! Swift/XRT hardness ratio of trigger: 948361, name: GRB 200109A ! T0 for this burst is Swift MET=600227200.448 s, = 2020 Jan 09 at 01:46:16.218 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 186.310 26.133 -26.521 3.187483 0.481629 323.140 222.776 -110.697 0.618857 0.079636 675.853 168.435 -129.937 0.086820 0.019197 991.217 199.081 -146.929 0.068017 0.015709 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 186.310 26.133 -26.521 1.444931 0.324071 323.140 222.776 -110.697 0.181885 0.041129 675.853 168.435 -129.937 0.083097 0.018740 991.217 199.081 -146.929 0.053760 0.013999 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 186.310 26.133 -26.521 2.205976 0.596566 323.140 222.776 -110.697 3.402463 0.885242 675.853 168.435 -129.937 1.044807 0.329981 991.217 199.081 -146.929 1.265214 0.440381