! Swift/XRT hardness ratio of trigger: 512164, name: GRB 120121A ! T0 for this burst is Swift MET=348831747.072 s, = 2012 Jan 21 at 09:42:19.266 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 885.257 6545.017 -755.155 0.053728 0.004096 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 885.257 6545.017 -755.155 0.004045 0.001218 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 885.257 6545.017 -755.155 13.284217 4.126513