZb@D1?Au AAicAR>9EsA