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 = '00775946000' / Observation ID TARG_ID = '775946 ' / 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 = 528691433.9938 / Start time DATE-OBS= '2017-10-03T02:43:54.0' / Start Date TSTOP = 528691539.54428 / Stop time DATE-END= '2017-10-03T02:45:39.5' / 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 = '2017-10-03T02:49:00' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -19.78028 / UTCF at TSTART CHECKSUM= 'hKcJiHcJhHcJhHcJ' / HDU checksum updated 2017-10-03T02:49:00 DATASUM = ' 0' / data unit checksum updated 2017-10-03T02:49:00 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 = '00775946000' / Observation ID TARG_ID = '775946 ' / 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 = '2017-10-03T02:49:00' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 528691433.9938 / Start time DATE-OBS= '2017-10-03T02:43:54.0' / Start Date TSTOP = 528691539.54428 / Stop time DATE-END= '2017-10-03T02:45:39.5' / Stop Date UTCFINIT= -19.78028 / 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 = 775946 / Trigger Number XRA_OBJ = 40.888786315918 / [deg] XRT RA location GRB or Object XDEC_OBJ= 61.3914909362793 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.550480008125 / 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= -19.78028 / [s] UTC Correction TIME UTCCSEC = -20 / UTC Correction Seconds UTCCSUBS= 10986 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 528691539.64518 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 528691539 / ccsds PacKeT SEConds PKTSUBS = 32259 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9DlnADkk4Dkk9Dkk' / HDU checksum updated 2017-10-03T02:49:00 DATASUM = '1608567214' / data unit checksum updated 2017-10-03T02:49:00 END A0iA0lA0 @`ܠA0N@4A0@?١@A0"@<aA04 q@*:A0Ef@8[ A0V.@ ܠA0g@8[ A0y7L@<aA0}@> A0 @"@A0 g@9JA0P@K*A0ϔ@- A0@@dA0!B@IJA0g@7kPA0@3A0%@<aA078@> A1H~|@?١@A1Y@SA1k 9@?١@A1|PH@= A1@QA1۶@?١@A1"@2@A1hs@CA1ҭ@BDXA1 @P(ĠA1 :?@ATA1 N@CA1 Ŭ@GkPA1) @J:A1:Q@4A1Kx@;*A1\@H[ A1n"@M 1 A1g@- A1S@::A1@::A1;@EA1āo@> A1~@H[ A1 @7kPA1Q@JA1 J@7kPA1ީ@9JA1,#@VA1=h@DA1 N%@<aA1!_@CA1"q;@= 1 A1#A@@dA1$@EA1% _@= 1 A1&R@9JA1'Ǚ@Q|A1(z@GkPA1)$@= 1 A1*i@`ܠA1, @@ܠA1-U@2@A1./<@M 1 A1/@@= 1 A10Q!@4A11c 0@D#A12tS@4A13@&{A14@UǤA15%[@9JA16k@F{A17ʰ@D#A18'@::A19=@DA1:@P(ĠA1<@J:A1=!R@Nq A1>2Ta@= A1?C@4A1@T@Q|A1Af&-@CA1Bwl@5A1C@D#A1D@<aA1E=@K*A1Ff@<aA1G@1pA1H#@2@A1IV@1pA1KA@5A1L@$A1M$&@8[ A1N5m]@*:A1OF@O١@A1PW@;*A1Qi=@> A1Rz8@J