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 = '01220092000' / Observation ID TARG_ID = '1220092 ' / 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 = 732149062.80962 / Start time DATE-OBS= '2024-03-14T22:44:22.8' / Start Date TSTOP = 732149168.37796 / Stop time DATE-END= '2024-03-14T22:46:08.4' / 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 = '2024-03-14T22:49:53' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -33.087 / UTCF at TSTART CHECKSUM= 'fFdYiCbVfCbVfCbV' / HDU checksum updated 2024-03-14T22:49:53 DATASUM = ' 0' / data unit checksum updated 2024-03-14T22:49:53 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 = '01220092000' / Observation ID TARG_ID = '1220092 ' / 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 = '2024-03-14T22:49:53' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 732149062.80962 / Start time DATE-OBS= '2024-03-14T22:44:22.8' / Start Date TSTOP = 732149168.37796 / Stop time DATE-END= '2024-03-14T22:46:08.4' / Stop Date UTCFINIT= -33.087 / 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 = 1220092 / Trigger Number XRA_OBJ = 243.514022827148 / [deg] XRT RA location GRB or Object XDEC_OBJ= -15.3179426193237 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.568339943886 / 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= -33.087 / [s] UTC Correction TIME UTCCSEC = -34 / UTC Correction Seconds UTCCSUBS= 45650 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 732149168.53778 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 732149168 / ccsds PacKeT SEConds PKTSUBS = 26889 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'Wc78WZ55Wb55WZ55' / HDU checksum updated 2024-03-14T22:49:53 DATASUM = '2916149825' / data unit checksum updated 2024-03-14T22:49:53 END AڣgAڣxAڣ4@`Aڤj@4Aڤ{J@Aڥ|@ Aڦ@eAڦd0@@Aڧ_@`Aڧ@@Aڨ'M@rAڨE@|7 Aک8@} Aک5@xL#AڪI+@yJAڪ{@u"Aګ[@x/Aګ@tAAڬleA@t2Aڬ@vNAڭ}@vAڮN'@sAڮ@iAگ@jXAگ7 @j:Aڰ(<@pAڰ|@p7Aڱ:@iAڱ"@i,AڲKfQ@gMVAڲ @iAڳ\@m 1 AڳO7@x[ Aڴmg@iAڴ@gkPAڵ8@gJAڶM@dAAڶ~|@d#Aڷ!@c4(Aڷ3@b:Aڸ*gb@dAڸ @cAڹ;@gMVAڹPH@] 1 AںLw@eAںՖ@aTAڻ^9.@bFAڻ]@` ʠAڼo@] 1 Aڼ"@dAڽC@bdAھ hs@UAھ @XAڿ)@b@AڿQY@] A+@\= A@aA=:?@YJAn@YAN@X[ A#%@SpA_T@b&^Ai@V?Aq @^ A:@`dAłRi@YA @`AƓ @VhA;O@ZAǤ@^q A-@`dAȶ$5@_% A>e@ZvAi@W8AP @YAذK@\I AaSz@XA@YAr1@YA<`@X,A̓@] A @M AΕ%F@T#Au@SAϦj@XA/,@] Aз[@ZA@S@XA@R@AQA@^5 A<@UAb@RDXA'@QTAt&W@M A@R@AՅl @R4A=@UǤA֖@UAT@PܠAק#@Q