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 = '00938899000' / Observation ID TARG_ID = '938899 ' / 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 = 596122500.39428 / Start time DATE-OBS= '2019-11-22T13:35:00.4' / Start Date TSTOP = 596122605.99256 / Stop time DATE-END= '2019-11-22T13:36:46.0' / 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 = '2019-11-22T13:36:35' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -23.96438 / UTCF at TSTART CHECKSUM= 'dIaJgGYJdGaJdGWJ' / HDU checksum updated 2019-11-22T13:36:35 DATASUM = ' 0' / data unit checksum updated 2019-11-22T13:36:35 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 = '00938899000' / Observation ID TARG_ID = '938899 ' / 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 = '2019-11-22T13:36:35' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 596122500.39428 / Start time DATE-OBS= '2019-11-22T13:35:00.4' / Start Date TSTOP = 596122605.99256 / Stop time DATE-END= '2019-11-22T13:36:46.0' / Stop Date UTCFINIT= -23.96438 / 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 = 938899 / Trigger Number XRA_OBJ = 54.2916564941406 / [deg] XRT RA location GRB or Object XDEC_OBJ= -32.1996459960938 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.598280072212 / 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= -23.96438 / [s] UTC Correction TIME UTCCSEC = -24 / UTC Correction Seconds UTCCSUBS= 1781 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 596122606.0449 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 596122606 / ccsds PacKeT SEConds PKTSUBS = 2245 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'loeimmeZlmeflmeZ' / HDU checksum updated 2019-11-22T13:36:35 DATASUM = '2785207290' / data unit checksum updated 2019-11-22T13:36:35 END A 2wA iNA °@b@A 9|@@ܠA K@M 1 A Jz@ATA e@Oa@A \@Q|A `@IA mN@PdA @R4A ~@FA 8@KyA ȏڥ@PdA }@LI A ɡ!@VA )3@FA ʲgb@SpA ; @S4(A í@EA LPH@YA w@KyA ]@LaA 9@F{A n@@ܠA @LI A π#d@D#A Ɠ@IJA Бi@KyA  @= 1 A Ѣy@3A +R@GkPA ҳ@PܠA <@EA <6@H[ A Me@T_A ց@D#A _%@B@A K@<aA pk{@EA @FhA ׁ@@dA Ta@ApA ؒ@= A @@dA ٤=@FhA ,@T_A ڵ@> A >&@FhA @> A Om3@::A b@EA `@H[ A V@DA qH@VhA x@K*A ߃?@B@A @@dA @;*A (@JA ˼@@dA .n@IA @H[ A ?J@9JA W@= 1 A P@;*A ٞ0@<aA bA_@ApA @;*A s@7kPA *E@@ܠA u@B@A p@SpA @@ܠA @9JA Y@9JA /@X,A 긟@::A AC@- A G@/١@A Rv@EA +@TA c-@= A r\@EA u@ATA @,aA [@GkPA r@ApA 𗡡@<aA D@3A @6{A 1/@EA -@9JA B@= 1 A t@4A TD@?١@A ܺs@EA e]@EA *@FhA vY@<a