! Swift/XRT hardness ratio of trigger: 21481, name: GRB 220219B - source 1 ! T0 for this burst is Swift MET=666955673.786, = 2022 Feb 19 at 09:27:25.000 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 READ TERR 1 READ SERR 2 READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 328256.791 366.875 -385.315 2.642750e-02 6.973285e-03 -6.973285e-03 356931.104 372.272 -364.874 3.746395e-02 8.514503e-03 -8.514503e-03 368776.153 469.192 -561.308 1.829584e-02 5.476232e-03 -4.575957e-03