! Swift/XRT hardness ratio of trigger: 1104343, name: GRB 220427A ! T0 for this burst is Swift MET=672786064 s, = 2022 Apr 27 at 21:00:34.961 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 243.520 19.831 -22.794 1.323371 0.271083 292.350 31.176 -29.000 0.772638 0.174978 344.898 21.252 -21.372 1.128383 0.252669 394.407 29.412 -28.256 0.818029 0.182917 466.147 47.935 -42.328 0.523556 0.117071 588.323 73.690 -74.241 0.317694 0.071440 701.811 52.973 -39.797 0.504595 0.113468 817.206 72.972 -62.423 0.339026 0.076237 971.991 81.163 -81.813 0.288780 0.065214 1153.726 64.910 -100.573 0.279495 0.062850 1296.562 82.542 -77.926 0.291985 0.065566 1474.270 112.941 -95.166 0.223746 0.050456 1744.361 166.292 -157.150 0.172829 0.034190 6366.778 235.123 -253.803 0.075149 0.016944 7199.183 603.718 -597.281 0.045422 0.008396 14558.815 4335.663 -2459.626 0.010287 0.002733 54551.785 62021.641 -24542.823 0.002956 0.000817 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 243.520 19.831 -22.794 1.151249 0.252235 292.350 31.176 -29.000 1.363377 0.231381 344.898 21.252 -21.372 1.408700 0.282374 394.407 29.412 -28.256 0.930560 0.195708 466.147 47.935 -42.328 0.745610 0.138995 588.323 73.690 -74.241 0.610698 0.098930 701.811 52.973 -39.797 0.698718 0.132845 817.206 72.972 -62.423 0.458174 0.089102 971.991 81.163 -81.813 0.377349 0.074487 1153.726 64.910 -100.573 0.352501 0.071463 1296.562 82.542 -77.926 0.337017 0.070879 1474.270 112.941 -95.166 0.266317 0.055465 1744.361 166.292 -157.150 0.191823 0.035690 6366.778 235.123 -253.803 0.079684 0.017720 7199.183 603.718 -597.281 0.065945 0.010155 14558.815 4335.663 -2459.626 0.023338 0.004001 54551.785 62021.641 -24542.823 0.005381 0.001215 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 243.520 19.831 -22.794 1.149509 0.344784 292.350 31.176 -29.000 0.566709 0.160379 344.898 21.252 -21.372 0.801010 0.240731 394.407 29.412 -28.256 0.879072 0.269849 466.147 47.935 -42.328 0.702185 0.204421 588.323 73.690 -74.241 0.520215 0.144174 701.811 52.973 -39.797 0.722173 0.212661 817.206 72.972 -62.423 0.739949 0.219985 971.991 81.163 -81.813 0.765287 0.229538 1153.726 64.910 -100.573 0.792892 0.240060 1296.562 82.542 -77.926 0.866380 0.266551 1474.270 112.941 -95.166 0.840151 0.257897 1744.361 166.292 -157.150 0.900985 0.244684 6366.778 235.123 -253.803 0.943088 0.298662 7199.183 603.718 -597.281 0.688779 0.165711 14558.815 4335.663 -2459.626 0.440777 0.139374 54551.785 62021.641 -24542.823 0.549366 0.196048