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 = '00745022000' / Observation ID TARG_ID = '745022 ' / 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 = 512766198.80962 / Start time DATE-OBS= '2017-04-01T19:03:18.8' / Start Date TSTOP = 512766304.45194 / Stop time DATE-END= '2017-04-01T19:05:04.5' / 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 = '2017-04-01T19:05:05' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -18.84398 / UTCF at TSTART CHECKSUM= 'ZMfPeKfMZKfMbKfM' / HDU checksum updated 2017-04-01T19:05:05 DATASUM = ' 0' / data unit checksum updated 2017-04-01T19:05:05 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 = '00745022000' / Observation ID TARG_ID = '745022 ' / 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 = '2017-04-01T19:05:05' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 512766198.80962 / Start time DATE-OBS= '2017-04-01T19:03:18.8' / Start Date TSTOP = 512766304.45194 / Stop time DATE-END= '2017-04-01T19:05:04.5' / Stop Date UTCFINIT= -18.84398 / 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 = 745022 / Trigger Number XRA_OBJ = 271.588623046875 / [deg] XRT RA location GRB or Object XDEC_OBJ= -22.24485206604 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.642319977283 / 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= -18.84398 / [s] UTC Correction TIME UTCCSEC = -19 / UTC Correction Seconds UTCCSUBS= 7801 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 512766304.54064 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 512766304 / ccsds PacKeT SEConds PKTSUBS = 27032 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'EpaVHmaUEmaUEmaU' / HDU checksum updated 2017-04-01T19:05:05 DATASUM = '3109173363' / data unit checksum updated 2017-04-01T19:05:05 END A0CBA0<A0e@dAA0 @b:A0k@^ A0 6z@cA0|@YA0-@bbRA0?F@emA0PN@a6A1a@cA1r@X,A1 q@\aA1e@ZA1@YA1=@X[ A18@\= A1}@_١@A1¹@ZA1 @VtA1 Ov@[fA1 @] A1 03@`A1B@] 1 A1SfQ@ZA1d@ZvA1u@YA19m@[mA1~|@WkPA1@ZA1 @W/\A1PH@\= A1ݖ@LaA1۶@XA1"@dA1hs@YA1"@XA13@X,A1E8@X,A1VN@^5 A1 gŬ@YA1!y @TA1"Q@SA1#)@R@A1$܇@avA1%"@YA1&iD@VtA1'௣@QA1(b@UǤA1*9@UA1+@YA1,%~@T_A1-7 @ajA1.HQ@SA1/Y@RdA10jY@WkPA11|#@Nq A12j@RDXA13%@YJA14@QpA15:@SA16Ҁ@VhA17P@FA18 _@YA1:R@QpA1;@Nq A1<(+@X[ A1=:#:@M A1>Ki@Nq A1?\@] 1 A1@mU@T#A1A<@WkPA1Bs@V{A1C@RdA1D 0@M A1ES@HA1Fՙ@SA1GL@LI A1H$ @VtA1J jj@LI A1K@V{A1L+'@O١@A1M=<6@P(ĠA1NN@PdA1O_Ǥ@SpA1Pq@PdA1QTa@Q|A1Rp@R4A1S@VA1T&-@PܠA1Uk<@UA1Vر@R@A1W@PA1X=@SA1Z f@R4A1[@M 1 A1\/ @UA1]@S@^5 A1^QA@ATA1_b@Pܠ