! Swift/XRT lightcurve of trigger: 668543, name: GRB 151228A ! T0 for this burst is Swift MET=472964728.0 s, = 2015 Dec 28 at 03:05:12.385 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/00668543 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 399835.211 70654.555 -221260.604 1.082952e-03 4.389606e-04 -3.585658e-04