! Swift/XRT hardness ratio of trigger: 20914, name: GRB 190731A
 ! T0 for this burst is Swift MET=586305503 s, = 2019 Jul 31 at 22:37:59.665 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
36132.739	4041.703	-2744.767	0.019307	0.004637
52230.045	4695.558	-6864.474	0.018019	0.004729
57693.102	862.242	-767.499	0.016621	0.003703
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
36132.739	4041.703	-2744.767	0.029054	0.005658
52230.045	4695.558	-6864.474	0.017979	0.004729
57693.102	862.242	-767.499	0.019966	0.004046
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
36132.739	4041.703	-2744.767	0.664526	0.205461
52230.045	4695.558	-6864.474	1.002210	0.372405
57693.102	862.242	-767.499	0.832462	0.250695