! Swift/XRT hardness ratio of trigger: 151334, name: GRB 050820B
 ! T0 for this burst is Swift MET=146274626.88 s, = 2005 Aug 20 at 23:50:27.195 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
2450.797	180.794	-196.931	0.073198	0.016443
2913.173	410.433	-281.582	0.036797	0.008119
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
2450.797	180.794	-196.931	0.054366	0.014270
2913.173	410.433	-281.582	0.033011	0.007723
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
2450.797	180.794	-196.931	1.346380	0.465159
2913.173	410.433	-281.582	1.114679	0.358447