! Swift/XRT lightcurve of trigger: 353728, name: GRB 090531B ! T0 for this burst is Swift MET=265487760.96 s, = 2009 May 31 at 18:35:56.172 UT ! Data covers 0.3-10 keV ! The data are in 5 columns: "; ! time, time error (+ve), time error (-ve), source flux, 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/00353728 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Flux Fluxpos Fluxneg 6112.497 26524.998 -2309.332 3.258194003e-13 6.50770418e-14 -6.50770418e-14 NO NO NO NO NO ! PC upper limits 76591.334 38945.742 -4042.789 1.3076803e-13 0 0