! Swift/XRT hardness ratio of trigger: 568855, name: GRB 130831B ! T0 for this burst is Swift MET=399649710.656 s, = 2013 Aug 31 at 13:48:19.680 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 172.450 34.328 -35.877 1.436579 0.288759 258.451 73.693 -51.673 0.639345 0.144542 382.479 59.986 -50.336 0.721338 0.162566 470.086 25.033 -27.621 1.671813 0.358468 536.345 36.501 -41.226 1.025766 0.230811 607.461 30.575 -34.616 1.234851 0.276987 672.342 40.914 -34.306 1.061753 0.239284 772.881 80.784 -59.626 0.568690 0.128366 945.039 71.601 -91.374 0.806301 0.141565 1182.394 177.742 -165.754 0.437584 0.072052 5222.659 129.850 -118.374 0.122671 0.027703 5534.073 181.995 -181.565 0.128332 0.028977 5818.274 113.423 -102.205 0.122919 0.030805 6193.593 186.913 -261.895 0.139082 0.024859 24053.069 3911.886 -1503.514 0.032220 0.007141 28645.056 841.829 -680.101 0.026091 0.004769 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 172.450 34.328 -35.877 1.151969 0.259208 258.451 73.693 -51.673 1.220690 0.198676 382.479 59.986 -50.336 1.226598 0.212311 470.086 25.033 -27.621 1.595306 0.350208 536.345 36.501 -41.226 1.340748 0.263576 607.461 30.575 -34.616 1.352738 0.290467 672.342 40.914 -34.306 1.333285 0.267997 772.881 80.784 -59.626 1.112532 0.179152 945.039 71.601 -91.374 0.487769 0.110624 1182.394 177.742 -165.754 0.686221 0.089910 5222.659 129.850 -118.374 0.169144 0.035544 5534.073 181.995 -181.565 0.175201 0.034159 5818.274 113.423 -102.205 0.127764 0.032098 6193.593 186.913 -261.895 0.151401 0.025808 24053.069 3911.886 -1503.514 0.024170 0.006392 28645.056 841.829 -680.101 0.021021 0.004282 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 172.450 34.328 -35.877 1.247064 0.376262 258.451 73.693 -51.673 0.523757 0.145903 382.479 59.986 -50.336 0.588080 0.167112 470.086 25.033 -27.621 1.047958 0.321582 536.345 36.501 -41.226 0.765070 0.228599 607.461 30.575 -34.616 0.912853 0.283457 672.342 40.914 -34.306 0.796344 0.240482 772.881 80.784 -59.626 0.511168 0.141734 945.039 71.601 -91.374 1.653037 0.474114 1182.394 177.742 -165.754 0.637671 0.134182 5222.659 129.850 -118.374 0.725246 0.223722 5534.073 181.995 -181.565 0.732484 0.218518 5818.274 113.423 -102.205 0.962079 0.341398 6193.593 186.913 -261.895 0.918632 0.226889 24053.069 3911.886 -1503.514 1.333032 0.459951 28645.056 841.829 -680.101 1.241180 0.339691