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 = '01061554000' / Observation ID TARG_ID = '1061554 ' / 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 = 648907369.00948 / Start time DATE-OBS= '2021-07-25T12:02:49.0' / Start Date TSTOP = 648907527.61606 / Stop time DATE-END= '2021-07-25T12:05:27.6' / 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 = '2021-07-25T12:18:50' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -27.43142 / UTCF at TSTART CHECKSUM= 'eHaRgHVReHaReHUR' / HDU checksum updated 2021-07-25T12:18:50 DATASUM = ' 0' / data unit checksum updated 2021-07-25T12:18:50 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 = '01061554000' / Observation ID TARG_ID = '1061554 ' / 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 = '2021-07-25T12:18:50' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 648907369.00948 / Start time DATE-OBS= '2021-07-25T12:02:49.0' / Start Date TSTOP = 648907527.61606 / Stop time DATE-END= '2021-07-25T12:05:27.6' / Stop Date UTCFINIT= -27.43142 / 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 = 1061554 / Trigger Number XRA_OBJ = 192.924087524414 / [deg] XRT RA location GRB or Object XDEC_OBJ= 17.1358947753906 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 158.606580018997 / TSTOP - TSTART ONTIME = 156.312774658203 / Time on target LIVETIME= 156.312774658203 / Ontime multiplied by DEADC EXPOSURE= 156.312774658203 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -27.43142 / [s] UTC Correction TIME UTCCSEC = -28 / UTC Correction Seconds UTCCSUBS= 28429 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 648907527.73666 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 648907527 / ccsds PacKeT SEConds PKTSUBS = 36833 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '7V7R8T7R7T7R7T7R' / HDU checksum updated 2021-07-25T12:18:50 DATASUM = '934810528' / data unit checksum updated 2021-07-25T12:18:50 END A肰򴑎A肰4 A肰5u@] 1 A肰5埩鼲$涏A肰6e,@0軤A肰6[@7kPA肰7"珚@K*A肰7玁篅LaA肰83馎@2粿A肰8紨p@3A肰9E7燖,aA肰9挖螥*:A肰:V}兀5嫲A肰: 咢>檠 A肰;g玫@0軤A肰;餱銨F骽A肰蝥@8[ A肰>洊袬 軤A肰?$:@8[ A肰?/@F{A肰臔5稝F骽A肰臔"鍬CA肰臕F@2粿A肰臕蟟D@ 軤A肰臖X t@ZvA肰臖喈鸃CA肰臗iR*@:A肰臗聃Z@*:A肰臘z槈@([ A肰臙;窣7kPA肰臙嬣@@F樴A肰臚乷@"粿A肰臚$濦 軤A肰臛%俏@4涏A肰臛甹鼲<aA肰臜7 凘 A肰臜堪碄8[ A肰臝HS鉆*:A肰臝绪@E壤A肰臞Y櫄@3A肰臞<葽{A肰臟j啉@$涏A肰臟髢'@$涏A肰臠|&W@"粿A肰臡绒@AT垹A肰臡峫礍7kPA肰臢銨F{A肰臢灣@&{A肰臤'VC@@軤A肰臤薂:A肰臥8淂@C4(A肰臥?)@;*A肰臦I釾@:A肰臦覅園([ A肰臨[(@  A肰臨闼>@1蘰A肰臩lnn@<aA肰臩滰= 1 A肰臫}刺@Nq A肰臮WT@([ A肰臮廁傽"粿A肰臯澆@P牞A肰臯燖? A肰臲0蝡@'A肰臵q綧@1寋@A肰臶伯)@.O嚼A肰臷鬄@/& A肰臹4帄@,稶A肰臺u~g@+!@A肰臽秐D@,稶A肰臿鱚 @+ A肰與8M鼲*RA肰興y=貮)唲A肰舉-禓'A肰舊揁'A肰舎< o@.O嚼A肰舏|齃@/& A肰舑巾)@+!@A肰舓@+!@A肰舖?蛫@(篜A肰舗絝@,稶A肰舘镰C@-儔A肰舚@-儔A肰舝C岦@/& A肰舠剕貮+!@A肰舤舕礍,稶A肰舦\扏,稶A肰舧GLn@/襦A肰舩