! Swift/XRT hardness ratio of trigger: 1156572, name: GRB 230228A ! T0 for this burst is Swift MET=699256281.088 s, = 2023 Feb 28 at 05:50:50.250 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 228.069 105.095 -100.505 0.249368 0.051419 411.879 69.217 -78.715 0.177221 0.039986 570.865 98.281 -89.768 0.142599 0.030652 771.671 115.611 -102.526 0.101253 0.024166 1020.886 157.245 -133.604 0.082454 0.018838 1462.570 390.018 -284.439 0.051629 0.009838 8421.295 21138.151 -3139.430 0.006073 0.001576 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 228.069 105.095 -100.505 0.208649 0.047121 411.879 69.217 -78.715 0.187364 0.040357 570.865 98.281 -89.768 0.129013 0.029241 771.671 115.611 -102.526 0.089117 0.022692 1020.886 157.245 -133.604 0.087072 0.019436 1462.570 390.018 -284.439 0.053032 0.009988 8421.295 21138.151 -3139.430 0.009532 0.001991 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 228.069 105.095 -100.505 1.195158 0.365492 411.879 69.217 -78.715 0.945863 0.295047 570.865 98.281 -89.768 1.105307 0.345266 771.671 115.611 -102.526 1.136175 0.396528 1020.886 157.245 -133.604 0.946960 0.302469 1462.570 390.018 -284.439 0.973548 0.260833 8421.295 21138.151 -3139.430 0.637090 0.212190