! 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	0.042595	0.007745
24099.319	4913.644	-795.918	0.036614	0.009006
29768.026	734.273	-755.063	0.020239	0.004235
35653.307	842.406	-890.138	0.021356	0.004085
51574.388	1608.664	-3358.836	0.013456	0.003238
62605.157	3180.379	-3706.783	0.012594	0.002521
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
15935.811	2266.980	-4153.441	0.054588	0.009007
24099.319	4913.644	-795.918	0.047405	0.010253
29768.026	734.273	-755.063	0.048231	0.006509
35653.307	842.406	-890.138	0.030471	0.004889
51574.388	1608.664	-3358.836	0.024803	0.004393
62605.157	3180.379	-3706.783	0.014352	0.002809
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
15935.811	2266.980	-4153.441	0.780301	0.191597
24099.319	4913.644	-795.918	0.772368	0.252986
29768.026	734.273	-755.063	0.419634	0.104482
35653.307	842.406	-890.138	0.700845	0.174989
51574.388	1608.664	-3358.836	0.542531	0.162090
62605.157	3180.379	-3706.783	0.877536	0.245699