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 = '00846740000' / Observation ID TARG_ID = '846740 ' / 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 = 552749812.00938 / Start time DATE-OBS= '2018-07-08T13:36:52.0' / Start Date TSTOP = 552750048.4375 / Stop time DATE-END= '2018-07-08T13:40:48.4' / 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 = '2018-07-08T13:44:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -21.23094 / UTCF at TSTART CHECKSUM= 'kGcQm9bQkGbQk9bQ' / HDU checksum updated 2018-07-08T13:44:10 DATASUM = ' 0' / data unit checksum updated 2018-07-08T13:44:10 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 = '00846740000' / Observation ID TARG_ID = '846740 ' / 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 = '2018-07-08T13:44:10' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 552749812.00938 / Start time DATE-OBS= '2018-07-08T13:36:52.0' / Start Date TSTOP = 552750048.4375 / Stop time DATE-END= '2018-07-08T13:40:48.4' / Stop Date UTCFINIT= -21.23094 / 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 = 846740 / Trigger Number XRA_OBJ = 198.95671081543 / [deg] XRT RA location GRB or Object XDEC_OBJ= 41.8956527709961 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 236.428120017052 / TSTOP - TSTART ONTIME = 234.06184387207 / Time on target LIVETIME= 234.06184387207 / Ontime multiplied by DEADC EXPOSURE= 234.06184387207 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -21.23094 / [s] UTC Correction TIME UTCCSEC = -22 / UTC Correction Seconds UTCCSUBS= 38453 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 552750048.52484 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 552750048 / ccsds PacKeT SEConds PKTSUBS = 26242 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= '9qHhAnFf9nFfAnFf' / HDU checksum updated 2018-07-08T13:44:10 DATASUM = '2325290476' / data unit checksum updated 2018-07-08T13:44:10 END Ay%z3]Ay%z8 |Ay%z|L@TAy%{{@&{Ay%{C@ ܠAy%|2@:Ay%|a@*:Ay%}(,@2@Ay%}@4Ay%~9r@0ܠAy%~@H[ Ay%JAy%\)@*RAy%(K^@/& Ay%i;:@0Z- Ay%+@)Ay%@-Ay%, x@)Ay%lU@,UAy%1@1&a@Ay%@+ Ay%/@1`Ay%p@+ Ay%@)Ay%@-Ay%3]@+!@Ay%tz:@+!@Ay%j@*RAy%Y@)Ay%7Jw@/Ay%x:T@*RAy%)@+!@Ay%e@+ Ay%; B@.OAy%{@(PAy%@3Ay%@5#fAy%>\@(PAy%9@(PAy%@/Ay%J@*RAy%B'@+ Ay%x@+ Ay%g@(PAy%Xd@*RAy%FHA@/& Ay%8@,UAy%'@*RAy% /@'Ay%J @+!@Ay%@*RAy%m@)Ay% I@*RAy%M&@+ Ay%@.OAy%Ϧ@+ Ay%@/Ay%Q@-Ay%u@+!@Ay%fQ@(PAy%V.@-Ay%UF @*RAy%5@)Ay%%@)Ay%@*RAy%Y@-Ay%řZ@+ Ay%6@,UAy%@*RAy%\@-Ay%ʝ@,UAy%ޤ@+ Ay%@+ Ay%`b@+ Ay%ϡt?@(PAy%d@,UAy%#S@,UAy%dC@)Ay%ԥ3@0Z- Ay%#@+ Ay%'j@.OAy%h@*RAy%٨#@*RAy%@+ Ay%*@+ Ay%k¹@)Ay%ެ@+ Ay%s@-Ay%.O@.OAy%o@6U@Ay%r@(PAy%a@-Ay%2Q@,UAy%sA@)Ay%1{@+!@Ay%!W@*RAy%64@(PAy%w@'Ay%@)Ay%@)