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 = '00286809000' / Observation ID TARG_ID = '286809 ' / 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 = 207731388.61176 / Start time DATE-OBS= '2007-08-02T07:09:48.6' / Start Date TSTOP = 207731633.26184 / Stop time DATE-END= '2007-08-02T07:13:53.3' / 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 = '2007-08-02T07:20:27' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -2.12786 / UTCF at TSTART CHECKSUM= 'iGiJjEfIiEfIiEfI' / HDU checksum updated 2007-08-02T07:20:27 DATASUM = ' 0' / data unit checksum updated 2007-08-02T07:20:27 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 = '00286809000' / Observation ID TARG_ID = '286809 ' / 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 = '2007-08-02T07:20:27' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 207731388.61176 / Start time DATE-OBS= '2007-08-02T07:09:48.6' / Start Date TSTOP = 207731633.26184 / Stop time DATE-END= '2007-08-02T07:13:53.3' / Stop Date UTCFINIT= -2.12786 / 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 = 286809 / Trigger Number XRA_OBJ = 36.8292465209961 / [deg] XRT RA location GRB or Object XDEC_OBJ= -55.5439605712891 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 244.650079995394 / TSTOP - TSTART ONTIME = 242.700622558594 / Time on target LIVETIME= 242.700622558594 / Ontime multiplied by DEADC EXPOSURE= 242.700622558594 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -2.12786 / [s] UTC Correction TIME UTCCSEC = -3 / UTC Correction Seconds UTCCSUBS= 43607 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 207731633.32852 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 207731633 / ccsds PacKeT SEConds PKTSUBS = 16426 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'U9ScW8RbU8RbU8Rb' / HDU checksum updated 2007-08-02T07:20:27 DATASUM = '2407385175' / data unit checksum updated 2007-08-02T07:20:27 END Auy98AuzAu{3@Q|Au}VP@4Aux@= 1 Auf? Au-b9@/& Au1 @.OAu4@*RAu8@)Au<]d@0Z- Au@7@2XAuC @.OAuG}@,UAuKU@/AuO@/& AuR5@)AuV@)AuZQ@+!@Au^ @+!@Aua`@+!@Aue3@+!@AuiI@.OAum @+!@Aup@,UAut@0G AuxB1@)Au|@(PAu@(PAu}@)Av:@(PAv@*RAv @,UAvy@(PAv5@(PAvZ@.OAv!@,UAv&q@(PAv+1@*RAv0@,UAv5X@(PAv:l@'!`Av?)@,UAvDq@*RAvI@(PAvNeV@*RAvS$@'!`AvX@+!@Av]ʣ@(PAvb`@'AvgT@'Avl@(PAvqٜ9@(PAvvY @'!`Av{~@+ AvR@'!`Avc@% AvT7@+ Av@'!`Av}@'Av@'AvOa@+ Av 5@)Av@)Av@'!`Av G@*RAv_@(PAv3@/Av@'AvC@'Av@'!`Av ]@-Av$~@+ Av(;@)Av+@(PAv/@+!@Av3w\@-Av76@'Av:@'!`Av>@+ AvBo@,UAwF1@0Z- AwI@.OAw M>@+ AwQk@)AwU*@/AwX@'!`Aw!\@.OAw&`c@+ Aw+d%@(PAw0g@,UAw5k@'Aw:o^@.OAw?s @+ AwDvݭ@(PAwIz@'AwN~Y@-AwSe@)AwX@.OAw]@+