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 = '00733103000' / Observation ID TARG_ID = '733103 ' / 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 = 506206323.41388 / Start time DATE-OBS= '2017-01-15T20:52:03.4' / Start Date TSTOP = 506206429.01032 / Stop time DATE-END= '2017-01-15T20:53:49.0' / 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 = '2017-01-15T21:07:51' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -18.46592 / UTCF at TSTART CHECKSUM= 'iLgViKeTiKeTiKeT' / HDU checksum updated 2017-01-15T21:07:51 DATASUM = ' 0' / data unit checksum updated 2017-01-15T21:07:51 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 = '00733103000' / Observation ID TARG_ID = '733103 ' / 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 = '2017-01-15T21:07:51' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 506206323.41388 / Start time DATE-OBS= '2017-01-15T20:52:03.4' / Start Date TSTOP = 506206429.01032 / Stop time DATE-END= '2017-01-15T20:53:49.0' / Stop Date UTCFINIT= -18.46592 / 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 = 733103 / Trigger Number XRA_OBJ = 332.164642333984 / [deg] XRT RA location GRB or Object XDEC_OBJ= 13.778039932251 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.596440017223 / 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= -18.46592 / [s] UTC Correction TIME UTCCSEC = -19 / UTC Correction Seconds UTCCSUBS= 26704 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 506206429.04492 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 506206429 / ccsds PacKeT SEConds PKTSUBS = 2246 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5lbfAjaZ7jadAjaZ' / HDU checksum updated 2017-01-15T21:07:51 DATASUM = '3160096445' / data unit checksum updated 2017-01-15T21:07:51 END A,si A,sעIA,tfE@X,A,uw@1pA,v_@ATA,wn@7kPA,x]@ApA,y+@2@A,z@/١@A,{0@4A,|wG@0ܠA,~@2@A,@apA,$G@@dA,5"@ A,FԀ@/١@A,X@1pA,ia=@$A,z@2@A,@$A,3 @_١@A,yh@9JA,@5A,%@;*A,L@1pA,@@ܠA,֡@8[ A,@2@A,'c^@B@A,8@BDXA,I@D#A,[6z@/١@A,l|@::A,}@- A,F@H[ A,N@/١@A,@0ܠA,@9JA, q@G8A,f@KyA,@;*A,=@4A,8@6{A,*~@*:A,;X@M 1 A,M @$A,^R@EA,o$@SA,3@3A,"@1pA,h@ATA,O@= A,@4A,< @::A,@> A,z@2@A, @3A,T7@ATA,-@- A,>@&{A,P&@4A,ak@FA,rp@ATA,@ ܠA,>-@ApA,@([ A,@GkPA,I@FhA,VX@ApA,뜷@H[ A,@4A,($@LI A,n@  A,0@3A,A@@ATA,S@O@= 1 A,d@P(ĠA,u @9JA,Ňj@*:A,ƘY@D#A,ǩ'@{A,Ⱥ@"@A,+@SA,q@FA,@&{A,a@$A,C@9JA,"@= 1 A,3}@3A,E@<aA,V[@K*A,gI@ ܠA,x@QTA,Պ/@1pA,֛ud@G8A,׬s@FhA,ؾ@G8A,E@RDXA,?@K*A,Ҟ@0ܠ