! Swift/XRT hardness ratio of trigger: 741965, name: GRB 170311A
 ! T0 for this burst is Swift MET=510912541.696 s, = 2017 Mar 11 at 08:08:42.959 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
170.347	66.266	-36.534	0.658861	0.129407
306.835	100.275	-70.222	0.557016	0.096189
578.675	272.230	-171.565	0.123131	0.021577
1181.907	376.299	-331.002	0.034640	0.008644
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
170.347	66.266	-36.534	0.508149	0.114518
306.835	100.275	-70.222	0.321885	0.072971
578.675	272.230	-171.565	0.080578	0.018570
1181.907	376.299	-331.002	0.029414	0.008303
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
170.347	66.266	-36.534	1.296590	0.387604
306.835	100.275	-70.222	1.730479	0.493149
578.675	272.230	-171.565	1.528100	0.442416
1181.907	376.299	-331.002	1.177662	0.443713