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 = '01016881000' / Observation ID TARG_ID = '1016881 ' / 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 = 632108327.19424 / Start time DATE-OBS= '2021-01-12T01:38:47.2' / Start Date TSTOP = 632108432.82104 / Stop time DATE-END= '2021-01-12T01:40:32.8' / 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 = '2021-01-12T01:42:07' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -26.31458 / UTCF at TSTART CHECKSUM= 'kKeWmIeWkIeWkIeW' / HDU checksum updated 2021-01-12T01:42:07 DATASUM = ' 0' / data unit checksum updated 2021-01-12T01:42:07 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 = '01016881000' / Observation ID TARG_ID = '1016881 ' / 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 = '2021-01-12T01:42:07' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 632108327.19424 / Start time DATE-OBS= '2021-01-12T01:38:47.2' / Start Date TSTOP = 632108432.82104 / Stop time DATE-END= '2021-01-12T01:40:32.8' / Stop Date UTCFINIT= -26.31458 / 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 = 1016881 / Trigger Number XRA_OBJ = 218.987396240234 / [deg] XRT RA location GRB or Object XDEC_OBJ= 33.0709915161133 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.626800060272 / 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= -26.31458 / [s] UTC Correction TIME UTCCSEC = -27 / UTC Correction Seconds UTCCSUBS= 34271 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 632108432.84496 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 632108432 / ccsds PacKeT SEConds PKTSUBS = 42248 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '7mBbBkBZ9kBbAkBZ' / HDU checksum updated 2021-01-12T01:42:07 DATASUM = '2863218129' / data unit checksum updated 2021-01-12T01:42:07 END A֚A֚ϳA֚@*A֚@{A֚,:@NA֚܇@_A֚=@ʤ@A֚">@4 A֚Nm@ A֚h@{vA֚` $@yA֚S@zvA֚qQ@w8A֚ @z A֚@tA֚ 9@v0A֚@rDXA֚x@{|A֚"@x A֚-@}s A֚h^@}(+ A֚? @|I A֚Ǯ@A֚PQD@ A֚s@?@ A֚a@I A֚:*@jA֚rܱ@щ@A֚9@@A֚"h@e@A֚ ŗ@ A֚h@ A֚ N@cA֚}@  A֚/Q@% A֚4@{gA֚@@{|A֚9@{gA֚Q@yA֚ڀI@y;A֚c"@s1A֚@vzA֚th@u^A֚ @vtA֚>@uA֚Qn@v?A֚@uA֚$@v!A֚:T@zA֚0@u^A֚ @vnA֚B"@yA֚@uA֚Sh@sA֚ x@wAA֚d@rbRA֚Q@s%+A֚u^@m A֚@rdA֚:@pA֚D@qjA֚s@m A֚!"@m A֚*@gkPA֚2h@hA֚ @g>A֚Ch@g8A֚Q@iA֚T@gbA֚ݗN@k A֚f:~@dA֚@d#A֚w4@b@A֚"@f{A֚@f]A֚i@ajA֚ J@`A֚"@fzA֚QY@cpA֚3@bDXA֚@`A֚E:?@ajA֚n@` ʠA֚V@apA֚#%@_% A֚gT@^5 A֚h@] A֚y @eOA֚@`(ĠA֚ŠQ@_١@A֚@\I A֚Û @X[ A֚$:@ZA֚Ĭ/@`A֚5^@_١@A֚ž"@`FA֚F@YJA֚iD@WDA֚X t@] A֚@a