! Swift/XRT hardness ratio of trigger: 1102329, name: GRB 220412B - source 1
 ! T0 for this burst is Swift MET=671476037.887999, = 2022 Apr 12 at 17:06:48.800 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
16376.559	746.122	-983.915	3.633131e-02	8.110525e-03	-8.110525e-03
21884.392	997.163	-657.655	1.322360e-02	4.127317e-03	-3.425766e-03