! Swift/XRT hardness ratio of trigger: 21035, name: GRB 201020B
 ! T0 for this burst is Swift MET=624908059.914 s, = 2020 Oct 20 at 17:33:54.075 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
72290.860	211.085	-190.086	0.091130	0.017658
72640.086	177.775	-138.142	0.106751	0.021568
73808.145	502.223	-515.745	0.082156	0.012277
188071.969	773.833	-813.288	0.023062	0.004674
193555.694	700.898	-703.190	0.020715	0.004718
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
72290.860	211.085	-190.086	0.064168	0.014865
72640.086	177.775	-138.142	0.116432	0.022599
73808.145	502.223	-515.745	0.097228	0.013654
188071.969	773.833	-813.288	0.021283	0.004502
193555.694	700.898	-703.190	0.017522	0.004336
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
72290.860	211.085	-190.086	1.420178	0.428901
72640.086	177.775	-138.142	0.916854	0.256870
73808.145	502.223	-515.745	0.844985	0.173278
188071.969	773.833	-813.288	1.083590	0.317457
193555.694	700.898	-703.190	1.182206	0.397583