! Swift/XRT hardness ratio of trigger: 21477, name: GRB 220107B - source 7
 ! T0 for this burst is Swift MET=663274921.588, = 2022 Jan 07 at 19:01:33.000 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
NO	NO	NO	NO	NO
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
42625.932	5593.306	-859.323	0.019647	0.005163
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
42625.932	5593.306	-859.323	0.044930	0.007889
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
42625.932	5593.306	-859.323	0.437277	0.138204