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 = '00276321000' / Observation ID TARG_ID = '276321 ' / 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 = 198742799.6088 / Start time DATE-OBS= '2007-04-20T06:19:59.6' / Start Date TSTOP = 198742905.15254 / Stop time DATE-END= '2007-04-20T06:21:45.2' / Stop Date CLOCKAPP= F / If clock correction are applied (F/T) ORIGIN = 'GSFC ' / Source of FITS file CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file TLM2FITS= 'V3.20 ' / Telemetry converter version number DATE = '2007-04-20T06:21:56' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -1.90194 / UTCF at TSTART CHECKSUM= 'lGiPnDfNlDfNlDfN' / HDU checksum updated 2007-04-20T06:21:56 DATASUM = ' 0' / data unit checksum updated 2007-04-20T06:21:56 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 = '00276321000' / Observation ID TARG_ID = '276321 ' / Target ID SEG_NUM = '0 ' / Segment number CREATOR = 'TDRSS2FITS V3.20' / Program that created this FITS file ORIGIN = 'GSFC ' / Source of FITS file TLM2FITS= 'V3.20 ' / 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 = '2007-04-20T06:21:56' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 198742799.6088 / Start time DATE-OBS= '2007-04-20T06:19:59.6' / Start Date TSTOP = 198742905.15254 / Stop time DATE-END= '2007-04-20T06:21:45.2' / Stop Date UTCFINIT= -1.90194 / 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 = 276321 / Trigger Number XRA_OBJ = 121.205276489258 / [deg] XRT RA location GRB or Object XDEC_OBJ= -45.5547637939453 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.543740004301 / 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= -1.90194 / [s] UTC Correction TIME UTCCSEC = -2 / UTC Correction Seconds UTCCSUBS= 4903 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 198742905.24664 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 198742905 / ccsds PacKeT SEConds PKTSUBS = 12332 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '3mm94lm73lm73lm7' / HDU checksum updated 2007-04-20T06:21:56 DATASUM = '2753079308' / data unit checksum updated 2007-04-20T06:21:56 END A&7A& A&!@arA"@a|A&%Zy@XA&'}<6@[yA&)T@T_A&+S@W/\A&-@SA&0i@QpA&2)@R4A&4L@SA&6o @UA&8@V{A&:!@QpA&<֮}@RdA&>;:@V?A&AX@TA&C>R@M 1 A&E`3@LI A&Gh@T#A&I@P(ĠA&K@IJA&M @P(ĠA&P @H[ A&R0 @M A&TR@HA&Vu7@J:A&X]@BDXA&ZQ@K*A&\8@GkPA&^g@GkPA&a!@M A&cD~@FhA&eg @TA&gJ@H[ A&i"h@LI A&kά@B@A&m9C@;*A&pa@@ܠA&r6M@DA&tX<@> A&v{f@EA&x@BDXA&z}@1pA&| @WkPA&@0ܠA&(!l@ATA&J)@HA&m5@5A&e@4A&O"@/١@A&@@G8A&e@QA&@ATA&<|@5A&_ @D#A&@5A& q@ATA&ƭ.@EA&7L@<aA& j@$A&.N'@/١@A&PE@*:A&se@= 1 A& @FA&{@EA&@7kPA&@2@A& u@$A&B@([ A&e6P@1pA& @9JA&M+@<aA&I@*:A&d@CA&$@V?A&4z@9JA&W@{A&y@6{A&ǜy@3A&ɾ6@> A&5T@- A&@ATA&&L0@([ A&H@8[ A&kc @/١@A&֍)@::A&ذy@([ A&@EA&@&{A&~@  A&:;@1pA&]4Y@::A&@4A&M@{A&@:A&d@- A& @*:A&,x@$