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 = '00502934000' / Observation ID TARG_ID = '502934 ' / 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 = 337484516.41144 / Start time DATE-OBS= '2011-09-12T01:41:56.4' / Start Date TSTOP = 337484622.04986 / Stop time DATE-END= '2011-09-12T01:43:42.0' / 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 = '2011-09-12T01:43:42' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -7.3558 / UTCF at TSTART CHECKSUM= 'kHgamEeUkEeZkEeZ' / HDU checksum updated 2011-09-12T01:43:42 DATASUM = ' 0' / data unit checksum updated 2011-09-12T01:43:42 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 = '00502934000' / Observation ID TARG_ID = '502934 ' / 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 = '2011-09-12T01:43:42' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 337484516.41144 / Start time DATE-OBS= '2011-09-12T01:41:56.4' / Start Date TSTOP = 337484622.04986 / Stop time DATE-END= '2011-09-12T01:43:42.0' / Stop Date UTCFINIT= -7.3558 / 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 = 502934 / Trigger Number XRA_OBJ = 195.304092407227 / [deg] XRT RA location GRB or Object XDEC_OBJ= -61.6010704040527 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.638419985771 / 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= -7.3558 / [s] UTC Correction TIME UTCCSEC = -8 / UTC Correction Seconds UTCCSUBS= 32210 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 337484622.1262 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 337484622 / ccsds PacKeT SEConds PKTSUBS = 6310 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '2bhC2aeA2aeA2aeA' / HDU checksum updated 2011-09-12T01:43:42 DATASUM = '3444362266' / data unit checksum updated 2011-09-12T01:43:42 END AiT"A`Apn@_١@A恳)@VhA8@`dA>@^5 A鵄@bFAS@`(ĠA@]F% AV@\= A@YA ~@d_A)@_a@A.n@`(ĠA?@X[ APY@X[ Ab@@QpAs@`A%@X[ A@`FAX@] 1 AA@TA@UǤA+@W/\Aq @[yA@`ܠAz@] A B@[fA1@arABF@^ AT@ZvAe[@[*Avb@W/\Aq@` ʠA,@_١@As.@YA =@UA @PA C@`A @PAh@VtA@YA#[@^5 A44@avAE@V{AW.@Z:AhuO@\VU Ay^@\I Am@_% AE@b@A*@WkPA҉@UA@UA]@SAU@IJA@VtA1@b@A &v!@\I A!70@\I A"I@VA#ZG@eǤA$kL@UǤA%|[@UA&@N A'`@YA(v@\aA)@YA*33@`ܠA+xB@_% A,Q@X,A.@YA/J@Z:A0)@WkPA1:|@SA2L@XA3]b9@[yA4n@] 1 A5@ZvA64@[*A7zc@VtA8r@XA9@YA:J@V{A;?@SA<ם@[fA> @UOA?dZ@] A@,i@^ AA=@W8ABO6&@b4AC`|@ZvADq@SpAE@W8AFM@SAG`@`(ĠAHپ@\aAI @YJAJe,@XAK꫊@W/\AL@X