! Swift/XRT hardness ratio of trigger: 375409, name: GRB 091109B ! T0 for this burst is Swift MET=279496148.16 s, = 2009 Nov 09 at 21:49:02.914 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 333.538 939.087 -246.866 0.047566 0.008997 6895.963 5305.379 -2304.126 0.005334 0.001454 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 333.538 939.087 -246.866 0.030816 0.007257 6895.963 5305.379 -2304.126 0.009299 0.001929 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 333.538 939.087 -246.866 1.543531 0.466228 6895.963 5305.379 -2304.126 0.573620 0.196531