! Swift/XRT hardness ratio of trigger: 453747, name: GRB 110520A ! T0 for this burst is Swift MET=327616135.168 s, = 2011 May 20 at 20:28:48.194 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 193.696 21.946 -30.707 4.111664 0.573887 228.599 14.624 -12.957 6.828267 1.045378 255.912 12.384 -12.689 5.044087 0.940288 285.202 23.211 -16.906 2.994887 0.569963 341.506 39.619 -33.093 1.840023 0.331674 475.579 148.755 -94.454 0.788525 0.118503 931.497 299.606 -307.163 0.224066 0.034150 1347.124 137.218 -116.021 0.108237 0.022803 1777.222 303.855 -292.880 0.067417 0.011756 10863.520 14329.983 -5465.888 0.002766 0.000701 NO NO NO NO NO ! PC -- soft data !Time Err (pos) Err(neg) Rate Error 193.696 21.946 -30.707 1.812509 0.379780 228.599 14.624 -12.957 3.651263 0.762267 255.912 12.384 -12.689 4.900240 0.926984 285.202 23.211 -16.906 2.137880 0.480057 341.506 39.619 -33.093 1.176732 0.265350 475.579 148.755 -94.454 0.348899 0.079347 931.497 299.606 -307.163 0.079368 0.018163 1347.124 137.218 -116.021 0.070409 0.018324 1777.222 303.855 -292.880 0.055936 0.010683 10863.520 14329.983 -5465.888 0.005813 0.001012 NO NO NO NO NO ! PC -- hardness ratio data !Time Err (pos) Err(neg) Rate Error 193.696 21.946 -30.707 2.268493 0.571126 228.599 14.624 -12.957 1.870111 0.484147 255.912 12.384 -12.689 1.029355 0.273382 285.202 23.211 -16.906 1.400867 0.412342 341.506 39.619 -33.093 1.563673 0.451414 475.579 148.755 -94.454 2.260037 0.616063 931.497 299.606 -307.163 2.823135 0.776232 1347.124 137.218 -116.021 1.537249 0.514717 1777.222 303.855 -292.880 1.205256 0.311702 10863.520 14329.983 -5465.888 0.475912 0.146391