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 = '01064361000' / Observation ID TARG_ID = '1064361 ' / 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 = 650051614.12418 / Start time DATE-OBS= '2021-08-07T17:53:34.1' / Start Date TSTOP = 650052737.08878 / Stop time DATE-END= '2021-08-07T18:12:17.1' / 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 = '2021-08-07T18:13:40' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -27.50782 / UTCF at TSTART CHECKSUM= 'bHdXdFZVbFdVbFZV' / HDU checksum updated 2021-08-07T18:13:40 DATASUM = ' 0' / data unit checksum updated 2021-08-07T18:13:40 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 = '01064361000' / Observation ID TARG_ID = '1064361 ' / 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 = '2021-08-07T18:13:40' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 650051614.12418 / Start time DATE-OBS= '2021-08-07T17:53:34.1' / Start Date TSTOP = 650052737.08878 / Stop time DATE-END= '2021-08-07T18:12:17.1' / Stop Date UTCFINIT= -27.50782 / 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 = 1064361 / 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= 219 / Actual PKT#1 CCSDS sequence number PCKT_SQ2= 220 / Predicted PKT#2 CCSDS sequence number PCKT_SQ3= 221 / Predicted PKT#3 CCSDS sequence number APID = 1249 / Application Process Identifier XRA_OBJ = 83.7111892700195 / [deg] XRT RA location of GRB or Object XDEC_OBJ= 22.2118358612061 / [deg] XRT DEC location of GRB or Object TELAPSE = 1122.96459960938 / TSTOP - TSTART ONTIME = 1122.96459960938 / Time on target LIVETIME= 1122.96459960938 / Ontime multiplied by DEADC EXPOSURE= 1122.96459960938 / 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 = -27.50782 / [s] ccsds PacKeT #1 TIME=P1UTCCS+P1UTCCSS*2e-5 P1UTCCS = -28 / Packet #1 UTC Correction Seconds P1UTCCSS= 24609 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME= 650052737.261 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC = 650052737 / ccsds PacKeT #1 SEConds PKT1SUBS= 13050 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds CHECKSUM= 'JOAaJO8XJOAaJO7U' / HDU checksum updated 2021-08-07T18:13:46 DATASUM = '4008584868' / data unit checksum updated 2021-08-07T18:13:46 P2UTCC = -27.50782 / [s] Packet #2 UTC Correction time P2UTCCS = -28 / Packet #2 UTC Correction Seconds P2UTCCSS= 24609 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME= 650052737.46022 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC = 650052737 / ccsds PacKeT #2 SEConds PKT2SUBS= 23011 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds P3UTCC = -27.50782 / [s] Packet #3 UTC Correction time P3UTCCS = -28 / Packet #3 UTC Correction Seconds P3UTCCSS= 24609 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME= 650052737.65654 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC = 650052737 / ccsds PacKeT #3 SEConds PKT3SUBS= 32827 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds END  GC5( L ^u% !"Q# $e%8&'()*+_,-./012345N6:78]9R:;<z=H>9?f@ABCDEFGHqIiJxKfLMNOPeQRSTUVpWXYZ-[K\]^_a`aqbc-duefgPhijkClm6nRo4pqirqs)t6uvwxyzw{|};~^B@s  Q M   F _ J j d )   + < &5,ZU}F.2qoo/3J"$pPqa236f %3mi);9o`iT:"2     nEvbijA !">#($-%& '()f*+,-./0123456789:;<=>?@KABCDEFGGgHXIJ"KLLRMWNDOGPQ?R1SET U*VW5X.Y.Z[\].^_`abcdefghijklmnopqrstuvwxyz{o|}m~[o\^x{Mm^4elq\^6h*R3/>[-D%2P$2O"  vs{~wwsrk}poettnoY q k h Z mgaeeq]b]TdM`Ukl\S[ ?!T"V#F$a%T&='Z(T)Q*J+J,V-H.W/I0b1J2P3J4C5;6>7A8G9E:.;C<N=9>F?5@;ALB=C@D6E1F7G>H-I8J.K%L1M7N6O;P6Q8R3S9T&U9V%W*X+Y6Z+[*\&]&^)_8`a8b+c4d(e,f"g)h$i/j#k*l(m!n%o%pq!r1s*t$u$v&w$xy-z6{,|}!~% "#$## !                                                              !" # $ % &' ()*+, -./01 2345 6789:;<=>?@ ABCDEFGHIJKLMNOPQ RSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{ |}~  # 2] 9B