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 = '00796100000' / Observation ID TARG_ID = '796100 ' / 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 = 534523700.79382 / Start time DATE-OBS= '2017-12-09T14:48:20.8' / Start Date TSTOP = 534523806.42876 / Stop time DATE-END= '2017-12-09T14:50:06.4' / 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 = '2017-12-09T14:49:59' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -20.1289 / UTCF at TSTART CHECKSUM= 'cCbOeBbOcBbOcBbO' / HDU checksum updated 2017-12-09T14:49:59 DATASUM = ' 0' / data unit checksum updated 2017-12-09T14:49:59 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 = '00796100000' / Observation ID TARG_ID = '796100 ' / 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 = '2017-12-09T14:49:59' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 534523700.79382 / Start time DATE-OBS= '2017-12-09T14:48:20.8' / Start Date TSTOP = 534523806.42876 / Stop time DATE-END= '2017-12-09T14:50:06.4' / Stop Date UTCFINIT= -20.1289 / 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 = 796100 / Trigger Number XRA_OBJ = 139.399307250977 / [deg] XRT RA location GRB or Object XDEC_OBJ= -30.5293159484863 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.634939968586 / 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= -20.1289 / [s] UTC Correction TIME UTCCSEC = -21 / UTC Correction Seconds UTCCSUBS= 43555 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 534523806.54166 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 534523806 / ccsds PacKeT SEConds PKTSUBS = 27083 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9aAaGa5W9aAaEa3U' / HDU checksum updated 2017-12-09T14:49:59 DATASUM = '2897422475' / data unit checksum updated 2017-12-09T14:49:59 END A/47A/58A/5u@jvA/6⺝@h,A/7@kyA/9GZ@iA/:@g8A/;'@iA/<9@f{A/=J^5@rFA/>[@fA/?l@eA/@~0@bDXA/Av`@iA/Bo@gMVA/C@jA/DH,@jA/EԎ@g/\A/Fә@_@A/G@g8A/I_@gDA/Je@i,A/K*t@c.A/L<0@ajA/MMw2@d#A/N^@cR"A/Op@b@A/PH@ihA/Q @g8A/Rk@ajA/S@c A/Ta(@g>A/Uצ7@d_A/V@eOA/W1@dAA/Y x@cA/Zb@cpA/[.@`dA/\?H@fhA/]P@apA/^a=@eǤA/_s@^ A/`a@^q A/aX@bbRA/b@\aA/c2v@bFA/dx@arA/eڿ4@` ʠA/f@aA/gK@ZA/i@X,A/j@eǤA/k1m@\aA/lBb@X,A/mS@bFA/nd9@V?A/ov3H@^ A/py@\= A/q@b@A/rd@\= A/sKs@^q A/t̑@[mA/u0@T_A/v?@UǤA/xc@W/\A/y@] A/z" @[yA/{45i@QpA/|E{@T_A/}V@YA/~h@YA/yLD@YA/@X[ A/@W/\A/`@PܠA/do@W/\A/ϩ~@N A/@XA/6;@V?A/|@TA/@Q|A/&@SA/7M@M A/Hu@RDXA/Y@UOA/k 2@SA/|f@QTA/P@Oa@A/@[fA/7 @T#A/}k@RdA/@KyA/ (@LaA/M@N A/F@M 1 A/ڥ@S4(A/)!@LaA/:f@R@A/Kq@QTA/\@LI