! Swift/XRT detailed 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 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379 ! BINMODE: GRB-like (counts) READ TERR 1 2 READ SERR 3 !Time T_+ve T_-ve Rate Ratepos Rateneg BGrate BGerr FracExp ! PC data 6112.497 26524.998 -2309.332 6.635833e-03 1.325398e-03 -1.325398e-03 2.643129e-04 1.508513e-05 0.197302 NO NO NO NO NO ! PC upper limits 76591.334 38945.742 -4042.789 2.6633e-03 0.0000e+00 0.0000e+00 1.0256e-04 5.6286e-06 0.1253