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 = '00868846000' / Observation ID TARG_ID = '868846 ' / 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 = 562215607.80956 / Start time DATE-OBS= '2018-10-26T03:00:07.8' / Start Date TSTOP = 562215713.44444 / Stop time DATE-END= '2018-10-26T03:01:53.4' / 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 = '2018-10-26T03:04:08' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -21.81452 / UTCF at TSTART CHECKSUM= 'cEeUcDdRcDdRcDdR' / HDU checksum updated 2018-10-26T03:04:08 DATASUM = ' 0' / data unit checksum updated 2018-10-26T03:04:08 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 = '00868846000' / Observation ID TARG_ID = '868846 ' / 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 = '2018-10-26T03:04:08' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 562215607.80956 / Start time DATE-OBS= '2018-10-26T03:00:07.8' / Start Date TSTOP = 562215713.44444 / Stop time DATE-END= '2018-10-26T03:01:53.4' / Stop Date UTCFINIT= -21.81452 / 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 = 868846 / Trigger Number XRA_OBJ = 135.230407714844 / [deg] XRT RA location GRB or Object XDEC_OBJ= -40.3386878967285 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.634880065918 / 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= -21.81452 / [s] UTC Correction TIME UTCCSEC = -22 / UTC Correction Seconds UTCCSUBS= 9274 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 562215713.54166 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 562215713 / ccsds PacKeT SEConds PKTSUBS = 27083 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'lRaPlQWMlQaMlQUM' / HDU checksum updated 2018-10-26T03:04:08 DATASUM = '223238132' / data unit checksum updated 2018-10-26T03:04:08 END A][矩A]\vA]\j@ZA]\c @JA]]|:@`dA]^@J:A]^K@UA]_x@K*A]_@TA]`'4@IJA]`^@RdA]a8y@\aA]a@= A]bID@FA]bcs@VhA]c[@UǤA]c㨂@CA]dlK@JA]d@IJA]e}@q A]f3@G8A]f@R@A]gzN@[mA]g~@SA]h(@X[ A]hc5@UA]i:@FhA]i¨@`FA]jKL@IA]j@PܠA]k\@P(ĠA]k4Y@EA]lm׈@cA]lz@LI A]m?@D#A]n@HA]nb@KyA]o%@LaA]o@D#A]p*K@Nq A]p @P(ĠA]q;@O١@A]q4@_% A]rLI@LaA]rzx@Q|A]s^@RdA]s/@T#A]tob@WDA]t@N A]u@WkPA]v K@YA]v@T_A]wS@bLA]w4@T_A]x+ײ@[fA]xz@ZA]y=@Oa@A]yſ@] A]zNc @]F% A]zO@]F% A]{_~@[yA]{K^@X[ A]|p@XA]|@`FA]}4@T_A]~ s@cA]~y@^5 A]*@_% A]Y@_% A]-c@YA]@YA]>@pA]K@YA]O@XA]ؑ}@V{A]a4@RdA]4@_a@A]rzc@Oa@A]@P(ĠA]@SA] cI@RLA]@QA]@B@A]K@?١@A].@H[ A]@EA]@4n@PA]@UA]Qz%@G8A]T@ATA]b@BDXA]c@IJA]t@QpA]@VtA]K@9JA] @C4(A]@@dA]4/@K*A]^@RDXA]0z@a