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 = '01006906000' / Observation ID TARG_ID = '1006906 ' / 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 = 627260526.3945 / Start time DATE-OBS= '2020-11-16T23:02:06.4' / Start Date TSTOP = 627260631.99176 / Stop time DATE-END= '2020-11-16T23:03:52.0' / 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 = '2020-11-16T23:03:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -25.99436 / UTCF at TSTART CHECKSUM= 'lGfToGeRlGeRlGeR' / HDU checksum updated 2020-11-16T23:03:33 DATASUM = ' 0' / data unit checksum updated 2020-11-16T23:03:33 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 = '01006906000' / Observation ID TARG_ID = '1006906 ' / 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 = '2020-11-16T23:03:33' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 627260526.3945 / Start time DATE-OBS= '2020-11-16T23:02:06.4' / Start Date TSTOP = 627260631.99176 / Stop time DATE-END= '2020-11-16T23:03:52.0' / Stop Date UTCFINIT= -25.99436 / 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 = 1006906 / Trigger Number XRA_OBJ = 85.7926635742188 / [deg] XRT RA location GRB or Object XDEC_OBJ= 25.2367458343506 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 105.597259998322 / 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= -25.99436 / [s] UTC Correction TIME UTCCSEC = -26 / UTC Correction Seconds UTCCSUBS= 282 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 627260632.061 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 627260632 / ccsds PacKeT SEConds PKTSUBS = 3050 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9ljKDkiJ9kiJCkiJ' / HDU checksum updated 2020-11-16T23:03:33 DATASUM = '3324739764' / data unit checksum updated 2020-11-16T23:03:33 END A±72~A±7iVA±7@`A±89m @A±88@`A±9J@)@A±9UG@ A±:[w@ߠA±:䛦@KA±;m>-@A±;]@NA±<~@?A±='@\SA±=@A±>mr@`A±>@A±?))@jA±?VX@ǠA±@:@`A±@Ü@W;@A±AL?>@< A±Am@`A±B]@A±B($@KA±CnS@`A±Cm@T`A±Db@`A±E@vA±EV@2A±F@e`A±Fx@A±G+?@G@A±G@1A±H<@zA±H)5@A±IM@!A±InD@A±J_s@ A±J索@ A±KpW*@A±KY@L A±L@XA±M @@ǠA±M?@~`A±N@A±N(@RoA±O,%@A±On@;A±P>@HA±PƵ @ A±QOX:@"A±Q@8A±R`@NA±RA @^A±SqP@XA±S@ A±T)_@ A±U ̎@4 A±Uo@ A±V@dA±Vt@ŋA±W.X@A±W@kPA±X?@r`A±X@@[mA±YP@ A±Yه@@G `A±Zb*o@.vA±Z@2A±[sp&@lРA±[U@ `A±\@qA±] Y @A±]@ʠA±^@2A±^A@@A±_/!@`A±_@:MA±`A*@щ@A±`@ A±aRq7@{ZA±a@KA±bc@@A±bYu@,@A±ct@֡A±c,@PA±dB[@۔A±e@BA±e@ A±f +A@+ A±fp@GX A±g1q@A±g'@A±hB@?@ A±hY@s A±iS @:A±iܠ<@`A±jeCl@ A±j@|A±kv"@d