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 = '00551126000' / Observation ID TARG_ID = '551126 ' / 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 = 385044509.41338 / Start time DATE-OBS= '2013-03-15T12:48:29.4' / Start Date TSTOP = 385044615.04444 / Stop time DATE-END= '2013-03-15T12:50:15.0' / 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 = '2013-03-15T12:50:12' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -10.32578 / UTCF at TSTART CHECKSUM= 'kIfZnGdWkGdWkGdW' / HDU checksum updated 2013-03-15T12:50:12 DATASUM = ' 0' / data unit checksum updated 2013-03-15T12:50:12 END XTENSION= 'BINTABLE' / binary table extension BITPIX = 8 / 8-bit bytes NAXIS = 2 / 2-dimensional binary table NAXIS1 = 18 / width of table in bytes NAXIS2 = 100 / number of rows in table PCOUNT = 0 / size of special data area GCOUNT = 1 / one data group (required keyword) TFIELDS = 3 / number of fields in each row TTYPE1 = 'TIME ' / label for field 1 TFORM1 = '1D ' / data format of field: 8-byte DOUBLE TUNIT1 = 's ' / physical unit of field TTYPE2 = 'RATE ' / label for field 2 TFORM2 = '1D ' / data format of field: 8-byte DOUBLE TUNIT2 = 'count/s ' / physical unit of field TTYPE3 = 'XRTMODE ' / label for field 3 TFORM3 = '1I ' / data format of field: 2-byte INTEGER EXTNAME = 'RATE ' / name of this binary table extension MESGNAME= 'XRT_LIGHTCURVE' / Name of the message COMMENT XRTMODE values COMMENT 1=null 2=Short Image 3=Long Image 4=Pile-Up Photodiode COMMENT 5=Low Rate Photodiode 6=Windowed Timing 7= Photon-Counting COMMENT 8=RAW data 9=Bias map 10=Stop TELESCOP= 'SWIFT ' / Telescope (mission) name INSTRUME= 'XRT ' / Instrument name OBS_ID = '00551126000' / Observation ID TARG_ID = '551126 ' / 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 = '2013-03-15T12:50:12' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 385044509.41338 / Start time DATE-OBS= '2013-03-15T12:48:29.4' / Start Date TSTOP = 385044615.04444 / Stop time DATE-END= '2013-03-15T12:50:15.0' / Stop Date UTCFINIT= -10.32578 / UTCF at TSTART TIMEPIXR= 0. / Bin time beginning=0.0 middle=0.5 end=1. HDUCLASS= 'OGIP ' / Format conforms to OGIP standards HDUCLAS1= 'LIGHTCURVE' / Time ordered data HDUCLAS2= 'TOTAL ' / Source + background HDUCLAS3= 'RATE ' / Data provided as rate NUMBINS = 100 / Number of valid bins in the lightcurve TRIGGER = 551126 / Trigger Number XRA_OBJ = 157.564071655273 / [deg] XRT RA location GRB or Object XDEC_OBJ= -51.7782821655273 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.63105994463 / TSTOP - TSTART ONTIME = 107.359703063965 / Time on target LIVETIME= 107.359703063965 / Ontime multiplied by DEADC EXPOSURE= 107.359703063965 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -10.32578 / [s] UTC Correction TIME UTCCSEC = -11 / UTC Correction Seconds UTCCSUBS= 33711 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 385044615.12496 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 385044615 / ccsds PacKeT SEConds PKTSUBS = 6248 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'LBSAM9Q9LAQAL7Q9' / HDU checksum updated 2013-03-15T12:50:12 DATASUM = '1584061078' / data unit checksum updated 2013-03-15T12:50:12 END APiFAPׁAPo@n APMU@gbAP @dAP!@iAP" q@arAP#e@d_AP$֪@hAP%@d_AP&7L@cAP( }@aAP) @bFAP*- @\aAP+>Ov@m AP,O@ftAP-`@eAP.r!B@a6AP/g@j:AP0@jУAP1^@d}AP29m@hAP3@iAP4*@b@AP5 @h=&AP6Q@d}AP8 @d#AP9@`AP:0#d@cAP;Ai@emAPu<@fAP?@c AP@@bDXAPA Z@eAPBS@c4(APC˚@dAPDv@fhAPE&@e1APFm3@[mAPHB@arAPI!Q@`APJ3=@`FAPKD@` ʠAPLUm@`dAPMg@] APNxU@avAPO9@^ APP@avAPQ'@\I APRn@`APSδc@b:APT@_@APU?@dAPW/@_@APX̎@^5 APY%@u|APZ6YK@] 1 AP[G @_% AP\Xi@TAP]j)@[fAP^{p&@[*AP_@YAP`@UǤAPaCB@T_APbQ@[mAPc`@P(ĠAPd@Q|APeZ@UAPg{@SAPh@RDXAPi(+@R4APj9rG@SAPkJ@T#APl[@RdAPmmD@SAPn~r@UOAPo@RLAPp@UAPq\>@LI APrâ@VhAPs@R4APt/Z@T_APuti@Q|APwx@UAPx@LaAPy+F5@T#APz<@R4AP{M@M 1 AP|_P@TAP}p^_@UAP~n@SAP@RDXAP0+@`dAPv@QTAPƼ@M APG@PdAPHV@G8AP@X,