! Swift/XRT hardness ratio of trigger: 20147, name: GRB 100909A ! T0 for this burst is Swift MET=305715840 s, = 2010 Sep 09 at 09:03:53.840 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 15059.749 4955.432 -3308.888 0.006180 0.001280 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 15059.749 4955.432 -3308.888 0.004445 0.001095 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 15059.749 4955.432 -3308.888 1.390397 0.447529