! Swift/XRT hardness ratio of trigger: 20709, name: GRB 161023A - source 1
 ! T0 for this burst is Swift MET=498955120.0, = 2016 Oct 23 at 22:38:22.943 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
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
35328.661	498.700	-486.679	0.021305	0.005529
NO NO NO NO NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
35328.661	498.700	-486.679	0.057412	0.008993
NO NO NO NO NO
! PC -- hardness ratio
!Time		Err (pos)	Err(neg)	Rate		Error
35328.661	498.700	-486.679	0.371084	0.112480