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 = '01088940000' / Observation ID TARG_ID = '1088940 ' / 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 = 660921109.8092 / Start time DATE-OBS= '2021-12-11T13:11:49.8' / Start Date TSTOP = 660921215.42858 / Stop time DATE-END= '2021-12-11T13:13:35.4' / 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 = '2021-12-11T13:13:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -28.23774 / UTCF at TSTART CHECKSUM= 'iHjWlFgTiFgTiFgT' / HDU checksum updated 2021-12-11T13:13:13 DATASUM = ' 0' / data unit checksum updated 2021-12-11T13:13:13 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 = '01088940000' / Observation ID TARG_ID = '1088940 ' / 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 = '2021-12-11T13:13:13' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 660921109.8092 / Start time DATE-OBS= '2021-12-11T13:11:49.8' / Start Date TSTOP = 660921215.42858 / Stop time DATE-END= '2021-12-11T13:13:35.4' / Stop Date UTCFINIT= -28.23774 / 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 = 1088940 / Trigger Number XRA_OBJ = 212.283294677734 / [deg] XRT RA location GRB or Object XDEC_OBJ= 27.8984966278076 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.619379997253 / 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= -28.23774 / [s] UTC Correction TIME UTCCSEC = -29 / UTC Correction Seconds UTCCSUBS= 38113 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 660921215.54164 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 660921215 / ccsds PacKeT SEConds PKTSUBS = 27082 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'OiVMPZULOfULOZUL' / HDU checksum updated 2021-12-11T13:13:13 DATASUM = '3462941786' / data unit checksum updated 2021-12-11T13:13:13 END AÃ²mŠç“ÞAÃ²m‹jýAÃ²m‹hñ@”Iq@AÃ²m‹ñA @–ëê`AÃ²mŒyäP@•|³ÀAÃ²mˆ'@“¾ÍAÃ²m‹*®@‘M AÃ²mŽÍÝ@ÂeàAÃ²mŽœq @Ž°@AÃ²m%<@Œì7 AÃ²m·k@‹2€AÃ²m6Z›@Žˆd AÃ²m¾ýÊ@ŒŠÊ AÃ²m‘G ù@‚ AÃ²m‘ÐD(@M£ AÃ²m’XçX@Œ¡F AÃ²m’áŠ‡@ŽÓU AÃ²m“j-¶@ŠB?€AÃ²m“òÐå@ŠB?€AÃ²m”{t@Š ÊAÃ²m•D@ˆ/àAÃ²m•Œºs@Šo6€AÃ²m–]¢@>¦ AÃ²m–žÒ@‰JñAÃ²m—&¤@ˆ®`AÃ²m—¯G0@‰³ÜAÃ²m˜7ë@‹‹ý€AÃ²m˜À@‚ AÃ²m™I0¾@‡ù´`AÃ²m™ÑÓí@‡Ûº`AÃ²mšZw@„ýM@AÃ²mšãL@‚¼@ AÃ²m›k½{@‚‡Ë AÃ²m›ô`ª@ƒïƒ@AÃ²mœ}Ú@ƒ³@AÃ²m§ @„×ÔÀAÃ²mŽJà@„#øÀAÃ²mžíg@ƒR"ÀAÃ²mžŸ—@‚é7ÀAÃ²mŸ(3Æ@‚¥Å AÃ²mŸ°Öõ@„¹ÚÀAÃ²m 9zÌ@ƒÑ‰@AÃ²m ÂT@‚€L AÃ²m¡JÀƒ@ƒ³@AÃ²m¡Óc²@Ûm AÃ²m¢\â@~€æ AÃ²m¢äª@€·( AÃ²m£mM@@÷›@AÃ²m£õðo@€Í£ AÃ²m¤~“Ÿ@®v AÃ²m¥6Î@ƒÙÀAÃ²m¥Ú¥@z AÃ²m¦},@{ügAÃ²m¦¡ \@zÐ£AÃ²m§)Ã‹@zÁ¦AÃ²m§²fº@y;ôAÃ²m¨; ‘@}. 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