! 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 ! WT -- hard data !Time Err (pos) Err(neg) Rate Error 116.653 8.447 -7.516 10.220046 0.856561 134.119 9.775 -9.020 6.834354 0.663464 NO NO NO NO NO ! WT -- soft data !Time Err (pos) Err(neg) Rate Error 116.653 8.447 -7.516 2.625967 0.432355 134.119 9.775 -9.020 1.713639 0.345971 NO NO NO NO NO ! WT -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 116.653 8.447 -7.516 3.891917 0.717333 134.119 9.775 -9.020 3.988210 0.891589 NO NO NO NO NO ! PC -- hard data !Time Err (pos) Err(neg) Rate Error 186.345 26.097 -26.556 3.266623 0.488047 323.140 222.776 -110.697 0.618015 0.079528 675.853 168.435 -129.937 0.086889 0.019212 1175.761 503.454 -331.473 0.060426 0.009550 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 186.345 26.097 -26.556 1.449124 0.325012 323.140 222.776 -110.697 0.181151 0.040963 675.853 168.435 -129.937 0.083152 0.018752 1175.761 503.454 -331.473 0.036746 0.007482 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 186.345 26.097 -26.556 2.254204 0.607481 323.140 222.776 -110.697 3.411602 0.887621 675.853 168.435 -129.937 1.044944 0.330024 1175.761 503.454 -331.473 1.644416 0.423864