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 = '00707517000' / Observation ID TARG_ID = '707517 ' / 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 = 492153814.39308 / Start time DATE-OBS= '2016-08-06T05:23:34.4' / Start Date TSTOP = 492154064.26928 / Stop time DATE-END= '2016-08-06T05:27:44.3' / 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 = '2016-08-06T05:28:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -16.66852 / UTCF at TSTART CHECKSUM= 'aDeNbDZKaDdKaDZK' / HDU checksum updated 2016-08-06T05:28:48 DATASUM = ' 0' / data unit checksum updated 2016-08-06T05:28:48 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 = '00707517000' / Observation ID TARG_ID = '707517 ' / 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 = '2016-08-06T05:28:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 492153814.39308 / Start time DATE-OBS= '2016-08-06T05:23:34.4' / Start Date TSTOP = 492154064.26928 / Stop time DATE-END= '2016-08-06T05:27:44.3' / Stop Date UTCFINIT= -16.66852 / 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 = 707517 / Trigger Number XRA_OBJ = 98.2162704467773 / [deg] XRT RA location GRB or Object XDEC_OBJ= -22.7731990814209 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 249.876200020313 / TSTOP - TSTART ONTIME = 246.715057373047 / Time on target LIVETIME= 246.715057373047 / Ontime multiplied by DEADC EXPOSURE= 246.715057373047 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -16.66852 / [s] UTC Correction TIME UTCCSEC = -17 / UTC Correction Seconds UTCCSUBS= 16574 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 492154064.32486 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 492154064 / ccsds PacKeT SEConds PKTSUBS = 16243 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'OebmPZZjOdajOZYj' / HDU checksum updated 2016-08-06T05:28:48 DATASUM = '3610093419' / data unit checksum updated 2016-08-06T05:28:48 END AUdAU?@QTAU/AUv@ G AUߔ/@(PAU@(PAU䘜@'!`AU{ @'AUZ@$KAU9.@#AU@'AU!Q@(PAU @#AU%t@'AU-@$KAU)t@'!`AUT@&U@AU-3 @'!`AU@#AU0,@&U@AU@'AU 4O@(PAU @*RAU8mr@'!`AUM+@&U@AU<,@#$AU @'!`AU?@'!`AU@)AUC*@% AU ň@)AU#GgM@'!`AU%G@!{@AU(K%p@"XAU*)@(PAU-N@% AU/Ĝ@#AU2R@&U@AU4Ԃ@"XAU7Va(@"XAU9@@$KAU@% AUA]n@% AUC߽'@'AUFa@#$AUH|@'AUKe[@)AUM:@)AUPi&@&U@AUR@$KAUUlI@*RAUW@$KAUZpl@)AU\u%@(PAU_tT@,UAUa4@&U@AUdx@$KAUf@% AUi{$@!{@AUk@% AUnG@$KAUqm@$KAUsMj@(PAUv+@'!`AUx @#AU{F@"XAU}@% AU i@"XAU"@#$AUg@!{@AUGE@"XAU%@'!`AUh@% AU@'AU@OAUD@'AU@"XAUag@% AUA @% AU#@(PAUC@% AU&ݭ@$KAUf@&U@AU*@)AU{@&U@AU.[B@% AU:@!{@AU2e@'!`AU@& AU5׈@&U@AUA@&U@AU9@$KAUud@'!`AU=U@$KAUÿ3@'AUA@'AU@% AUDҳ@$KAUƱ@$K