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 = '01047531000' / Observation ID TARG_ID = '1047531 ' / 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 = 642263072. / Start time DATE-OBS= '2021-05-09T14:24:32.0' / Start Date TSTOP = 642263753.92 / Stop time DATE-END= '2021-05-09T14:35:53.9' / 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 = '2021-05-09T14:33:00' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.98794 / UTCF at TSTART CHECKSUM= '7OnXANnX8NnXANnX' / HDU checksum updated 2021-05-09T14:36:02 DATASUM = ' 0' / data unit checksum updated 2021-05-09T14:33:00 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 = '01047531000' / Observation ID TARG_ID = '1047531 ' / 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 = '2021-05-09T14:33:00' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 642263576. / Start time DATE-OBS= '2021-05-09T14:32:56.0' / Start Date TSTOP = 642263753.92 / Stop time DATE-END= '2021-05-09T14:35:53.9' / 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 = 1047531 / Trigger Number TRIGSEC = 642263567 / Trigger time in seconds TRIGSUBS= 21200 / [2*10**(-5) s] TRIGger SUBSeconds TRIGTIME= 642263567.424 / [s] MET TRIGger Time = TRIGSEC+TRIGSUBS*2e-5 DATETRIG= '2021-05-09T14:32:20.4' / UTC date of the trigger TZDELTA = 58 / Trigger delta time in 10e-3 seconds units TRIGSATF= 139 / Trigger table index. Highest signif. satisfied BRA_OBJ = 350.352300001742 / [deg] BAT GRB Object RA location BDEC_OBJ= 6.67546089388726 / [deg] BAT GRB Object DEC location1 BATTHETA= 23.0361099243164 / [deg] BAT GRB Object Theta on detector BATPHI = -167.332824707031 / [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 = -26.98794 / [s] Packet #2 UTC Correction time P2UTCCS = -27 / Packet #2 UTC Correction Seconds P2UTCCSS= 603 / [2*10**(-5) s] Packet #2 UTC Corr SubSeconds PKT2TIME= 642263735.18428 / [s] ccsds PacKeT #2 Time=PKTSEC+PKTSUBS*2e-5 PKT2SEC = 642263735 / ccsds PacKeT #2 SEConds PKT2SUBS= 9214 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds PKT2SEQ = 110 / 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= '3XQOAUPN6UPNAUPN' / HDU checksum updated 2021-05-09T14:36:02 DATASUM = '4040388881' / data unit checksum updated 2021-05-09T14:36:02 P3UTCC = -26.98794 / [s] Packet #3 UTC Correction time P3UTCCS = -27 / Packet #3 UTC Correction Seconds P3UTCCSS= 603 / [2*10**(-5) s] Packet #3 UTC Corr SubSeconds PKT3TIME= 642263783.48618 / [s] ccsds PacKeT #3 Time=PKTSEC+PKTSUBS*2e-5 PKT3SEC = 642263783 / ccsds PacKeT #3 SEConds PKT3SUBS= 24309 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds PKT3SEQ = 111 / Packet#3 CCSDS sequence number END A$ @!&x?bMDzDSDDJD5Bz|B(B]BUE_cBQA$ ě@!lC?bM DeD5DXD_B~[HBBhΨBlrEshBA$ A7@"-V?bM!DDD4DLBBBTBaTEj!BsA$ bM@" ě?bMDwDzDODJ&BxBz|BcB`Eb΀BA$ n@#333333?bM  DDDNDPB BBb[BdEoBA$ @#E?bMDoBDzD@bDnDSBx B~BZ0Bf+Ec B?A$ &y@%\(?bMD~Dp<DfxDBVB|mBuBp *B\jEeB A$ G@&E?bMDr0DyDA\D;BvByB[BX}EZBv6A$ hr@&ȴ9Xb?bMDr0De~D=tDdBvBoBYBo<E^iB͎A$ 7L@'KƧ?bMDDt$D(DOBQBw BMBcE]BAA$ @'+?bMD^DyDPDPBkByBdBdE^iB͎A$ @(QR?bMDwDDH2DF>BxBQB_IB^:EdEBA$ @(E?bMDvDmNDMD0Bx BsBbmBR6vEXOB苁A$ I@)XbM?bMDmNDt$D+DBBm/Bg:B^:Ec B?A$@,hr ?bMDzDDH2D5BzB}OB_IBUE^iB͎A$n@-p =p?bMDs*Dr0D0DDJBvBvBR6B]oEVBA$333@-E?bM&Dp<DD?hD5BuBBZBUEaB8A$S@.vȴ9X?bMDQDlTDI,D:BeBsfB`BBWVEPBNA$tj@."`?bMDs*DDI,D9BvB|B`BBW`2E]oBHA$@/|hr?bMDDD?hDcB|B|BZBnZEhB-eA$E@0?bM DDD:DCPBBBBWB\Ed€B$A$ =@0A7Kƨ?bM DuD_D=tD5BwBPBYBUE[=BLA$@0nP?bMDkDADK DA\B}eBBaXB[EfBJ:A$t@0ěS?bMDx DmNDWD)ByBsBhHFBN|EYBTA$9X@1$/?bMDzD{D]D$BzBzBkjBJE]BAA$Z@1GzG?bMDWDbDVD+BhHFBm/BgBOIQEOFB6A$zG@17KƧ?bMDaDDG8DnBzBlBb[BZ0|EYBTA$@4S?bM DD]DF>D9BBkjB^:BW`2xEXBΨA$$/@4/w?bM D~DYD3D+B|mB"pBSBOIzEYIBA$E@5Q?bMDq6DDND?hBuBBb[BZEc B?A$fff@5`A7K?bMDj`DwDJ&D>nBrBxB`BZ0EZBA$+@5n?bM DPDD:D+BdB~BWBOIOENɀB^A$@5S?bM,D~D|DH2DfxB|mBQB_IBp *EtBLA$ȴ9@6$/?bMDnHDp<D@bDLBtBuB[NBaTEZBڅA$x@6ffffff?bMDYDt$D>nD6BiTBw BZ0BU-WEPBpA$ =p@6-?bM.DuDxD@DFAAD9ArJA_)E]@Bk/A$O@7zG?bM1D{wDs*DGvD;A:AANlAɿE\ Bj/AЈAA_A %8E^+BkjA$@xAA܎`AМE\7BjA$"@>+ ?bM!'-D@D{wDEDF|AA:A~AO{EbABm#A$T@?;dZ?bM>-DvDD=tDF|A BA١AOcE`BmA$(@@r ě?bM'JDpzDDMD5eA1kA]AyA 1E]Bkr_A$1@@\(?bM.DqtDD@DFAAAەA_9E^:BkA$/@AxE?bM++D{wD?DED?A:A1A| AbnEavBmjIA$-@AlC?bM D_DzD>D8SAA]ATA֪E\FBjA$5?}@B~"?bM,vD_DgDBDAAPB~A܎`A$EgBp@A$Q@C I^5?bMB\ DnDDQD=A2B&AAqxEbBmA$;dZ@CQ@bM Dul Dzm`DID;Aw[Az6A`nAX8E]@A/A$G@Ehr @bM R +D{Dx@D@@D>AzҗA1A[`|AZ/9lE`MAA$S@G-V@bM EDu{DxiDJD? 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