! Swift/XRT hardness ratio of trigger: 21508, name: GRB 220708B - source 3
 ! T0 for this burst is Swift MET=678938846.465, = 2022 Jul 08 at 02:06:57.000 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
35580.572	502.818	-522.677	0.023219	0.005551
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
35580.572	502.818	-522.677	0.041419	0.007410
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
35580.572	502.818	-522.677	0.560580	0.167391