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 = '00702630000' / Observation ID TARG_ID = '702630 ' / 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 = 489195604.60934 / Start time DATE-OBS= '2016-07-02T23:40:04.6' / Start Date TSTOP = 489195710.2276 / Stop time DATE-END= '2016-07-02T23:41:50.2' / 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 = '2016-07-02T23:41:43' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -16.50312 / UTCF at TSTART CHECKSUM= 'lKdToHaTlHaTlHaT' / HDU checksum updated 2016-07-02T23:41:43 DATASUM = ' 0' / data unit checksum updated 2016-07-02T23:41:43 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 = '00702630000' / Observation ID TARG_ID = '702630 ' / 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 = '2016-07-02T23:41:43' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 489195604.60934 / Start time DATE-OBS= '2016-07-02T23:40:04.6' / Start Date TSTOP = 489195710.2276 / Stop time DATE-END= '2016-07-02T23:41:50.2' / Stop Date UTCFINIT= -16.50312 / 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 = 702630 / Trigger Number XRA_OBJ = 299.656921386719 / [deg] XRT RA location GRB or Object XDEC_OBJ= 35.235034942627 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.618259966373 / 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= -16.50312 / [s] UTC Correction TIME UTCCSEC = -17 / UTC Correction Seconds UTCCSUBS= 24844 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 489195710.24488 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 489195710 / ccsds PacKeT SEConds PKTSUBS = 12244 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'XZAEYW3BXWABXW3B' / HDU checksum updated 2016-07-02T23:41:43 DATASUM = '46708310' / data unit checksum updated 2016-07-02T23:41:43 END A(TA(U A(U@md A(V?S@dA(W@eOA(X@_@A(Y@`dA(ZV.@dA(\@iA(]@m A(^('@c4(A(_9nY@aTA(`Jh@avA(a[@jA(bm>@UA(c~4@_@A(d˒@[fA(e@_@A(fW@aTA(gÜ@dA(hm@iA(i(@k*A(jo*@pA(l9@k*A(m@g>A(n+@@qA(o<@fA(pM@qA(q_s@f{A(rpW@bbRA(s0@b4A(t?@cpA(u)@`(ĠA(vo@^ A(wƵ @gbA(xj@n A(y@y@iA(z@qA(| 6@jA(}E@hA(~.X@qgA(?@dAA(P@hA(b*o@p(ĠA(so~@cA(@[mA(;@fnA(B@hA(Y@kgA(̸@kgA(@dA(Yu@ZA(@g8A(@ftA( +A@b&^A(1pP@ltO A(B_@lC A(S@`ܠA(eB@dAA(v{@aA(@m A(@qyA(ZG@cR"A(V@c4(A(@dA(*@pA(q"@j:A(@i,A(@b@A(#B@kmA(4@iA(E[@kmA(W@lI A(hY@r&^A(y'@bFA(@cpA(,@cA(q@cA(@iA(a@g>A(C@eA(@bDXA(-@ajA(@bLA(&Z@g8A(7@c4(A(H@lI A(Z,g@`(ĠA(kr@`(ĠA(|$@gkPA(3@bDXA(D@ajA(@j:A(@f?A(]@d#A([l@emA(@h,A()@jA(-8@eǤA()rG@km