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 = '00952164000' / Observation ID TARG_ID = '952164 ' / 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 = 601644850.39308 / Start time DATE-OBS= '2020-01-25T11:34:10.4' / Start Date TSTOP = 601644956.55864 / Stop time DATE-END= '2020-01-25T11:35:56.6' / 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 = '2020-01-25T11:35:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -24.32172 / UTCF at TSTART CHECKSUM= 'fJfQhJdPfJdPfJdP' / HDU checksum updated 2020-01-25T11:35:39 DATASUM = ' 0' / data unit checksum updated 2020-01-25T11:35:39 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 = '00952164000' / Observation ID TARG_ID = '952164 ' / 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 = '2020-01-25T11:35:39' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 601644850.39308 / Start time DATE-OBS= '2020-01-25T11:34:10.4' / Start Date TSTOP = 601644956.55864 / Stop time DATE-END= '2020-01-25T11:35:56.6' / Stop Date UTCFINIT= -24.32172 / 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 = 952164 / Trigger Number XRA_OBJ = 228.075408935547 / [deg] XRT RA location GRB or Object XDEC_OBJ= -8.15183925628662 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 106.165560007095 / TSTOP - TSTART ONTIME = 107.054740905762 / Time on target LIVETIME= 107.054740905762 / Ontime multiplied by DEADC EXPOSURE= 107.054740905762 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -24.32172 / [s] UTC Correction TIME UTCCSEC = -25 / UTC Correction Seconds UTCCSUBS= 33914 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 601644956.64494 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 601644956 / ccsds PacKeT SEConds PKTSUBS = 32247 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'LfGPOdEOLdEOLdEO' / HDU checksum updated 2020-01-25T11:35:39 DATASUM = '2930137224' / data unit checksum updated 2020-01-25T11:35:39 END A/2PrA/p@iA/R@kgA/@n A/ @cA/;@iA/@gJA/@cA/-%F@h2A/@`dA/>j@dA/,@] A/O[@eA/S@gMVA/`j@g8A/陚@k*A/r<@lC A/@kfA/'@m A/ &W@kfA/@jA/l @kgA/=@h=&A/.l@dA/U@jvA/?#@gDA/țR@hyA/Q>@h2A/@dA/b@dA/(@bLA/sʗ@f]A/m@bFA/M@` ʠA/ }@eA/V@` ʠA/3@`A/c@`dA/0?@cA/@]F% A/A@\= A/) @`A/R˧@ftA/n@aA/d@pܠA/5@bFA/uXd@arA/@jA/@b4A/AJ@hA/z@oC A/ @r7A/)@w _A/1̸@o١@A/o@y;A/C@zA/˶F@@A/TYu@xyA/@xA/e,@yA/B[@| dA/v@~& A/@@A/+A@  A/p@mA/q@@A/"@ A/@Z A/3[-@yA/@@A/D@ }@A/D@A/UC@A/މ@CA/g,R@R"A/ρ@K A/xr@6A/@(ĠA/‰@~ A/[@J@A/Ú@A/#@e@A/ĬE$@ A/4S@w@A/Ž@#A/F. @e@A/9@K A/Wti@ A/@ÿ A/h@SUA/]O@2@A/z~@A/@,@A/ʋF5@;@A/d@ A/˜@{4 A/%/@A/̭J@\ A/6uy@bRA/Ϳ@v