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 = '00738728000' / Observation ID TARG_ID = '738728 ' / 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 = 508965874.19446 / Start time DATE-OBS= '2017-02-16T19:24:34.2' / Start Date TSTOP = 508966122.1453 / Stop time DATE-END= '2017-02-16T19:28:42.1' / 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 = '2017-02-16T19:29:45' / file creation date (YYYY-MM-DDThh:mm:ss UT) UTCFINIT= -18.62452 / UTCF at TSTART CHECKSUM= 'bCfHeCdGbCdGbCdG' / HDU checksum updated 2017-02-16T19:29:45 DATASUM = ' 0' / data unit checksum updated 2017-02-16T19:29:45 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 = '00738728000' / Observation ID TARG_ID = '738728 ' / 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 = '2017-02-16T19:29:45' / file creation date (YYYY-MM-DDThh:mm:ss UT) TSTART = 508965874.19446 / Start time DATE-OBS= '2017-02-16T19:24:34.2' / Start Date TSTOP = 508966122.1453 / Stop time DATE-END= '2017-02-16T19:28:42.1' / Stop Date UTCFINIT= -18.62452 / 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 = 738728 / Trigger Number XRA_OBJ = 181.470550537109 / [deg] XRT RA location GRB or Object XDEC_OBJ= 47.6468620300293 / [deg] XRT DEC location GRb or Object TERMMODE= 0 / XRT termination mode TELAPSE = 247.950839996338 / TSTOP - TSTART ONTIME = 245.580215454102 / Time on target LIVETIME= 245.580215454102 / Ontime multiplied by DEADC EXPOSURE= 245.580215454102 / Total exposure, with all known correction DEADC = 1. / dead time correction UTCCTIME= -18.62452 / [s] UTC Correction TIME UTCCSEC = -19 / UTC Correction Seconds UTCCSUBS= 18774 / [2*10**(-5) s] UTC Correction SUBSeconds PKTTIME = 508966122.24488 / [s] ccsds PacKeT TIME=PKTSEC+PKTSUBS*2e-5 PKTSEC = 508966122 / ccsds PacKeT SEConds PKTSUBS = 12244 / [2*10**(-5) s] ccsds PacKeT SUBSeconds APID = 1253 / Application Process Identifier CHECKSUM= 'XlaValZTRlaTXlWT' / HDU checksum updated 2017-02-16T19:29:45 DATASUM = '3158767899' / data unit checksum updated 2017-02-16T19:29:45 END A¾V3ò1È!A¾V3òŸv`A¾V3ó* ›@OÙ¡@A¾V3ô;eªA¾V3ùu<@#ñÀA¾V3ûöóõ@*R¹A¾V3þxÓ®@*R¹A¾V4ú³h@)†„àA¾V4|“!@,·U€A¾V4þrÚ@)†„àA¾V4€QD@'î€A¾V40ý@(ºPÀA¾V4 „g@*R¹A¾V4ï @'!è`A¾V4‡ÎÙ@(ºPÀA¾V4 C@*R¹A¾V4‹Œü@*R¹A¾V4 kf@'!è`A¾V4K@-ƒ‰ A¾V4,(@)†„àA¾V4!“ ‘@+ë!@A¾V4$êK@&U´@A¾V4&–Ê@+í A¾V4)¨m@(ºPÀA¾V4+šˆ'@-ƒ‰ A¾V4.f@'!è`A¾V40žFJ@+í A¾V43 &@'î€A¾V45¢l@*R¹A¾V48#ä&@9 jÀA¾V4:¥Ãß@'î€A¾V4='¢I@(ºPÀA¾V4?©ƒQ@+ë!@A¾V4B+a»@$½KàA¾V4DAt@*R¹A¾V4G/!-@'!è`A¾V4I°ÿ—@(ºPÀA¾V4L2ßP@*R¹A¾V4N´¿ @(ºPÀA¾V4Q6s@'!è`A¾V4S¸},@'î€A¾V4V:[–@'!è`A¾V4X¼;O@(ºPÀA¾V4[> @'î€A¾V4]¿úÂ@'î€A¾V4`AÚ{@+í A¾V4bÃ¸å@'!è`A¾V4eE˜ž@)†„àA¾V4gÇxW@)†„àA¾V4jIVÁ@'!è`A¾V4lË6z@(ºPÀA¾V4oMä@'!è`A¾V4qÎô@(ºPÀA¾V4tPÔV@(ºPÀA¾V4vÒ²À@'î€A¾V4yT’y@'!è`A¾V4{Ör2@'î€A¾V4~XQì@(ºPÀA¾V4€Ú1¥@*R¹A¾V4ƒ\@'î€A¾V4…ÝïÈ@.O½ÀA¾V4ˆ_Ï@)†„àA¾V4Šáë@*R¹A¾V4c¤@)†„àA¾V4åm]@+ë!@A¾V4’gKÇ@)†„àA¾V4”é+€@9ìžàA¾V4—k ê@(ºPÀA¾V4™ìé£@'!è`A¾V4œnÊ¬@)†„àA¾V4žð©@,·U€A¾V4¡rˆÎ@'!è`A¾V4£ôg8@'!è`A¾V4¦vFñ@(ºPÀA¾V4¨ø&«@+í A¾V4«z@)†„àA¾V4ûäÍ@+í A¾V4°}Ã7@'!è`A¾V4²ÿ¢ð@*R¹A¾V4µ‚ª@'!è`A¾V4¸bc@(ºPÀA¾V4º…B@(ºPÀA¾V4½ †@'!è`A¾V4¿‰?@&U´@A¾V4Â ßø@'!è`A¾V4ÄŒ¾b@&U´@A¾V4Çž@(ºPÀA¾V4É}Ô@/ñàA¾V4Ì\>@&U´@A¾V4Î”;÷@+í A¾V4Ña@+ë!@A¾V4Ó—ú@-ƒ‰ A¾V4ÖÙÓ@'î€A¾V4Ø›¹Œ@+í A¾V4Û™F@*R¹A¾V4ÝŸw¯@(ºPÀA¾V4à!Wi@(ºPÀA¾V4â£7"@(ºPÀA¾V4å%Œ@+ë!@A¾V4ç¦õE@'!è`