! Swift/XRT hardness ratio of trigger: 362633, name: GRB 090912 ! T0 for this burst is Swift MET=274463434.944 s, = 2009 Sep 12 at 15:50:29.865 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 947.694 177.138 -141.290 0.479107 0.062141 1275.730 144.964 -150.898 0.320666 0.052932 1756.430 426.485 -335.736 0.271253 0.029529 6864.276 216.030 -177.617 0.071798 0.015101 7281.513 187.426 -201.207 0.060153 0.013994 7875.302 388.449 -406.363 0.067102 0.010364 18646.576 551.627 -478.876 0.044744 0.007446 19731.826 726.940 -533.623 0.028184 0.005402 24294.424 416.865 -340.342 0.041925 0.008474 25148.426 437.914 -437.138 0.040594 0.007794 25935.791 309.963 -349.451 0.032642 0.008021 30960.501 1069.149 -1247.603 0.022814 0.004298 36654.468 1153.214 -1086.907 0.024588 0.003988 42323.701 1244.089 -955.338 0.019818 0.003665 48046.043 1318.960 -894.104 0.023487 0.003812 54118.106 1034.457 -1181.996 0.019606 0.003412 60328.157 4540.320 -1609.424 0.016676 0.002991 65687.626 1024.665 -819.149 0.012181 0.003018 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 947.694 177.138 -141.290 0.159574 0.035912 1275.730 144.964 -150.898 0.172329 0.038951 1756.430 426.485 -335.736 0.108547 0.018924 6864.276 216.030 -177.617 0.058957 0.013652 7281.513 187.426 -201.207 0.050254 0.012721 7875.302 388.449 -406.363 0.047462 0.008722 18646.576 551.627 -478.876 0.018108 0.004744 19731.826 726.940 -533.623 0.023151 0.004917 24294.424 416.865 -340.342 0.025013 0.006567 25148.426 437.914 -437.138 0.021877 0.005738 25935.791 309.963 -349.451 0.041058 0.009010 30960.501 1069.149 -1247.603 0.018304 0.003865 36654.468 1153.214 -1086.907 0.017571 0.003383 42323.701 1244.089 -955.338 0.011291 0.002838 48046.043 1318.960 -894.104 0.012490 0.002808 54118.106 1034.457 -1181.996 0.012069 0.002676 60328.157 4540.320 -1609.424 0.007300 0.002055 65687.626 1024.665 -819.149 0.012148 0.003023 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 947.694 177.138 -141.290 3.002408 0.779879 1275.730 144.964 -150.898 1.860777 0.520801 1756.430 426.485 -335.736 2.498951 0.513626 6864.276 216.030 -177.617 1.217808 0.380949 7281.513 187.426 -201.207 1.196981 0.411515 7875.302 388.449 -406.363 1.413797 0.339391 18646.576 551.627 -478.876 2.471007 0.766946 19731.826 726.940 -533.623 1.217429 0.348284 24294.424 416.865 -340.342 1.676138 0.555397 25148.426 437.914 -437.138 1.855538 0.603163 25935.791 309.963 -349.451 0.795032 0.261915 30960.501 1069.149 -1247.603 1.246343 0.352660 36654.468 1153.214 -1086.907 1.399308 0.352243 42323.701 1244.089 -955.338 1.755158 0.547705 48046.043 1318.960 -894.104 1.880493 0.521378 54118.106 1034.457 -1181.996 1.624455 0.457859 60328.157 4540.320 -1609.424 2.284433 0.762418 65687.626 1024.665 -819.149 1.002716 0.352127