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 = '00703176000' / Observation ID TARG_ID = '703176 ' / 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 = 489445489.59472 / Start time DATE-OBS= '2016-07-05T21:04:49.6' / Start Date TSTOP = 489445595.23032 / Stop time DATE-END= '2016-07-05T21:06:35.2' / 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 = '2016-07-05T21:06:25' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -16.51702 / UTCF at TSTART CHECKSUM= 'eHfNgHZLeHfLeHZL' / HDU checksum updated 2016-07-05T21:06:25 DATASUM = ' 0' / data unit checksum updated 2016-07-05T21:06:25 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 = '00703176000' / Observation ID TARG_ID = '703176 ' / 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 = '2016-07-05T21:06:25' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 489445489.59472 / Start time DATE-OBS= '2016-07-05T21:04:49.6' / Start Date TSTOP = 489445595.23032 / Stop time DATE-END= '2016-07-05T21:06:35.2' / Stop Date UTCFINIT= -16.51702 / 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 = 703176 / Trigger Number XRA_OBJ = 168.057525634766 / [deg] XRT RA location GRB or Object XDEC_OBJ= 46.7212829589844 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.635599970818 / 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= -16.51702 / [s] UTC Correction TIME UTCCSEC = -17 / UTC Correction Seconds UTCCSUBS= 24149 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 489445595.32498 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 489445595 / ccsds PacKeT SEConds PKTSUBS = 16249 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'QX5ETU5BQU5BQU5B' / HDU checksum updated 2016-07-05T21:06:25 DATASUM = '3970922307' / data unit checksum updated 2016-07-05T21:06:25 END A,Xq?A,XrA,Xr@YJA,XsE@T_A,Xt5T@= A,Xu{@CA,Xv@IJA,Xw!@BDXA,XyL0@= 1 A,Xz@LaA,X{(@PA,X|:K@IJA,X}Ke@4A,X~\i@M 1 A,Xm@R4A,X6&@GkPA,X|@RLA,X@M A,X@= 1 A,XNQ@FA,XՓ`@BDXA,Xپ@@dA,X @@dA,X e,@K*A,X@BDXA,X+@4A,X=6@;*A,XN|@> A,X_e@5A,Xq@4A,XO"@$A,X@1pA,Xڐ@@ܠA,X@- A,Xe@FA,Xج\@@dA,X@4A,X7@R4A,X ~(@JA,X7@::A,X/ @FhA,X@N@= A,XQ@6{A,Xbb@= 1 A,Xt!@5A,Xh@8[ A,X@FhA,X=@3A,X8@H[ A,X~@> A,XX@> A,X g@@dA,XOv@= A,X@5A,X 3@*:A,X2!B@M 1 A,XCg@0ܠA,XT@3A,Xe^@3A,Xw9m@C4(A,X~|@([ A,X@;*A,X 9@([ A,XQ@D#A,X͗@5A,X۶@7kPA,X"@ ܠA,Xhs@2@A,X@3A,X#@"@A,X5:?@/١@A,XF@6{A,XWŬ@PܠA,Xi @5A,XzRi@([ A,Xx@"@A,X@<aA,X®$5@<aA,XÿiD@Nq A,XЯ@G8A,X@> A,X;@&{A,Xo@/١@A,X@0ܠA,X' @WkPA,X8Q@5A,XIJ@ ܠA,XZީ@5A,Xl%@1pA,X}j@{A,XЎu@8[ A,Xџ@([ A,Xұ;@BDXA,X‚A@([ A,XP@  A,X @;*A,XT @<aA,Xk@@A,X+@@A,X*$@Oa@