! Swift/XRT lightcurve of trigger: 118749, name: GRB 050509B ! T0 for this burst is Swift MET=137304018.752 s, = 2005 May 09 at 04:00:19.238 UT ! Data covers 0.3-10 keV ! The data are in 5 columns: "; ! time, time error (+ve), time error (-ve), source count-rate, source error ! For a detailed description of light curve production, see Evans et al. 2007 (A&A, 469, 379 ) ! For a detailed description of the file, see ! http://www.swift.ac.uk/xrt_curves/docs.php ! This lightcurve was obtained from http://www.swift.ac.uk/xrt_curves/00118749 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 270.673 1430.804 -208.970 1.090265e-02 3.022685e-03 -3.022685e-03