! Swift/XRT hardness ratio of trigger: 853824, name: GRB 180818A ! T0 for this burst is Swift MET=556254745.472 s, = 2018 Aug 18 at 03:12:04.026 UT ! The hard band is 1.51-10 keV ! The soft band is 0.3-1.5 keV ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379 ! There are 3 datasets: Hard, Soft, and the ratio ! Columns are as labelled ! BINMODE: GRB-like (counts) READ TERR 1 READ SERR 2 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 239.067 161.523 -129.326 0.101142 0.022818 632.224 302.423 -231.635 0.064288 0.012257 1245.767 368.355 -311.119 0.035550 0.008132 6078.197 1275.071 -1019.060 0.015466 0.003012 13532.020 5281.558 -2361.545 0.006503 0.001588 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 239.067 161.523 -129.326 0.162164 0.032546 632.224 302.423 -231.635 0.043281 0.010072 1245.767 368.355 -311.119 0.028303 0.007259 6078.197 1275.071 -1019.060 0.013763 0.002906 13532.020 5281.558 -2361.545 0.005622 0.001425 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 239.067 161.523 -129.326 0.623698 0.188329 632.224 302.423 -231.635 1.485364 0.446868 1245.767 368.355 -311.119 1.256062 0.431660 6078.197 1275.071 -1019.060 1.123731 0.322796 13532.020 5281.558 -2361.545 1.156725 0.407051