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 = '00306829000' / Observation ID TARG_ID = '306829 ' / 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 = 227659607.20934 / Start time DATE-OBS= '2008-03-19T22:46:47.2' / Start Date TSTOP = 227659712.86002 / Stop time DATE-END= '2008-03-19T22:48:32.9' / 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 = '2008-03-19T22:48:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.65538 / UTCF at TSTART CHECKSUM= 'dChKfCZJdCfJdCZJ' / HDU checksum updated 2008-03-19T22:48:39 DATASUM = ' 0' / data unit checksum updated 2008-03-19T22:48:39 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 = '00306829000' / Observation ID TARG_ID = '306829 ' / 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 = '2008-03-19T22:48:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 227659607.20934 / Start time DATE-OBS= '2008-03-19T22:46:47.2' / Start Date TSTOP = 227659712.86002 / Stop time DATE-END= '2008-03-19T22:48:32.9' / Stop Date UTCFINIT= -2.65538 / 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 = 306829 / Trigger Number XRA_OBJ = 252.01643371582 / [deg] XRT RA location GRB or Object XDEC_OBJ= -45.1629486083984 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.65068000555 / 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= -2.65538 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 17231 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 227659712.92498 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 227659712 / ccsds PacKeT SEConds PKTSUBS = 46249 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'cYcNdXaNcXaNcXaN' / HDU checksum updated 2008-03-19T22:48:39 DATASUM = '85288733' / data unit checksum updated 2008-03-19T22:48:39 END A#k.A#FA#o@X[ A#`-@B@A#@QA#ti@Oa@A# &@::A#,@] A#O@G8A#q@G8A#1{@IA#ö@EA#HV@B@A#t@ApA#\@G8A#@O@1pA#csm@FA#І*@@dA#Ҩ@KyA#@Q|A#@::A#0@6{A#2@HA#UD@6{A#wx@> A#[@EA#S@CA#u@R4A#.@DA#$@;*A#Gj@C4(A#i'@FhA#,@FhA#@- A#C@H[ A#}@FhA#Z@P(ĠA#8X@PA#[t@M A#}@FhA#Q@= A#@K*A#@@dA#+@B@A# *@2@A# MB@CA#oρ@5A#\>@JA#@4A#pz@B@A#7@= 1 A#U@*:A#?@CA#a@@dA#*@DA#!@UOA##A@@dA#%@Oa@A#(X@JA#*0@RDXA#,So~@CA#.u;@FhA#0Y@\aA#2@ApA#4ݟ@1pA#7'R@V?A#9"@= A#;E@@::A#=g@K*A#?W@= A#Ae@M A#Cn@PA#E@@F{A#H^@::A#J7|@ATA#LY9@= 1 A#N|(@> A#P@SpA#R?@F{A#T̎@?١@A#WV@HA#Y(i@6{A#[Kp&@O١@A#]m@IJA#_b@M A#a@9JA#c՛=@6{A#e'@HA#h@<aA#j=>@ApA#l_˒@ATA#nU@M 1 A#p@D#A#rl@LaA#t@;*A#w f@9JA#y/#@HA#{QA@G8A#}t&@1pA#@I