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 = '00763539000' / Observation ID TARG_ID = '763539 ' / 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 = 522218628.6086 / Start time DATE-OBS= '2017-07-20T04:43:48.6' / Start Date TSTOP = 522218872.2574 / Stop time DATE-END= '2017-07-20T04:47:52.3' / 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 = '2017-07-20T04:49:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -19.39658 / UTCF at TSTART CHECKSUM= 'nDdHpCaHnCaHnCaH' / HDU checksum updated 2017-07-20T04:49:34 DATASUM = ' 0' / data unit checksum updated 2017-07-20T04:49:34 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 = '00763539000' / Observation ID TARG_ID = '763539 ' / 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 = '2017-07-20T04:49:34' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 522218628.6086 / Start time DATE-OBS= '2017-07-20T04:43:48.6' / Start Date TSTOP = 522218872.2574 / Stop time DATE-END= '2017-07-20T04:47:52.3' / Stop Date UTCFINIT= -19.39658 / 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 = 763539 / Trigger Number XRA_OBJ = 185.343292236328 / [deg] XRT RA location GRB or Object XDEC_OBJ= 5.0347695350647 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 243.648799955845 / TSTOP - TSTART ONTIME = 241.260833740234 / Time on target LIVETIME= 241.260833740234 / Ontime multiplied by DEADC EXPOSURE= 241.260833740234 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -19.39658 / [s] UTC Correction TIME UTCCSEC = -20 / UTC Correction Seconds UTCCSUBS= 30171 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 522218872.32484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 522218872 / ccsds PacKeT SEConds PKTSUBS = 16242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'GbTEJaTDGaTDGaTD' / HDU checksum updated 2017-07-20T04:49:34 DATASUM = '3563282588' / data unit checksum updated 2017-07-20T04:49:34 END A l6A l {tA lH@UǤA l@1pA l@,aA lv@ApA l`A l=\@/A l@1&a@A l@1&a@A l܇@0G A lA@0Z- A l@.OA l"{@/A l[l@/& A l&;%@1`A l@6@A l)@0G A lQ@0Z- A l- @,UA l@0Z- A l1y}@.OA lY6@/A l5:?@0Z- A l@0Z- A l8b@1{@A l@0G A l<@0Z- A lþ@.OA l@wG@0G A lW@1{@A lD6@/A lr@/A lG+@1&a@A l4@0Z- A lK@-A l͕W@-A lOu@/A lT@0Z- A lS5@/& A l@0Z- A lV@1{@A lӮ@1{@A lZh@/& A lܔp@/& A l^t*@2XA lS@1&a@A lb2M@-A l@.OA le@/A l@,UA li@/& A l:@0G A mmp@-A mP]@3$A mq1f@0Z- A m @-A m t@0Z- A mБ@1`A mxK@/A m@1&a@A m|o@/& A mOv@1{@A m/0@/A m@/A m @.OA m#[@/& A m%@1&a@A m( @.OA m*m@.OA m- M@@1&a@A m/.I@/A m2 @/A m4l@1&a@A m7%@/& A m9@/& A m<@-A m>l@.OA mALY@.OA mC*@.OA mF |@0Z- A mH6@/& A mK#>@/& A mM@0Z- A mP'@1&a@A mRjj@-A mU+H@0G A mW)@-A mZ/ @3$A m\O@+ A m_2@-A ma@+ A md6{@0Z- A mfh4@1&a@A mi:G@/& A mk'@/& A mn>_@0G A mp@/& A msA!@0G A muç@/