! Swift/XRT hardness ratio of trigger: 639278, name: GRB 150428B ! T0 for this burst is Swift MET=451883537.024 s, = 2015 Apr 28 at 03:12:03.518 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 322.450 18.390 -19.220 1.247387 0.272684 373.927 47.146 -33.088 0.549512 0.123448 488.376 100.686 -67.303 0.205420 0.046196 735.273 202.306 -146.210 0.070751 0.015942 1274.008 350.569 -336.429 0.046716 0.009263 5132.934 228.611 -328.013 0.050309 0.010607 5606.392 226.527 -244.848 0.048953 0.011437 6171.990 423.143 -339.071 0.038448 0.007942 11354.625 626.761 -664.499 0.031565 0.005641 16689.780 364.526 -330.001 0.038950 0.008605 17753.276 805.405 -698.971 0.029582 0.005120 32634.184 2038.558 -3447.504 0.017040 0.003880 80158.377 7362.060 -5094.617 0.017314 0.003177 146667.099 181813.047 -48754.534 0.003617 0.000917 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 322.450 18.390 -19.220 1.415439 0.290273 373.927 47.146 -33.088 0.551628 0.124155 488.376 100.686 -67.303 0.211610 0.047587 735.273 202.306 -146.210 0.077560 0.016753 1274.008 350.569 -336.429 0.029317 0.007461 5132.934 228.611 -328.013 0.043126 0.009947 5606.392 226.527 -244.848 0.038637 0.010189 6171.990 423.143 -339.071 0.045076 0.008596 11354.625 626.761 -664.499 0.021408 0.004683 16689.780 364.526 -330.001 0.028012 0.007338 17753.276 805.405 -698.971 0.023251 0.004550 32634.184 2038.558 -3447.504 0.013122 0.003339 80158.377 7362.060 -5094.617 0.007229 0.002020 146667.099 181813.047 -48754.534 0.003575 0.000946 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 322.450 18.390 -19.220 0.881272 0.264153 373.927 47.146 -33.088 0.996164 0.316780 488.376 100.686 -67.303 0.970746 0.308729 735.273 202.306 -146.210 0.912212 0.284732 1274.008 350.569 -336.429 1.593476 0.514097 5132.934 228.611 -328.013 1.166561 0.364550 5606.392 226.527 -244.848 1.266978 0.446373 6171.990 423.143 -339.071 0.852975 0.239803 11354.625 626.761 -664.499 1.474475 0.416507 16689.780 364.526 -330.001 1.390466 0.476504 17753.276 805.405 -698.971 1.272273 0.332379 32634.184 2038.558 -3447.504 1.298574 0.443442 80158.377 7362.060 -5094.617 2.394954 0.800708 146667.099 181813.047 -48754.534 1.011843 0.370759