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 = '00945521000' / Observation ID TARG_ID = '945521 ' / 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 = 598653666.39402 / Start time DATE-OBS= '2019-12-21T20:41:06.4' / Start Date TSTOP = 598653771.99182 / Stop time DATE-END= '2019-12-21T20:42:52.0' / 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 = '2019-12-21T20:42:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -24.1281 / UTCF at TSTART CHECKSUM= 'iIgLkGgLiGgLiGgL' / HDU checksum updated 2019-12-21T20:42:34 DATASUM = ' 0' / data unit checksum updated 2019-12-21T20:42:34 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 = '00945521000' / Observation ID TARG_ID = '945521 ' / 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 = '2019-12-21T20:42:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 598653666.39402 / Start time DATE-OBS= '2019-12-21T20:41:06.4' / Start Date TSTOP = 598653771.99182 / Stop time DATE-END= '2019-12-21T20:42:52.0' / Stop Date UTCFINIT= -24.1281 / 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 = 945521 / Trigger Number XRA_OBJ = 154.847946166992 / [deg] XRT RA location GRB or Object XDEC_OBJ= -38.1564636230469 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.597800016403 / 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= -24.1281 / [s] UTC Correction TIME UTCCSEC = -25 / UTC Correction Seconds UTCCSUBS= 43595 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 598653772.04482 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 598653772 / ccsds PacKeT SEConds PKTSUBS = 2241 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'PKfOPIfOPIfOPIfO' / HDU checksum updated 2019-12-21T20:42:34 DATASUM = '692862556' / data unit checksum updated 2019-12-21T20:42:34 END A]q2o?A]qiF_A]q]@sA]r9b@r4A]r@pǠA]sJ@o@A]sL@ksA]t[@h[ A]ty@kfA]um5@pA]u@hA]v~|@i,A]w@eA]w@hA]xd@arA]x@jУA]y)K@eA]yM@b&^A]z:@eA]zÔ1@bLA]{L7a@d#A]{ڐ@eA]|]}@dA]| G@bDXA]}nv@aA]}f@cA]~ |@cpA]@m 1 A]P3@c.A]b@f{A]@c.A]+9@cR"A]H@bbRA]<x@fA]"@avA]M@d#A]i@eA]_ @bDXA]箼@`A]pQ@`FA]@cA]J@`A] :@avA]ީ@VtA]@\= A]%@`A],6@b&^A]j@bbRA]> @a6A]Ʊ@aTA]OTL@bLA]{@`A]`@arA]=2@] 1 A]qa@` ʠA]@[yA]&@`FA] @_١@A]lv@^q A]@[mA]@] A].V@_@A]@X,A]?c@dA]?@YA]P@ZvA]م@_١@A]b) @YA]˧@]F% A]sn@ZvA]@V{A]5@\VU A] Xd@W8A]@VhA]@UǤA]AJ@YJA]/z@\I A]@VtA]A*0@YJA]`@X[ A]Rp@S4(A]f@ZA]c@R4A]Z@YA]tL@UA]{@YA]C@] 1 A]@T#A]a@W/\A] ,@apA]@[fA]1r@arA]@] 1 A]B@bDXA][@XA]S@V?A]ܢ4@\I A]eEc@YA]@UA]v@[f