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 = '01200559000' / Observation ID TARG_ID = '1200559 ' / 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 = 723351309.79456 / Start time DATE-OBS= '2023-12-04T02:55:09.8' / Start Date TSTOP = 723351415.43078 / Stop time DATE-END= '2023-12-04T02:56:55.4' / 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 = '2023-12-04T02:56:29' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -32.48422 / UTCF at TSTART CHECKSUM= 'gKaQiIWPgIaPgIWP' / HDU checksum updated 2023-12-04T02:56:29 DATASUM = ' 0' / data unit checksum updated 2023-12-04T02:56:29 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 = '01200559000' / Observation ID TARG_ID = '1200559 ' / 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 = '2023-12-04T02:56:29' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 723351309.79456 / Start time DATE-OBS= '2023-12-04T02:55:09.8' / Start Date TSTOP = 723351415.43078 / Stop time DATE-END= '2023-12-04T02:56:55.4' / Stop Date UTCFINIT= -32.48422 / 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 = 1200559 / Trigger Number XRA_OBJ = 135.74870300293 / [deg] XRT RA location GRB or Object XDEC_OBJ= -40.2367820739746 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.636220097542 / 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= -32.48422 / [s] UTC Correction TIME UTCCSEC = -33 / UTC Correction Seconds UTCCSUBS= 25789 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 723351415.53742 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 723351415 / ccsds PacKeT SEConds PKTSUBS = 26871 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'CHQBDEP9CEPACEP7' / HDU checksum updated 2023-12-04T02:56:29 DATASUM = '1447016083' / data unit checksum updated 2023-12-04T02:56:29 END AŎ$AŎDAŎh@i,AŎ @R4AŎz6;@`AŎj@V?AŎ|@VtAŎ@] AŎ@W8AŎ%f'@VhAŎ@iAŎ6@V{AŎO@`(ĠAŎG=@YAŎД@QpAŎY7@QAŎ@ZAŎj~R@UOAŎ!@[fAŎ{ı@YJAŎg@ZAŎ g@^ AŎ@X,AŎP@c.AŎ&@dAŎ$@a6AŎ8:T@\I AŎ݃@ZvAŎI @R@AŎ#:@UǤAŎZi@X[ AŎh@] AŎl @R4AŎ@PAŎ}S&@R4AŎ@PAŎ@@ܠAŎ< @RdAŎޔ@FAŎ(@Nq AŎ$@M AŎ9@CAŎkQ@IJAŎK@o% AŎӱ@FhAŎ\T7@;*AŎf@@dAŎm@ATAŎ=@H[ AŎ~L@::AŎ#@VhAŎ'R@EAŎ@CAŎm @9JAŎ*8@ATAŎh@DAŎ;U@JAŎ@SAŎL@Nq AŎ?}@RdAŎ]@EAŎ@^5 AŎo) @R@AŎ˒@R@AŎn@J:AŎ @QAŎ @R4AŎXO@RLAŎ@M AŎ+@PdAŎA5@J:AŎr@QAŎb@PdAŎO@ksAŎ[@N AŎ`@WDAŎw@ZAŎrEN@Z:AŎ}@[mAŎ@^ AŎ .4@RdAŎc@N AŎt@IAŎ@T#AŎ.I@^5