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 = '01246989000' / Observation ID TARG_ID = '1246989 ' / 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 = 744561051.80958 / Start time DATE-OBS= '2024-08-05T14:30:51.8' / Start Date TSTOP = 744561157.37896 / Stop time DATE-END= '2024-08-05T14:32:37.4' / 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 = '2024-08-05T14:40:57' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.93728 / UTCF at TSTART CHECKSUM= 'ZEYNhCWNZCWNfCWN' / HDU checksum updated 2024-08-05T14:40:57 DATASUM = ' 0' / data unit checksum updated 2024-08-05T14:40:57 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 = '01246989000' / Observation ID TARG_ID = '1246989 ' / 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 = '2024-08-05T14:40:57' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 744561051.80958 / Start time DATE-OBS= '2024-08-05T14:30:51.8' / Start Date TSTOP = 744561157.37896 / Stop time DATE-END= '2024-08-05T14:32:37.4' / Stop Date UTCFINIT= -33.93728 / 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 = 1246989 / Trigger Number XRA_OBJ = 254.240615844727 / [deg] XRT RA location GRB or Object XDEC_OBJ= 18.320182800293 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.569380044937 / 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= -33.93728 / [s] UTC Correction TIME UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 3136 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 744561157.53888 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 744561157 / ccsds PacKeT SEConds PKTSUBS = 26944 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'j47Ul44Tj44Tj44T' / HDU checksum updated 2024-08-05T14:40:57 DATASUM = '2058763970' / data unit checksum updated 2024-08-05T14:40:57 END A0QA0wpA0bM+@p ʠA0@] 1 A0s@]F% A06@^5 A0Є@@] A0 |p@`(ĠA0і@ZA0@_@A0ҧe@\VU A00 -@e1A0Ӹ@iJA0AN@c.A0@eA0RB@_@A07@`A0c@X,A0~(@TA0u!W@ZA0.@SA0؆g@QA0 @^5 A0ٗ@ZA0 QD@T_A0ڨ@YJA01@YA0ۺ:*@V{A0BY@UA0ˀ@PdA0T#@T_A0?@T#A0ej@R@A0 E@X[ A0v@SA0R@_a@A0+@SpA0[@PdA0;@LaA0!@[fA0⪂A@P(ĠA03%p@QA0ȟ@M A0Dk@R@A0@VtA0U-@UǤA0U\@Nq A0f@bDXA0@_% A0x>B@YJA0r@ZvA0艄@cA0'(@V{A0X@M A0#n/@QA0^@N A04@ZA0W@SA0ED@T#A0Νs@N A0W?@V{A0*@M A0hY@PdA0)@SpA0y̸@VA0o@RdA0@YJA0F@QA0Yu@UA0$@ZA0,@M 1 A06B[@C4(A0@K*A0G@N A0+A@J:A0Xp@B@A0q@;*A0jw@UA0@EA0{[-@QTA0]@QA0@FhA0D@K*A0C@C4(A0&r@BDXA0-@EA07@EA0t@YJA0I/@V?A0Ѻ^@SpA0Z]@B@A0@= A0kD@ApA0Ft@B@A0|@IA0*@ApA0/Z@&{A0҉@K*A0v`@3A0(@G8