! Swift/XRT hardness ratio of trigger: 160672, name: GRB 051021B
 ! T0 for this burst is Swift MET=151630313.472 s, = 2005 Oct 21 at 23:31:53.676 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
157.845	65.886	-41.928	2.086551	0.263580
551.361	1146.662	-327.630	0.139105	0.014662
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
157.845	65.886	-41.928	0.657764	0.148320
551.361	1146.662	-327.630	0.039296	0.008931
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
157.845	65.886	-41.928	3.172189	0.819898
551.361	1146.662	-327.630	3.539899	0.886860