! Swift/XRT hardness ratio of trigger: 517489, name: GRB 120311B ! T0 for this burst is Swift MET=353171298.816 s, = 2012 Mar 11 at 15:08:10.835 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 3305.169 196.183 -222.539 0.056154 0.012989 3712.715 174.763 -211.364 0.063264 0.014273 4088.100 253.202 -200.622 0.072907 0.014136 4522.302 230.199 -181.000 0.058786 0.013338 5248.823 383.731 -496.322 0.085191 0.011016 9186.305 350.205 -346.829 0.060300 0.010630 9740.957 274.450 -204.447 0.042378 0.010774 10703.767 708.200 -688.360 0.034295 0.005687 15076.811 445.589 -394.361 0.023033 0.006041 16275.750 901.463 -753.350 0.025950 0.004563 20933.858 582.924 -540.353 0.020736 0.004944 22240.162 698.267 -723.380 0.016445 0.003921 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 3305.169 196.183 -222.539 0.067127 0.014231 3712.715 174.763 -211.364 0.053682 0.013175 4088.100 253.202 -200.622 0.042587 0.010858 4522.302 230.199 -181.000 0.049763 0.012278 5248.823 383.731 -496.322 0.038349 0.007491 9186.305 350.205 -346.829 0.030727 0.007632 9740.957 274.450 -204.447 0.039522 0.010431 10703.767 708.200 -688.360 0.020344 0.004421 15076.811 445.589 -394.361 0.026217 0.006490 16275.750 901.463 -753.350 0.018430 0.003909 20933.858 582.924 -540.353 0.017210 0.004532 22240.162 698.267 -723.380 0.013349 0.003557 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 3305.169 196.183 -222.539 0.836536 0.262475 3712.715 174.763 -211.364 1.178485 0.392870 4088.100 253.202 -200.622 1.711972 0.548357 4522.302 230.199 -181.000 1.181308 0.395964 5248.823 383.731 -496.322 2.221483 0.520410 9186.305 350.205 -346.829 1.962437 0.597713 9740.957 274.450 -204.447 1.072271 0.392942 10703.767 708.200 -688.360 1.685747 0.460830 15076.811 445.589 -394.361 0.878558 0.316839 16275.750 901.463 -753.350 1.408027 0.387912 20933.858 582.924 -540.353 1.204890 0.428031 22240.162 698.267 -723.380 1.231945 0.440497