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 = '01159434000' / Observation ID TARG_ID = '1159434 ' / 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 = 700255695.97324 / Start time DATE-OBS= '2023-03-11T19:28:16.0' / Start Date TSTOP = 700256795.455418 / Stop time DATE-END= '2023-03-11T19:46:35.5' / 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 = '2023-03-11T19:46:18' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -30.90574 / UTCF at TSTART CHECKSUM= 'fKaEfJXCfJaCfJWC' / HDU checksum updated 2023-03-11T19:46:18 DATASUM = ' 0' / data unit checksum updated 2023-03-11T19:46:18 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 = '01159434000' / Observation ID TARG_ID = '1159434 ' / 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 = '2023-03-11T19:46:18' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 700255695.97324 / Start time DATE-OBS= '2023-03-11T19:28:16.0' / Start Date TSTOP = 700256795.455418 / Stop time DATE-END= '2023-03-11T19:46:35.5' / Stop Date UTCFINIT= -30.90574 / 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 = 1159434 / 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= 63 / Actual PKT#1 CCSDS sequence number PCKT_SQ2= 64 / Predicted PKT#2 CCSDS sequence number PCKT_SQ3= 65 / Predicted PKT#3 CCSDS sequence number APID = 1249 / Application Process Identifier XRA_OBJ = 245.060623168945 / [deg] XRT RA location of GRB or Object XDEC_OBJ= -15.8950881958008 / [deg] XRT DEC location of GRB or Object TELAPSE = 1099.48217773438 / TSTOP - TSTART ONTIME = 1099.48217773438 / Time on target LIVETIME= 1099.48217773438 / Ontime multiplied by DEADC EXPOSURE= 1099.48217773438 / Total exposure, with all known correction DEADC = 1. / dead time correction TERMMODE= 65 / spectrum termination mode XRTMODE = 6 / XRT mode WAVEFORM= 60 / XRT waveform BIASLVL = 0. / Bias calculated on board [if = 0 not applied] P1UTCC = -30.90574 / [s] ccsds PacKeT #1 TIME=P1UTCCS+P1UTCCSS*2e-5 P1UTCCS = -31 / Packet #1 UTC Correction Seconds P1UTCCSS= 4713 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME= 700256795.66098 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC = 700256795 / ccsds PacKeT #1 SEConds PKT1SUBS= 33049 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds CHECKSUM= 'WGdaWGcYWGcaWGcY' / HDU checksum updated 2023-03-11T19:46:23 DATASUM = '3244151046' / data unit checksum updated 2023-03-11T19:46:23 P2UTCC = -30.90574 / [s] Packet #2 UTC Correction time P2UTCCS = -31 / Packet #2 UTC Correction Seconds P2UTCCSS= 4713 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME= 700256795.8599 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC = 700256795 / ccsds PacKeT #2 SEConds PKT2SUBS= 42995 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds P3UTCC = -30.90574 / [s] Packet #3 UTC Correction time P3UTCCS = -31 / Packet #3 UTC Correction Seconds P3UTCCSS= 4713 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME= 700256796.0609 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC = 700256796 / ccsds PacKeT #3 SEConds PKT3SUBS= 3045 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds END  On5jڴU+Lo-5?lMwl r?!h "b#_G$[%X?&U'Q(T_)P*O+N,L-L.L/K0I 1J2J 3K+4J:5I6J7It8LJ9J:J;K<KO=J>L?G@PAMBLCNDNEOFO[GMHS-IRHJQKRkLSMRNSOPPWQWPRVSW7TUiUXVVWU^XYYX{ZWW[Zk\Yl]Yt^Y_UB`_ZaYbYcZd[^eYfZgXch]BiZj[QkZl[MmZqnYo] pVVqYrX:sYtWvuXgvXwU`xYyWozVy{We|U }T~TPYcU8TS\RRReOSP\OONOpNKNM-KLLKJ]JLHJGGIzIGEYB%J6EDEDaBBb@-D9AfAA5@?=>H>O?>>==a;<'6?$c@)A'B&C'7D&}E'5F&G$xH'kI%J%K& L%8M%1N%O#P'@Q$R$S%AT%RU#V$}W#MX%?Y#Z#![$\#]#>^"_!#`%a#vb"{c"d#Me"f"g!h#i"}j!k"?l"m!n!o p"Qq r s!Rt!4u!v!ywAx!y!Rz a{ |}~"  J? 0=g?(6Zh(.jdsT!YFu[VB5.hCO*1Su21}#]\S<* zI.#%M  W    Q C!"s#$?%&'Z(4)Z*+,-./01l2345 6h78 9:;P<=>?@ZA8BCDEFGHIJ^KL^MN1O P4QtRSTUVWXYrZ[\e]^,_ `Sa*b cd e f1g hOi hj kl >m n xo mp q r s t Ou v w x y zz { | } `~    C   Q      { < Y   1       \    z     Q e 6  O j  0         E   m  /  H <   _ D            : &        e ] ,   ~  `  :  F  If  7  ] k 1 {rVaLf&!}4    0 ?E"{%Nq !"9#D$J%f&3'():*+f,H-./N0b12w3453678C9:;<=>?E@ABCDEFG1H"IzJKpLMNOPQkRAST1UZVWXYnZm[b\K]^._`ab6cd1e;fghGi jklmnopJqrstuvwx yz{|q}~FcW pFsp$Nj(F\l2Dm# Y"E[iFeN{F]g3k-bK\* YK/,e:EM