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 = '00778435000' / Observation ID TARG_ID = '778435 ' / 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 = 529547070.20872 / Start time DATE-OBS= '2017-10-13T00:24:30.2' / Start Date TSTOP = 529547313.8485 / Stop time DATE-END= '2017-10-13T00:28:33.8' / 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 = '2017-10-13T00:30:27' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -19.8313 / UTCF at TSTART CHECKSUM= 'nFqMqCoMnCoMnCoM' / HDU checksum updated 2017-10-13T00:30:27 DATASUM = ' 0' / data unit checksum updated 2017-10-13T00:30:27 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 = '00778435000' / Observation ID TARG_ID = '778435 ' / 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 = '2017-10-13T00:30:27' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 529547070.20872 / Start time DATE-OBS= '2017-10-13T00:24:30.2' / Start Date TSTOP = 529547313.8485 / Stop time DATE-END= '2017-10-13T00:28:33.8' / Stop Date UTCFINIT= -19.8313 / 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 = 778435 / Trigger Number XRA_OBJ = 84.0643997192383 / [deg] XRT RA location GRB or Object XDEC_OBJ= 34.4951133728027 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 243.639779984951 / TSTOP - TSTART ONTIME = 241.260833740234 / Time on target LIVETIME= 241.260833740234 / Ontime multiplied by DEADC EXPOSURE= 241.260833740234 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -19.8313 / [s] UTC Correction TIME UTCCSEC = -20 / UTC Correction Seconds UTCCSUBS= 8435 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 529547313.9249 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 529547313 / ccsds PacKeT SEConds PKTSUBS = 46245 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '8gSIAZSI1fSI8ZSI' / HDU checksum updated 2017-10-13T00:30:27 DATASUM = '3853857531' / data unit checksum updated 2017-10-13T00:30:27 END A?>5nA?>A??2@QpA?@D0+@([ A?AUu:@ A?BfI@&{A?CxA?HΚ@ A?K0@(PA?M@)A?P4k'@,UA?RL0@*RA?U8*@+!@A?W R@)A?Z;@+ A?\u@(PA?_?@-A?a@'A?dCe@+ A?fCl@&U@A?iG#%@)A?k@+ A?nJH@+ A?p̿@*RA?sNk@&U@A?u}@)A?xR\>@+!@A?z;@,UA?}Va@'A?@,UA?Y؄@-A?۹@-A?]@'A?w@+!@A?aV@,UA?5@'A?e<@+!@A?@% A?h_@'A?@*RA?l@'!`A?n@(PA?pN@/A?-@+!@A?t @*RA?1@&U@A?w@+ A?T@(PA?{@-A?gw@,UA?G0@)A?&@+!@A?S@+!@A? @*RA?v@)A?@&U@A?Ê@.OA? `@0G A?Ȏ?@(PA?&@+!@A?͑@+!@A?H@)A?ҕ@0G A?k@,UA?יz%@,UA?X@-A?ܝ8G@*RA?@0G A?@-A?"$@*RA?椴@/& A?&F@/A?r@0Z- A?*Ri@1`A?0@/& A?.@/A?@,UA?1ί@1&a@A?@/A?5@0G A?k<@1&a@A@9I@0Z- A@)_@2ɀA@=@3$A@ @/& A@ @;@1`A@¦@3A@D^@4W1A@e@1&a@A@HC@7!`A@#:@5 A@L@7!`A@]@4KA@ O@8T6A@"џ@6@A@%S}@; A@'\S@