! Swift/XRT hardness ratio of trigger: 1165948, name: GRB 230427A ! T0 for this burst is Swift MET=704284343.168 s, = 2023 Apr 27 at 10:31:51.988 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 247.628 245.995 -145.147 0.134413 0.030418 764.619 451.105 -270.996 0.052782 0.009498 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 247.628 245.995 -145.147 0.646349 0.083450 764.619 451.105 -270.996 0.101839 0.013170 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 247.628 245.995 -145.147 0.207958 0.054181 764.619 451.105 -270.996 0.518288 0.114851