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 = '00586482000' / Observation ID TARG_ID = '586482 ' / 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 = 413919412.0091 / Start time DATE-OBS= '2014-02-12T17:36:52.0' / Start Date TSTOP = 413919517.6094 / Stop time DATE-END= '2014-02-12T17:38:37.6' / 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 = '2014-02-12T17:38:32' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -11.63674 / UTCF at TSTART CHECKSUM= 'nFhPnDgNnDgNnDgN' / HDU checksum updated 2014-02-12T17:38:32 DATASUM = ' 0' / data unit checksum updated 2014-02-12T17:38:32 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 = '00586482000' / Observation ID TARG_ID = '586482 ' / 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 = '2014-02-12T17:38:32' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 413919412.0091 / Start time DATE-OBS= '2014-02-12T17:36:52.0' / Start Date TSTOP = 413919517.6094 / Stop time DATE-END= '2014-02-12T17:38:37.6' / Stop Date UTCFINIT= -11.63674 / 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 = 586482 / Trigger Number XRA_OBJ = 266.104187011719 / [deg] XRT RA location GRB or Object XDEC_OBJ= -28.746524810791 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.600299954414 / 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= -11.63674 / [s] UTC Correction TIME UTCCSEC = -12 / UTC Correction Seconds UTCCSUBS= 18163 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 413919517.64484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 413919517 / ccsds PacKeT SEConds PKTSUBS = 32242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9AFoI3Cm9ACmG3Cm' / HDU checksum updated 2014-02-12T17:38:32 DATASUM = '1355074763' / data unit checksum updated 2014-02-12T17:38:32 END ATaApAJ@`AY@BDXA"@@G8A3@FhADu@G8AV4@D#AgW@@ܠAx@SA轉P@G8A辛)_@IJA迬o@QTA@F{A+@= AA@M 1 A@@ܠA@PdAU@M 1 A%Y@G8A6@;*AG@QTAY*0@PܠAjp@ATA{@M 1 A͌@DAΞB[@@ܠAϯ@?١@A@GkPA@J:AY6@EA@QpA@IJA+@c.A(qa@RdA9p@FhAJ@J:A\A@O١@Am<@BDXA~Κ@Q|Aݐ@EAޡ[W@EA߲f@RDXAu@= A+@R@Ar2@6{AA@RdA@N AC@KyA+]@FA<@B@AN{@VtA_Z@G8Ap8@EA@O١@A,@JAs@ApAﵸ@@dAr@G8AC@G8A@PܠA>@@ܠA @LI A[@JA.@PdA?@B@AQ-w@HAbs@HAs@Q|AC@BDXAE@YA@3A@D#A@RLA\}@F{A@@ܠA:@SpA.I@XA t@D#A1@IAC@ZvA TE$@::A e@PdA v@N A @@CA ]O@Oa@A^@QpA@QTA/@VtAuy@K*Aﺈ@VtA@B@AGE@Oa@A#@QTA4c@N AF@PdAW^ @BDXAh@C4(Ay@J:A/@H[