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 = '00631946000' / Observation ID TARG_ID = '631946 ' / 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 = 446173144.3945 / Start time DATE-OBS= '2015-02-21T00:59:04.4' / Start Date TSTOP = 446173249.98954 / Stop time DATE-END= '2015-02-21T01:00:50.0' / 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 = '2015-02-21T01:00:44' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -13.21392 / UTCF at TSTART CHECKSUM= 'mJlSmGlRmGlRmGlR' / HDU checksum updated 2015-02-21T01:00:44 DATASUM = ' 0' / data unit checksum updated 2015-02-21T01:00:44 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 = '00631946000' / Observation ID TARG_ID = '631946 ' / 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 = '2015-02-21T01:00:44' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 446173144.3945 / Start time DATE-OBS= '2015-02-21T00:59:04.4' / Start Date TSTOP = 446173249.98954 / Stop time DATE-END= '2015-02-21T01:00:50.0' / Stop Date UTCFINIT= -13.21392 / 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 = 631946 / Trigger Number XRA_OBJ = 267.261291503906 / [deg] XRT RA location GRB or Object XDEC_OBJ= -20.3613891601562 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.595039963722 / 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= -13.21392 / [s] UTC Correction TIME UTCCSEC = -14 / UTC Correction Seconds UTCCSUBS= 39304 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 446173250.0481 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 446173250 / ccsds PacKeT SEConds PKTSUBS = 2405 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'O2d1P2d0O2d0O2d0' / HDU checksum updated 2015-02-21T01:00:44 DATASUM = '2523259030' / data unit checksum updated 2015-02-21T01:00:44 END AdAҬ2A`@cR"ArE@2@AۃT@1pAܔ@J:Aݦr@7kPA޷\@3Aȣ/@;*A@6{A/@7kPAt@UA Z@RDXA@8[ A0F@M AA&@;*AR5@&{Ad@RdAu^@D#A놥Q@= 1 A@VhA0@D#Au@@dA˼,@5A@KyAH@@ܠAG@DAV@G8A"@JA3a@3ADr@;*AU@H[ Ag1@1pAxw@1pAM@?١@A@S4(AK @G8A@> Aw@IA@8[ Aa@ApAD@8[ AR@G8A%3@2@A6z@= 1 AGn@,aAY@GkPA jM+@RDXA {@3A I@EA @ATA d@8[ Ae@BDXAt@/١@A5@H[ A|1@6{A@@WkPA@7kPA(L@> A9 @1pAJj@HA\@3Amf'@RdA~6@B@AE@P(ĠA6@::A}@IAa@3A @IJA N@::A!-@QTA#ی@Oa@A$!@= A%+e@M 1 A&<@DA'Mg@B@A(_8@3A)p$@::A*ł@LI A+ @3A,P@N A-@P(ĠA.]@0ܠA/"@HA0i@F{A1)@Nq A3 @*:A4:@= 1 A5.E@R4A6?@P(ĠA7Q c@EA8bQ@7kPA9s @J:A:@GkPA;$@`dA@M A?;@,aA@@@d