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 = '00636005000' / Observation ID TARG_ID = '636005 ' / 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 = 448823310.00764 / Start time DATE-OBS= '2015-03-23T17:08:30.0' / Start Date TSTOP = 448823415.58432 / Stop time DATE-END= '2015-03-23T17:10:15.6' / 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 = '2015-03-23T17:10:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -13.34878 / UTCF at TSTART CHECKSUM= 'fNjTfKjQfKjQfKjQ' / HDU checksum updated 2015-03-23T17:10:10 DATASUM = ' 0' / data unit checksum updated 2015-03-23T17:10:10 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 = '00636005000' / Observation ID TARG_ID = '636005 ' / 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 = '2015-03-23T17:10:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 448823310.00764 / Start time DATE-OBS= '2015-03-23T17:08:30.0' / Start Date TSTOP = 448823415.58432 / Stop time DATE-END= '2015-03-23T17:10:15.6' / Stop Date UTCFINIT= -13.34878 / 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 = 636005 / Trigger Number XRA_OBJ = 192.628448486328 / [deg] XRT RA location GRB or Object XDEC_OBJ= 50.1499214172363 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.576680004597 / 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= -13.34878 / [s] UTC Correction TIME UTCCSEC = -14 / UTC Correction Seconds UTCCSUBS= 32561 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 448823415.64498 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 448823415 / ccsds PacKeT SEConds PKTSUBS = 32249 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '4baC5aaA4aaA4aaA' / HDU checksum updated 2015-03-23T17:10:10 DATASUM = '3829105872' / data unit checksum updated 2015-03-23T17:10:10 END AAoA4@cA { @] A@_١@A-y@YA>L@YAO6@[fA`ٔ@ZAr@]F% Ae@`ܠA`@c4(A@b@A8@bbRA~|@b@AË@b&^A @^ APH@cA @cpA!@\VU A"0"@X[ A#Ahs@^ A$R@\= A%c0@cR"A&u;@YJA'@S4(A(@] 1 A) Z@WDA*S@PܠA+˚@Oa@A,&@H[ A-%@RLA.k@IJA0B@N A1!Q@QTA23=@QTA3D@QpA4Um@YA5g@PdA6xW*@PdA79@M 1 A8@T_A9(@O١@A:oT@Q|A;ε@HA<@Oa@A=A @HA?@VA@@T_AA%<@`AB6YK@VtACG@\= ADX@[fAEj,g@ZvAF{qv@[fAG@XAH3@a6AID@]F% AJ@YJAK@V{AL]@V?AM\@UAO@YAP)@c AQ(.@`AR9t@] ASJE@\VU AT\@cpAUmH@ajAV~@ZAWo@[mAX@YAY`-@^q AZå<@[yA[@W/\A\1@[fA]xW@_١@A_@_a@A`@bDXAa+J#@aTAb<@cAcM@`Ad_@] AepbN@f?Af@\aAg @[*Ah5i@[yAi{@XAj'@cR"Ak5@UǤAlM@] 1 Am@P(ĠAo @TAp`@RLAq.e@ZAr?@M AsP|@YJAtb8@QTAus9@M AvH@Sp