! Swift/XRT hardness ratio of trigger: 1062336, name: GRB 210731A
 ! T0 for this burst is Swift MET=649462896 s, = 2021 Jul 31 at 22:21:08.531 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
15935.811	2266.980	-4153.441	0.042332	0.007694
24099.319	4913.644	-795.918	0.036527	0.008993
29768.026	734.273	-755.063	0.019769	0.004139
35653.307	842.406	-890.138	0.021535	0.004120
51574.388	1608.664	-3358.836	0.013529	0.003255
62636.857	3148.680	-3738.482	0.013714	0.002692
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
15935.811	2266.980	-4153.441	0.054228	0.008955
24099.319	4913.644	-795.918	0.047544	0.010283
29768.026	734.273	-755.063	0.047389	0.006399
35653.307	842.406	-890.138	0.030597	0.004909
51574.388	1608.664	-3358.836	0.025017	0.004432
62636.857	3148.680	-3738.482	0.015248	0.002986
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
15935.811	2266.980	-4153.441	0.780632	0.191697
24099.319	4913.644	-795.918	0.768279	0.251771
29768.026	734.273	-755.063	0.417163	0.103931
35653.307	842.406	-890.138	0.703831	0.175728
51574.388	1608.664	-3358.836	0.540812	0.161590
62636.857	3148.680	-3738.482	0.899388	0.249380