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 = '00554620000' / Observation ID TARG_ID = '554620 ' / 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 = 388741830.99328 / Start time DATE-OBS= '2013-04-27T07:50:31.0' / Start Date TSTOP = 388741936.57024 / Stop time DATE-END= '2013-04-27T07:52:16.6' / 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 = '2013-04-27T07:52:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -10.48838 / UTCF at TSTART CHECKSUM= 'gGbQhGZNgGaNgGYN' / HDU checksum updated 2013-04-27T07:52:23 DATASUM = ' 0' / data unit checksum updated 2013-04-27T07:52:23 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 = '00554620000' / Observation ID TARG_ID = '554620 ' / 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 = '2013-04-27T07:52:23' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 388741830.99328 / Start time DATE-OBS= '2013-04-27T07:50:31.0' / Start Date TSTOP = 388741936.57024 / Stop time DATE-END= '2013-04-27T07:52:16.6' / Stop Date UTCFINIT= -10.48838 / 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 = 554620 / Trigger Number XRA_OBJ = 173.145935058594 / [deg] XRT RA location GRB or Object XDEC_OBJ= 27.6871948242188 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.576960027218 / 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= -10.48838 / [s] UTC Correction TIME UTCCSEC = -11 / UTC Correction Seconds UTCCSUBS= 25581 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 388741936.65876 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 388741936 / ccsds PacKeT SEConds PKTSUBS = 32938 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'Kb17Ma16Ka16Ka16' / HDU checksum updated 2013-04-27T07:52:23 DATASUM = '3685719896' / data unit checksum updated 2013-04-27T07:52:23 END A+GA+kA+j@zMA+@WA+/@"A+)t@A+:E@,@A+L@0`A+]H@A+n@\@A+o@ A+ё@褐A+Ң`-@YǠA+ӳ@`A+@`A+0@8 A+w@iA+f@D;A+ @A+J#@tA+,2@\A+=Ց@E+A+O@G `A+`bN@ A+q]@ncA+@A+2@A+y)@M@A+㶿@A+@A+LD@o٠A+꒣@H`A+ײ@{ZA+ @A+c @6 A+/~@ A+@@CA+R4@?A+c{J@U5@A+t@`@A+@fA+Nf@ VA+@A+؄@AA+@|#A+eA@C A+@A+@6A+7 @<@A+!}k@4 A+2@yA+D (@tuA+UO7@{G@A+f@A+wڥ@-A+!@q@A+gb@!Y@A+@F% A+@A+:~@ 1 A+@pA+@6{`A+ @'~`A+ QY@HA+ $@sA+ 5@U`A+ G#%@xA+ Xi@~ A+i@q A+z@@X`A+<@\z@A+@A+ƽ@alA+ @܀A+Sz@A+@w;@A+@`A+%F@yA+k@(A+'@A+8b@?A+JB@kA+)@/@A+**@`A++<^@ A+,MW@A+-^@A+.o*@A+/)@Xn@