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 = '00655721000' / Observation ID TARG_ID = '655721 ' / 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 = 464044854.01066 / Start time DATE-OBS= '2015-09-15T21:20:54.0' / Start Date TSTOP = 464044959.6036 / Stop time DATE-END= '2015-09-15T21:22:39.6' / 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 = '2015-09-15T21:22:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -15.13958 / UTCF at TSTART CHECKSUM= 'oEfRpBZOoBfOoBZO' / HDU checksum updated 2015-09-15T21:22:36 DATASUM = ' 0' / data unit checksum updated 2015-09-15T21:22:36 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 = '00655721000' / Observation ID TARG_ID = '655721 ' / 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 = '2015-09-15T21:22:36' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 464044854.01066 / Start time DATE-OBS= '2015-09-15T21:20:54.0' / Start Date TSTOP = 464044959.6036 / Stop time DATE-END= '2015-09-15T21:22:39.6' / Stop Date UTCFINIT= -15.13958 / 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 = 655721 / Trigger Number XRA_OBJ = 319.705810546875 / [deg] XRT RA location GRB or Object XDEC_OBJ= -34.8683853149414 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.592940032482 / 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= -15.13958 / [s] UTC Correction TIME UTCCSEC = -16 / UTC Correction Seconds UTCCSUBS= 43021 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 464044959.64496 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 464044959 / ccsds PacKeT SEConds PKTSUBS = 32248 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'ERG7FRG6ERG6ERG6' / HDU checksum updated 2015-09-15T21:22:36 DATASUM = '359051183' / data unit checksum updated 2015-09-15T21:22:36 END A6A6phA6,@fzA8rq@` ʠA9 @` ʠA:1.@`FA;CE@e1Aw @`A?\h@^q A@@avAA%@ajAB/@ZACt@`(ĠAD޺@^q AEP@a6AGG@a6AH@bDXAI#@] 1 AJ5+@`AKF^@\I ALW@] AMhF@YANz1@\aAOx@\VU AP@XAQq@UOARH@Z:ASЎ@\I AT=@^ AU@\aAW`@ZAX @ZAY&g@WDAZ83@ZA[Iz%@XA\Z@RDXA]lC@VA^}J@\= A_@XA`^@ZvAa@Z:Abd@WkPAcө*@X,Ad@XAe5@n Agz@[fAhU@XAi*@bLAj;L@WDAkL!@ZAl]@XAmo@^ Anf<@YAo@[fAp@\= Aq6@b:Ar}@SpAsv@WkPAt @YAuP3@ZAw B@YAxۡ@SAy-!@UAz>h^@RLA{Om@RdA|`@R4A}r8@V?A~9@M Aŗ@LI AÀ @LaAÁRT@SAÂȘ@S4(AÃ@FhAÄ"@RLAÅi/@PAÇ @H[ AÈ@ApAÉ0:@RdAÊAZ@M AËRǹ@F{AÌd@Oa@AÍuTv@LI AÎ@CAÏ@KyAÐ$@M 1 AÑkQ@G8AÒ˱@?١@AÓ@FAÔ>l@H[ AÕ@IJA×@Q|AØ"8@Oa@AÙ3UG@Oa@AÚD@SAÛU@EAÜg'@3AÝxmr@ATAÞ@I