! Swift/XRT hardness ratio of trigger: 345551, name: GRB 090307 ! T0 for this burst is Swift MET=258090402.432 s, = 2009 Mar 07 at 03:46:37.878 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 396.450 412.534 -261.930 0.066822 0.011250 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 396.450 412.534 -261.930 0.053400 0.010084 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 396.450 412.534 -261.930 1.251349 0.316593