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 = '00815603000' / Observation ID TARG_ID = '815603 ' / 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 = 543114833.6199 / Start time DATE-OBS= '2018-03-19T01:13:53.6' / Start Date TSTOP = 543115962.988796 / Stop time DATE-END= '2018-03-19T01:32:43.0' / 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 = '2018-03-19T01:38:01' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -20.64606 / UTCF at TSTART CHECKSUM= 'nBeKqAcInAcInAcI' / HDU checksum updated 2018-03-19T01:38:01 DATASUM = ' 0' / data unit checksum updated 2018-03-19T01:38:01 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 = '00815603000' / Observation ID TARG_ID = '815603 ' / 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 = '2018-03-19T01:38:01' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 543114833.6199 / Start time DATE-OBS= '2018-03-19T01:13:53.6' / Start Date TSTOP = 543115962.988796 / Stop time DATE-END= '2018-03-19T01:32:43.0' / Stop Date UTCFINIT= -20.64606 / 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 = 815603 / 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= 93 / Actual PKT#1 CCSDS sequence number PCKT_SQ2= 94 / Predicted PKT#2 CCSDS sequence number PCKT_SQ3= 95 / Predicted PKT#3 CCSDS sequence number APID = 1249 / Application Process Identifier XRA_OBJ = 275.088256835938 / [deg] XRT RA location of GRB or Object XDEC_OBJ= 7.16792869567871 / [deg] XRT DEC location of GRB or Object TELAPSE = 1129.36889648438 / TSTOP - TSTART ONTIME = 1129.36889648438 / Time on target LIVETIME= 1129.36889648438 / Ontime multiplied by DEADC EXPOSURE= 1129.36889648438 / 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 = -20.64606 / [s] ccsds PacKeT #1 TIME=P1UTCCS+P1UTCCSS*2e-5 P1UTCCS = -21 / Packet #1 UTC Correction Seconds P1UTCCSS= 17697 / [2*10**(-5) s] Packet #1 UTC Correction SubSecoPKT1TIME= 543115963.04522 / [s] ccsds PacKeT #1 TIME=PKT1SEC+PKT1SUBS*2e-5 PKT1SEC = 543115963 / ccsds PacKeT #1 SEConds PKT1SUBS= 2261 / [2*10**(-5) s] ccsds PacKeT #1 SUBSeconds CHECKSUM= 'ZAnEg3lCZAlCf3lC' / HDU checksum updated 2018-03-19T01:38:07 DATASUM = '4183881444' / data unit checksum updated 2018-03-19T01:38:07 P2UTCC = -20.64606 / [s] Packet #2 UTC Correction time P2UTCCS = -21 / Packet #2 UTC Correction Seconds P2UTCCSS= 17697 / [2*10**(-5) s] Packet #2 UTC Correction SubSecoPKT2TIME= 543115963.1417 / [s] ccsds PacKeT #2 TIME=PKT2SEC+PKT2SUBS*2e-5 PKT2SEC = 543115963 / ccsds PacKeT #2 SEConds PKT2SUBS= 7085 / [2*10**(-5) s] ccsds PacKeT #2 SUBSeconds P3UTCC = -20.64606 / [s] Packet #3 UTC Correction time P3UTCCS = -21 / Packet #3 UTC Correction Seconds P3UTCCSS= 17697 / [2*10**(-5) s] Packet #3 UTC Correction SubSecoPKT3TIME= 543115963.26206 / [s] ccsds PacKeT #3 TIME=PKT3SEC+PKT3SUBS*2e-5 PKT3SEC = 543115963 / ccsds PacKeT #3 SEConds PKT3SUBS= 13103 / [2*10**(-5) s] ccsds PacKeT #3 SUBSeconds END  D#pSO,%;t B!F"#$%&W'k() *b+,-.3/01O2q34f5s6(789X:;<=J>#?@ABCD/E;FGHIOJKgL8MNONPJQ?RoSTUWVWOXYfZ`[\g][^_`abccdefQghijklmZnopq?rKstuRvPwx2ywz{#|}]~H 9 c  5 T  u C  F x g 4 4  M K   ZOGAb)P<|/fb4LB<@ I0CL;uavu}NK2&eS8     qWk !l"u#=$g%&7'<(?)/*?+ ,-./30 12"345 6789:;<=>?@ABCDEFGHIJKLtMqNOkP}QRSpT^U}VWXlYiZ[J\{]+^c_X`agbTcVdreHf1gh/ijk lDmnaopqrstuvwxyz{| }~t}p[}omq|TfhZCZXLYPG@C1JiE3%>;+&11DJ%,2-,         !"#$%&'()*+,-.r/}0123{45678t9:;w<{=>s?x@nABCkDsE_FlGHfIlJYKpLZM_NOmPcQnR~SaTqUYVhWiXpYjZb[k\h]Y^X_[`daib[cIdYeWfVgOhOiOjYkVlQman^oRpVqSr]s:tBuNv?wKxNy<zB{@|3}V~<HI7G9:G4@5@>>/DK:BB4850-5A;84;,872085+)@=5.>*&>>./026*(;+)0'/ %'/)')%  $0',+-!$%#!#(%% !"!(  #!       !" #$% &'()* +,-./0123 45 6 789:; <=>?@ABC DE F GHI JKL MN O P QR STUV W XYZ[ \]^_ `ab cd ef ghi jklm n opqr stu v wxyz{ | } ~                              %X 2