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 = '00501752000' / Observation ID TARG_ID = '501752 ' / 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 = 336356936.4139 / Start time DATE-OBS= '2011-08-30T00:28:56.4' / Start Date TSTOP = 336357182.9329 / Stop time DATE-END= '2011-08-30T00:33:02.9' / 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 = '2011-08-30T00:33:02' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -7.31176 / UTCF at TSTART CHECKSUM= '5LjU5JiR5JiR5JiR' / HDU checksum updated 2011-08-30T00:33:02 DATASUM = ' 0' / data unit checksum updated 2011-08-30T00:33:02 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 = '00501752000' / Observation ID TARG_ID = '501752 ' / 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 = '2011-08-30T00:33:02' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 336356936.4139 / Start time DATE-OBS= '2011-08-30T00:28:56.4' / Start Date TSTOP = 336357182.9329 / Stop time DATE-END= '2011-08-30T00:33:02.9' / Stop Date UTCFINIT= -7.31176 / 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 = 501752 / Trigger Number XRA_OBJ = 278.739837646484 / [deg] XRT RA location GRB or Object XDEC_OBJ= -8.73169708251953 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 246.518999993801 / TSTOP - TSTART ONTIME = 244.140426635742 / Time on target LIVETIME= 244.140426635742 / Ontime multiplied by DEADC EXPOSURE= 244.140426635742 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -7.31176 / [s] UTC Correction TIME UTCCSEC = -8 / UTC Correction Seconds UTCCSUBS= 34412 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 336357183.04484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 336357183 / ccsds PacKeT SEConds PKTSUBS = 2242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '6NAR9N7Q6NAQ6N5Q' / HDU checksum updated 2011-08-30T00:33:02 DATASUM = '857036017' / data unit checksum updated 2011-08-30T00:33:02 END A fHiZA fHףA fIgG@SA fJx7@> A fKԕA fP@]飠A fSB@U A fU_[@O& A fXF?@MA fZ~@J A f]I@JA f_ۡ@GA fbM @F`A fdϛ@E A fgQy}@E A fiY6@B%`A flU7@@' A fn @9 jA fqX@=A fs|@9A fv\@3$A fxޓ@7!`A f{`r@5#fA f}Q@: A fd1{@0Z- A f4@5#fA fg@3$A f@.OA fk@4W1A f*@/A fom3@0G A fK@2ɀA fs*@/A f @+!@A fv)@0Z- A f@1`A fz@-A fU@+ A f~e@.OA fD(@-A f#@/& A f@/& A fT@)A f@+!@A f'@*RA f @+ A f^J@'A f?S@+ A f@)A f&@.OA f@)A fI@.OA fƘ@)A fy@+ A f˜Yu@(PA f7@+ A fРH@)A f!@(PA fգջ@*RA f%t@+!@A fڧ@% A f)rG@+!@A f߫R@)A f-0j@(PA fs@'!`A f0@(PA fϖ@)A f4@% A f@% A f8l"@,UA fK@+ A f<+@'A f @-A f?@0Z- A f!@.OA gC@*RA gŇ@'A gGe@'A gE@'A g K$ @$KA g @)A gN@(PA g@% A gR@*RA gԀ@#A gV_@% A g>B@+ A gZ@&U@A g @)A g#]@3$A g%߻@% A g(aA@% A g*{J@)A g-eY@+ A g/9m@% A g2i@,UA g4@@'A g7l@+!@A g9@,UA g