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 = '00639278000' / Observation ID TARG_ID = '639278 ' / 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 = 451883649.81012 / Start time DATE-OBS= '2015-04-28T03:14:09.8' / Start Date TSTOP = 451883755.44478 / Stop time DATE-END= '2015-04-28T03:15:55.4' / 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 = '2015-04-28T03:15:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -13.50548 / UTCF at TSTART CHECKSUM= 'ZEbPeEZNZEbNdEZN' / HDU checksum updated 2015-04-28T03:15:48 DATASUM = ' 0' / data unit checksum updated 2015-04-28T03:15:48 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 = '00639278000' / Observation ID TARG_ID = '639278 ' / 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 = '2015-04-28T03:15:48' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 451883649.81012 / Start time DATE-OBS= '2015-04-28T03:14:09.8' / Start Date TSTOP = 451883755.44478 / Stop time DATE-END= '2015-04-28T03:15:55.4' / Stop Date UTCFINIT= -13.50548 / 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 = 639278 / Trigger Number XRA_OBJ = 292.631317138672 / [deg] XRT RA location GRB or Object XDEC_OBJ= 4.13131952285767 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.634660005569 / 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= -13.50548 / [s] UTC Correction TIME UTCCSEC = -14 / UTC Correction Seconds UTCCSUBS= 24726 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 451883755.52478 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 451883755 / ccsds PacKeT SEConds PKTSUBS = 26239 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'XOEEaNEBRNEBXNEB' / HDU checksum updated 2015-04-28T03:15:48 DATASUM = '829191712' / data unit checksum updated 2015-04-28T03:15:48 END A2dA2=EA2՝@rdA2;@gMVA2*@kgA2 nY@fzA2@gbA2+@f?A2=@%@bFA2N@fA2_@c.A2q@d#A2W@cpA2^@dAA2@a6A2(@dA2m@eOA2ش9@c A2@aA2?@aA2 @eA2d@cA2/#@_% A2@V@aTA2Q@YJA2b?@avA2t(N@bLA2m]@_a@A2@bbRA2@\aA2?)@XA2ʅ@XA2@b@A2@`ܠA2V@b:A2c@ajA2 r@VhA22'@^5 A2Cl@\= A2T>@ajA2eM@]F% A2w>@R@A2 @ZA2h@bdA2(@^q A2U@\= A2͛@UǤA2@`(ĠA2'R@SA2la@] 1 A2p@Z:A2#@XA25>-@SpA2F@V{A2WK@WDA2i@SpA2zU@O١@A2g@LI A2v@PdA2&@VA2k@M 1 A2вB@RdA2Q@O١@A2=@M A2@^ A2@Nq A2',@Nq A28T@H[ A2I@CA2Z@IJA2l&W@IJA2}kf@C4(A2͎u@UA2Ο@EA2ϱ=2@Q|A2ƒ@KyA2P@ATA2 @CA2T @M A2@Nq A2z@F{A2*%@> A2;i@K*A2L@BDXA2]U@ApA2o<@EA2܀@@ܠA2ݑ@FA2ޣ 0@K*A2ߴS@B@A2Ř@EA2@CA2%[@8[ A2jj@D#A2 y@HA2@?١@A2-:@;*A2>E@= 1 A2OT@J:A2a @-