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= 'XRT ' / Instrument name OBS_ID = '01180055000' / Observation ID TARG_ID = '1180055 ' / 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 = 711530490.13236 / Start time DATE-OBS= '2023-07-20T07:21:30.1' / Start Date TSTOP = 711531177.585485 / Stop time DATE-END= '2023-07-20T07:32:57.6' / 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 = '2023-07-20T07:33:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -31.67538 / UTCF at TSTART CHECKSUM= 'mKaImKXGmKaGmKUG' / HDU checksum updated 2023-07-20T07:33:36 DATASUM = ' 0' / data unit checksum updated 2023-07-20T07:33:36 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 6 / width of table in bytes NAXIS2 = 1024 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 2 / number of fields in each row TTYPE1 = 'CHANNEL ' / label for field 1 TFORM1 = '1I ' / data format of field: 2-byte INTEGER TUNIT1 = 'chan ' / physical unit of field TTYPE2 = 'COUNTS ' / label for field 2 TFORM2 = '1J ' / data format of field: 4-byte INTEGER TUNIT2 = 'count ' / physical unit of field EXTNAME = 'SPECTRUM' / name of this binary table extension TLMIN1 = 0 / minimum legal value in the column TLMAX1 = 1023 / maximum legal value in the column MESGNAME= 'XRT_SPECTRUM' / Name of the message TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '01180055000' / Observation ID TARG_ID = '1180055 ' / 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 = '2023-07-20T07:33:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 711530490.13236 / Start time DATE-OBS= '2023-07-20T07:21:30.1' / Start Date TSTOP = 711531177.585485 / Stop time DATE-END= '2023-07-20T07:32:57.6' / Stop Date UTCFINIT= -31.67538 / UTCF at TSTART HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'SPECTRUM' / Time ordered data HDUCLAS2= 'TOTAL ' / Source + background HDUCLAS3= 'COUNT ' / Data provided as counts HDUVERS = '1.2.0 ' / Version of format (OGIP memo OGIP-92-007) TRIGGER = 1180055 / Trigger Number DATAMODE= 'WINDOWED' / Instrument operating mode AREASCAL= 1. / area scaling factor BACKFILE= 'none ' / associated background filename BACKSCAL= 1. / background file scaling factor CORRFILE= 'none ' / associated correction filename CORRSCAL= 1. / correction file scaling factor RESPFILE= 'none ' / associated redistrib matrix filename ANCRFILE= 'none ' / associated ancillary response filename PHAVERSN= '1992a ' / obsolete DETCHANS= 1024 / total number possible channels CHANTYPE= 'PHA ' / channel type (PHA, PI etc) POISSERR= T / Poissonian errors to be assumed STAT_ERR= 0 / no statistical error specified SYS_ERR = 0 / no systematic error specified GROUPING= 0 / no grouping of the data has been defined QUALITY = 0 / no data quality information specified PACKET1 = T / Data from packet #1 present PACKET2 = T / Data from packet #2 present PACKET3 = T / Data from packet #3 present PCKT_SQ1= 183 / Actual PKT#1 CCSDS sequence number PCKT_SQ2= 184 / Predicted PKT#2 CCSDS sequence number PCKT_SQ3= 185 / Predicted PKT#3 CCSDS sequence number APID = 1249 / Application Process Identifier XRA_OBJ = 245.985061645508 / [deg] XRT RA location of GRB or Object XDEC_OBJ= -12.7487192153931 / [deg] XRT DEC location of GRB or Object TELAPSE = 687.453125 / TSTOP - TSTART ONTIME = 687.453125 / Time on target LIVETIME= 687.453125 / Ontime multiplied by DEADC EXPOSURE= 687.453125 / Total exposure, with all known correction DEADC = 1. / dead time correction TERMMODE= 67 / spectrum termination mode XRTMODE = 6 / XRT mode WAVEFORM= 60 / XRT waveform BIASLVL = 0. / Bias calculated on board [if = 0 not applied] P1UTCC = -31.67538 / [s] ccsds PacKeT #1 TIME=P1UTCCS+P1UTCCSS*2e-5 P1UTCCS = -32 / Packet #1 UTC Correction Seconds P1UTCCSS= 16231 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME= 711531178.52482 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC = 711531178 / ccsds PacKeT #1 SEConds PKT1SUBS= 26241 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds CHECKSUM= '9fi4Bfg29fg2Afg2' / HDU checksum updated 2023-07-20T07:33:42 DATASUM = '3782793453' / data unit checksum updated 2023-07-20T07:33:42 P2UTCC = -31.67538 / [s] Packet #2 UTC Correction time P2UTCCS = -32 / Packet #2 UTC Correction Seconds P2UTCCSS= 16231 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME= 711531178.65554 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC = 711531178 / ccsds PacKeT #2 SEConds PKT2SUBS= 32777 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds P3UTCC = -31.67538 / [s] Packet #3 UTC Correction time P3UTCCS = -32 / Packet #3 UTC Correction Seconds P3UTCCSS= 16231 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME= 711531178.73618 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC = 711531178 / ccsds PacKeT #3 SEConds PKT3SUBS= 36809 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds END  ZRR h  f &n- !s"+#($%&'(w)*Y+,-~./_01{23W456)789:;<=>/?@ABCDmEFGHtIJKLMWNOPQRSYTUVWX-YZn[\h]s^_`iabhcBd[ecf*g>hCiEjk1lfm&n)opqr4stuvwxyz{|}~Rc|TB9SFg^ED+S&xh[^ukjWPiZa\g8$\',$Y1#p.I+!"(9D+(0:' !      !"#$%&'()*+,-./01y234n56x789:;<=>}?@ABxCDEuFrGHIJKhLgMN_OPVQpRHSwTtUpVUW^X^YnZr[\\>]^+_j`Ja@bHc<dAe[fTgih[iFjFkZl mUn\o;pZq3rCsVt-u+vBw8x1y;z={#|A}~:B?:*)B'-,'/ /&        !"#$%&'(v)*+,-./0123456789:;<w=}>x?@ABtCDyEFzGxHIJKLyM}NzOPbQbRxSTUVzWXYZ[\s]w^g_x`{a}brcgdexfmgthiivjgknlwm}nlopsqtrsXtvuav\wsx_ynzj{r|f}t~ilkZm_jd]rhgf`NfVfohg<h^[UI\RZkXPaaXZOeSZeOi^TVVX[Y]QTj^UURWItPKC_VSRa\XROTZPUU@PQ]IGGJ8QKKFEGTA>GRPKPRF[PMIJHAM:R@DMJ>EBCJEA>5:@R6BGFAHCLB E I 8 H G@HH;JCE=H8GKCBF==V 5!A"?#H$B%4&<'H(?)>*4+E,>-7.6/7091D2B3C4050617@879<:B;1<)=3>.?4@?A3B1C0D8E5F4G6HEI:J(K1L;M5N0O8P4Q-R-S3T*U:V9WCX/Y$Z-[0\7]3^._@`&a4b?c3d=e1f&g*h;i.j1k.l(m6n-o1p6q1r0s6t*u<v*w?x-y&z+{:|0}.~0>."+,#(#!2%-5%+"'$$43>*)##74,+&*1/7%#'0-),$+0.)3%)))(#)(/")2)2 "'.%+%1##,#!%%0-""$*+"$!$(!$70P8$I9