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 = '00868427000' / Observation ID TARG_ID = '868427 ' / 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 = 561953262.41144 / Start time DATE-OBS= '2018-10-23T02:07:42.4' / Start Date TSTOP = 561953494.587 / Stop time DATE-END= '2018-10-23T02:11:34.6' / 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 = '2018-10-23T02:14:24' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -21.79822 / UTCF at TSTART CHECKSUM= 'kKjNkIhMkIhMkIhM' / HDU checksum updated 2018-10-23T02:14:24 DATASUM = ' 0' / data unit checksum updated 2018-10-23T02:14:24 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 = '00868427000' / Observation ID TARG_ID = '868427 ' / 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 = '2018-10-23T02:14:24' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 561953262.41144 / Start time DATE-OBS= '2018-10-23T02:07:42.4' / Start Date TSTOP = 561953494.587 / Stop time DATE-END= '2018-10-23T02:11:34.6' / Stop Date UTCFINIT= -21.79822 / 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 = 868427 / Trigger Number XRA_OBJ = 248.30451965332 / [deg] XRT RA location GRB or Object XDEC_OBJ= 19.5632877349854 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 232.175559997559 / TSTOP - TSTART ONTIME = 229.742462158203 / Time on target LIVETIME= 229.742462158203 / Ontime multiplied by DEADC EXPOSURE= 229.742462158203 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -21.79822 / [s] UTC Correction TIME UTCCSEC = -22 / UTC Correction Seconds UTCCSUBS= 10089 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 561953494.6454 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 561953494 / ccsds PacKeT SEConds PKTSUBS = 32270 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'fEaai9VWfCaaf9UW' / HDU checksum updated 2018-10-23T02:14:24 DATASUM = '2002316598' / data unit checksum updated 2018-10-23T02:14:24 END A\4A\k0A\T@TA\?#@@ܠA\țR@D#A\Q>@dA\ @3A\b@{A\&@:A\s@DA\m@3A\M@9JA\ @$A\V@ A\3? A][@/& A]K@3A]?:@0Z- A]*@/A]v@0G A] @+!@A]B@/A] d@-A] @@1`A] u@/A] F@1{@A]@7!`A]Ș @0Z- A] @1&a@A]Jw@1&a@A]f@1`A]V@1{@A] F@/A]N6@/A]%@0G A]@0G A]}@5 A]Q@7!`A]6@2XA]@1`A] H@-A]!U$@0Z- A]"@1`A]#ד@/A]%@1&a@A]&Yr@0G A]'b@2ɀA](R@2XA]*A@0Z- A]+]1@0G A],">@0Z- A]-s@/& A]/ P@1{@A]0`,@/& A]1a@1{@A]2>@0G A]4#@2XA]5d@1`A]6,@0Z- A]7@1`A]9'~@2XA]:hn@/& A];]@2ɀA]+=@1`A]?l-@0Z- A]@i@/A]A E@0G A]C.z@/& A]DoW@0Z- A]E3@1&a@A]Fh@1`A]H2E@1&a@A]Is"@+!@A]J@1`A]K3@/& A]M6z@0Z- A]Nwj@,UA]OY@-A]PI@/A]R:9@0G A]S{)_@0Z- A]T@.OA]Up@2XA]W=M@1&a@A]X~@3$A]Y^@1&a@A][;@4KA]\A@1`A]]L@2XA]^Ö@1{@A]`@3A]aEu@3A]be@3$A]cU@0G A]eD@4KA]fI4@3A]g$@5#fA]hf@4W1A]j @5#f