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 = '00912239000' / Observation ID TARG_ID = '912239 ' / 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 = 583631757.19454 / Start time DATE-OBS= '2019-06-30T23:55:57.2' / Start Date TSTOP = 583631931.57392 / Stop time DATE-END= '2019-06-30T23:58:51.6' / 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 = '2019-07-01T00:01:21' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -23.16406 / UTCF at TSTART CHECKSUM= 'hNeJiKdJhKdJhKdJ' / HDU checksum updated 2019-07-01T00:01:21 DATASUM = ' 0' / data unit checksum updated 2019-07-01T00:01:21 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 = '00912239000' / Observation ID TARG_ID = '912239 ' / 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 = '2019-07-01T00:01:21' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 583631757.19454 / Start time DATE-OBS= '2019-06-30T23:55:57.2' / Start Date TSTOP = 583631931.57392 / Stop time DATE-END= '2019-06-30T23:58:51.6' / Stop Date UTCFINIT= -23.16406 / 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 = 912239 / Trigger Number XRA_OBJ = 293.84814453125 / [deg] XRT RA location GRB or Object XDEC_OBJ= -32.7919807434082 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 174.379379987717 / TSTOP - TSTART ONTIME = 172.150543212891 / Time on target LIVETIME= 172.150543212891 / Ontime multiplied by DEADC EXPOSURE= 172.150543212891 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -23.16406 / [s] UTC Correction TIME UTCCSEC = -24 / UTC Correction Seconds UTCCSUBS= 41797 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 583631931.6448 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 583631931 / ccsds PacKeT SEConds PKTSUBS = 32240 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'GJTHIHTGGHTGGHTG' / HDU checksum updated 2019-07-01T00:01:21 DATASUM = '1416457102' / data unit checksum updated 2019-07-01T00:01:21 END AdƘAdϾwAdb@\VU Adǘ@6{Ad!V@CAdȩ@8[ Ad2x@DAdɻ>@BDXAdC.@9JAd̅^@X,AdU(@2@Ad@ApAdfm@/١@Ad@?١@Adw@= AdW*@F{AdΈ @8[ Ad9@6{AdϚ?h@6{Ad"@BDXAdЫ@8[ Ad4(N@/١@AdѼ@"@AdEn@= 1 Ad4@> AdVc@([ AdV@0ܠAdgr@8[ Ad@B@Ady?@D#Ad@0ܠAd֊@O١@Ad(@"@Adכ>@C4(Ad$nn@3Adح@EAd5$@,aAdپV@EAdF@  Adϝ @"@AdX@:@([ Ad@EAdiI@4Ad(x@0ܠAdz˧@K*Adn@ ܠAdތ@:Ad@0ܠAdߝW@"@Ad%D@@Ad஝s@"@Ad7?@"@Ad@M AdH@@Ad(? Ada+@5 Ad@5#fAd @3$Ad#@3Add@3$Ad@3Adȴ@3$Ad'@3Adh@2XAd𩗢@3$Ad@3$Ad+v@1{@Adle@1&a@AdU@2ɀAdD@1`Ad/4@1`Adp$ @3Ad@/Ad@/& Ad2@0Z- Ads.@0G Ad @2XAd@@0G Ad6@/& AdwQ@1{@Ad.@0Z- Ad @1&a@Ad:o?@0Z- Ad{_@2ɀAd NQ@/Ad >-@/Ad >-b@1{@Ad ?@0Z- Ad t@0G Ad@0Z- AdA@1&a@Adں@-Adʗ@.OAd@/AdE@0Z- Ad@1{@AdLj@0G Adw@3AdIg@/& AdW@0G