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 = '01105560000' / Observation ID TARG_ID = '1105560 ' / 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 = 673531950.80842 / Start time DATE-OBS= '2022-05-06T12:12:30.8' / Start Date TSTOP = 673532056.42706 / Stop time DATE-END= '2022-05-06T12:14:16.4' / 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 = '2022-05-06T12:13:56' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -29.08962 / UTCF at TSTART CHECKSUM= 'cIdVfGcScGcScGcS' / HDU checksum updated 2022-05-06T12:13:56 DATASUM = ' 0' / data unit checksum updated 2022-05-06T12:13:56 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 = '01105560000' / Observation ID TARG_ID = '1105560 ' / 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 = '2022-05-06T12:13:56' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 673531950.80842 / Start time DATE-OBS= '2022-05-06T12:12:30.8' / Start Date TSTOP = 673532056.42706 / Stop time DATE-END= '2022-05-06T12:14:16.4' / Stop Date UTCFINIT= -29.08962 / 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 = 1105560 / Trigger Number XRA_OBJ = 300.060211181641 / [deg] XRT RA location GRB or Object XDEC_OBJ= 34.8986968994141 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.618640065193 / 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= -29.08962 / [s] UTC Correction TIME UTCCSEC = -30 / UTC Correction Seconds UTCCSUBS= 45519 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 673532056.4448 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 673532056 / ccsds PacKeT SEConds PKTSUBS = 22240 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '5c1AAb198b1AAb19' / HDU checksum updated 2022-05-06T12:13:56 DATASUM = '3506152632' / data unit checksum updated 2022-05-06T12:13:56 END AgzNAQnA},@u|Aq \@n AË@vwAf@qrA B@o@Aq@n5 AO@o@A@r:A-W@weA8@g>A>۶@tPA~=@qyAP!l@pAĜ@yAag@lI A R@rA r@tA P@pA!@jУA" h@sA"9@uA#@rbRA#@yA$/"}@vhA$Ŭ@sA%@h@pFA% c@o١@A&Q@jA&Q@cA'b@m A'x@uA(t:@uA(@qEA)@s A*#@s1A*ƽ@spA+i@psA+ @oC A,0@qEA,R@o١@A-A@s4(A-ʘ@x=&A.S;@tA.@|aA/d@| dA/$@zA0u@rqOA0j@tA1,@raA2@qEA2S@kgA3 @g>A3@m A42<@p띠A4@o@A5C'@u@A5%@|@ A6T@~ A6l @x/A7f=@|)^A7@zߠA8wT@x=&A8#@t#A9R@zߠA:=@vA: @o١@A;"8@hA;&@t#A<3@o@AVV@rFA>3@uOA?gc@pA?>@vA@x@s.AAI@qEAA'@kmAB@s1ABn/@spAC$^@zIAC@sAD5W@o@ADD@k AEFs@mF% AE?@qyAFW*@s%+AFY@pܠAGi)@t}AG@q|AHzo?@rLAIo@tAAI@qpAJX%@xAJU@sAK%@kgAKA @s