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 = '00689597000' / Observation ID TARG_ID = '689597 ' / 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 = 486990938.0078 / Start time DATE-OBS= '2016-06-07T11:15:38.0' / Start Date TSTOP = 486991043.57572 / Stop time DATE-END= '2016-06-07T11:17:23.6' / 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 = '2016-06-07T11:17:15' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -16.3813 / UTCF at TSTART CHECKSUM= 'iFgKj9fJiEfJi9fJ' / HDU checksum updated 2016-06-07T11:17:15 DATASUM = ' 0' / data unit checksum updated 2016-06-07T11:17:15 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 = '00689597000' / Observation ID TARG_ID = '689597 ' / 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 = '2016-06-07T11:17:15' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 486990938.0078 / Start time DATE-OBS= '2016-06-07T11:15:38.0' / Start Date TSTOP = 486991043.57572 / Stop time DATE-END= '2016-06-07T11:17:23.6' / Stop Date UTCFINIT= -16.3813 / 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 = 689597 / Trigger Number XRA_OBJ = 13.6680297851562 / [deg] XRT RA location GRB or Object XDEC_OBJ= -4.94474935531616 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.567920029163 / 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= -16.3813 / [s] UTC Correction TIME UTCCSEC = -17 / UTC Correction Seconds UTCCSUBS= 30935 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 486991043.6451 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 486991043 / ccsds PacKeT SEConds PKTSUBS = 32255 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '6AQM82QJ69QJ69QJ' / HDU checksum updated 2016-06-07T11:17:15 DATASUM = '1047348967' / data unit checksum updated 2016-06-07T11:17:15 END AZ.AZomAZ@W8A\[@FA]'@J:A^*@J:A_<+@_@A`Mq@@ܠAa^R@F{Aboa@DAcC@> Ad@XAe-@CAf@CAg[@LI Ahנ@CAiX@DAj-@Q|Al r@@ܠAm@Q|An-3@ApAo?D@ATApP@F{AqaN@HArs]@PܠAs[l@ATAt@M Au)@JAv.@EAwt@BDXAxڸ@D#Ay@9JAzEc@K*A|@BDXA} @CA~1/@B@AB\>@FAS@CAd@V?Av/Z@= A䃇ti@= A䄘@T_A䅩@7kPA䆻F5@F{Ǎ@BDXA@@ܠA@@dA^_@7kPAn@`(ĠA"@D#A40+@F{AEu:@M 1 AV@Nq Ah@9JAyG@8[ A䓊e@= 1 A䔛t@DA䕭@Q|A䖾_1@9JAϥ@9JA@@dA0@0ܠAv @ApAj@> A&@9JA7I(@DAH7@4AYF@B@Ak@FA|`@@dA䣍a@@ܠA䤞@O١@A䥰1@WkPAv@FhAҽ<@eA@K*AI@2@A@7kPAg@FhA)v@*:A:`@J:AK3@Nq A\B@P(ĠAn2@7kPAx@FA䳐@6{A䴢l@@dA䵳I{@@dAď@ZA9@IA@<aAa@?١@A @ATA@::A,3r@ApA=y@V{AN/@9JA`@M 1 AqJM@B@A‚@E