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 = '01192491000' / Observation ID TARG_ID = '1192491 ' / 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 = 716702155.8104 / Start time DATE-OBS= '2023-09-18T03:55:55.8' / Start Date TSTOP = 716702498.47431 / Stop time DATE-END= '2023-09-18T04:01:38.5' / 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 = '2023-09-18T04:01:59' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -32.02894 / UTCF at TSTART CHECKSUM= 'jDaOkAZMjAaMjAYM' / HDU checksum updated 2023-09-18T04:01:59 DATASUM = ' 0' / data unit checksum updated 2023-09-18T04:01:59 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 = '01192491000' / Observation ID TARG_ID = '1192491 ' / 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 = '2023-09-18T04:01:59' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 716702155.8104 / Start time DATE-OBS= '2023-09-18T03:55:55.8' / Start Date TSTOP = 716702498.47431 / Stop time DATE-END= '2023-09-18T04:01:38.5' / Stop Date UTCFINIT= -32.02894 / 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 = 1192491 / 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= 189 / Actual PKT#1 CCSDS sequence number PCKT_SQ2= 190 / Predicted PKT#2 CCSDS sequence number PCKT_SQ3= 191 / Predicted PKT#3 CCSDS sequence number APID = 1249 / Application Process Identifier XRA_OBJ = 244.928695678711 / [deg] XRT RA location of GRB or Object XDEC_OBJ= -14.5276432037354 / [deg] XRT DEC location of GRB or Object TELAPSE = 342.663909912109 / TSTOP - TSTART ONTIME = 342.663909912109 / Time on target LIVETIME= 342.663909912109 / Ontime multiplied by DEADC EXPOSURE= 342.663909912109 / Total exposure, with all known correction DEADC = 1. / dead time correction TERMMODE= 66 / spectrum termination mode XRTMODE = 6 / XRT mode WAVEFORM= 60 / XRT waveform BIASLVL = 0. / Bias calculated on board [if = 0 not applied] P1UTCC = -32.02894 / [s] ccsds PacKeT #1 TIME=P1UTCCS+P1UTCCSS*2e-5 P1UTCCS = -33 / Packet #1 UTC Correction Seconds P1UTCCSS= 48553 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME= 716702498.94166 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC = 716702498 / ccsds PacKeT #1 SEConds PKT1SUBS= 47083 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds CHECKSUM= 'iGaVjFYViFaViFYV' / HDU checksum updated 2023-09-18T04:02:00 DATASUM = '3179859036' / data unit checksum updated 2023-09-18T04:02:00 P2UTCC = -32.02894 / [s] Packet #2 UTC Correction time P2UTCCS = -33 / Packet #2 UTC Correction Seconds P2UTCCSS= 48553 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME= 716702499.14164 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC = 716702499 / ccsds PacKeT #2 SEConds PKT2SUBS= 7082 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds P3UTCC = -32.02894 / [s] Packet #3 UTC Correction time P3UTCCS = -33 / Packet #3 UTC Correction Seconds P3UTCCSS= 48553 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME= 716702499.34172 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC = 716702499 / ccsds PacKeT #3 SEConds PKT3SUBS= 17086 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds END  "[ s  ) \h+VW !"T#$%&'()*+, -./012C345678/9$:h;.<\=0>?@AfBCDEFGHIJK LMNOfPxQR<S~T7U\VBWRXY>Z8[O\2]^_`^a~bXcpdefg?hi#jqk=lRm7noXpSqXr!stuv&wxyz{|}R~&s5cVQ%Ol ;{:Kk}&SB69  |gUaeF{tBP^UDd4;%I@&%nU    { n^~x}d{VZ~ d!."V#N$T%W&e'R(g)T*X+g,X-$.t/U0_1d2R3)405F627.8,94:";R<D=>0?@'AB$C.DEF?GHI JMKLMN(OPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~u|qhfn|gpT]sY_LNzcXjCUJJ]l8KNPG2?IA.9[.5^* W*W <K9%  *, !',(  K2-      !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstu{vwx|yz{|}q~~}|rxpvl}}_uq}|svlwhuiksxizymugyuwog{fj[hXW\]_a`fiknb[Pk^gj_cb`b^VS]nm^U[ghdmd_a[gOWefg]Ma[FQLWd_SMAjRNIEIOCI\FLMTaWXDMOGKZDX?M Y A C M =IN<K<NP>D?BK<G3>T9 O!D"B#M$G%@&?'<(=)B*=+2,B-E.7/E0>172A3@4B5K6B738@9>:0;@<3=8>J?=@9A8B.C/D5EIF;G3H7ICJ=K9L<M3N=O0P?Q>RAS<T7U6V2W;X/Y7Z>[8\=]3^B_C`/a5b0c:d2e1fEg3h6i?j0k*l)m;n)o5p*q,r5s+t)u7v*w#x2y<z;{2|-}(~502,('%,3=+8'//"8(*3&.*'/-,:,!3.%3-&/,-*"&,.&#()(&*1(/&'%2!%-$.2#!#-".+'+) #(#2+(!$"%#$!1D