! Swift/XRT hardness ratio of trigger: 14850, name: GRB 210928A ! T0 for this burst is Swift MET=654487258.870000005 s, = 2021 Sep 28 at 02:00:31.065 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 70393.434 4005.687 -3018.676 0.013463 0.003112 142037.519 488802.725 -63178.217 0.003869 0.000738 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 70393.434 4005.687 -3018.676 0.010501 0.002758 142037.519 488802.725 -63178.217 0.001575 0.000511 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 70393.434 4005.687 -3018.676 1.282085 0.448606 142037.519 488802.725 -63178.217 2.456036 0.924380