! Swift/XRT hardness ratio of trigger: 350479, name: GRB 090426 ! T0 for this burst is Swift MET=262442931.904 s, = 2009 Apr 26 at 12:48:47.213 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 149.298 43.362 -51.917 0.469940 0.105391 253.424 59.587 -60.764 0.388666 0.086908 392.685 105.868 -79.674 0.271845 0.059543 659.982 149.479 -161.429 0.149485 0.033789 984.098 186.416 -174.638 0.097582 0.021994 1689.525 586.711 -519.011 0.051517 0.008703 5802.068 358.704 -338.330 0.030413 0.007913 6744.024 512.445 -583.252 0.019179 0.004998 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 149.298 43.362 -51.917 0.653169 0.123610 253.424 59.587 -60.764 0.587553 0.107342 392.685 105.868 -79.674 0.417681 0.072925 659.982 149.479 -161.429 0.347731 0.051533 984.098 186.416 -174.638 0.189230 0.028937 1689.525 586.711 -519.011 0.145382 0.016109 5802.068 358.704 -338.330 0.030152 0.007853 6744.024 512.445 -583.252 0.025647 0.005761 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 149.298 43.362 -51.917 0.719477 0.211125 253.424 59.587 -60.764 0.661500 0.191008 392.685 105.868 -79.674 0.650844 0.182305 659.982 149.479 -161.429 0.429887 0.116193 984.098 186.416 -174.638 0.515680 0.140455 1689.525 586.711 -519.011 0.354354 0.071589 5802.068 358.704 -338.330 1.008681 0.371356 6744.024 512.445 -583.252 0.747783 0.257279