! Swift/XRT hardness ratio of trigger: 1044382, name: GRB 210420B
 ! T0 for this burst is Swift MET=640636504 s, = 2021 Apr 20 at 18:34:37.120 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
336.131	14.152	-15.936	2.889564	0.633096
381.144	29.314	-30.862	2.060304	0.378284
445.667	32.489	-35.209	1.324181	0.284863
516.500	46.905	-38.344	1.011473	0.222508
593.788	24.778	-30.383	1.650782	0.352849
634.931	13.723	-16.365	2.741041	0.612915
666.653	17.104	-17.999	2.482885	0.542536
703.623	17.744	-19.866	2.308513	0.506469
752.914	31.135	-31.548	1.310749	0.294749
810.412	28.798	-26.363	1.496206	0.336929
870.964	33.437	-31.754	1.262771	0.282761
932.466	32.110	-28.065	1.449220	0.317947
1049.140	80.919	-84.564	0.499484	0.112797
1192.054	75.908	-61.995	0.598775	0.134837
1527.685	337.007	-259.723	0.254305	0.042419
13099.499	394.581	-430.320	0.024058	0.006110
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
336.131	14.152	-15.936	2.886264	0.632373
381.144	29.314	-30.862	1.371134	0.308328
445.667	32.489	-35.209	1.333634	0.286527
516.500	46.905	-38.344	1.163481	0.239740
593.788	24.778	-30.383	1.571137	0.344232
634.931	13.723	-16.365	2.721437	0.610247
666.653	17.104	-17.999	3.183294	0.614544
703.623	17.744	-19.866	2.182674	0.492908
752.914	31.135	-31.548	1.902339	0.354975
810.412	28.798	-26.363	2.100727	0.399809
870.964	33.437	-31.754	1.640947	0.323565
932.466	32.110	-28.065	1.379336	0.309734
1049.140	80.919	-84.564	0.926420	0.153233
1192.054	75.908	-61.995	1.083488	0.181573
1527.685	337.007	-259.723	0.504488	0.059620
13099.499	394.581	-430.320	0.048357	0.008632
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
336.131	14.152	-15.936	1.001143	0.310205
381.144	29.314	-30.862	1.502628	0.436223
445.667	32.489	-35.209	0.992911	0.301880
516.500	46.905	-38.344	0.869351	0.262036
593.788	24.778	-30.383	1.050693	0.321607
634.931	13.723	-16.365	1.007204	0.318955
666.653	17.104	-17.999	0.779973	0.227421
703.623	17.744	-19.866	1.057654	0.333003
752.914	31.135	-31.548	0.689020	0.201338
810.412	28.798	-26.363	0.712233	0.209995
870.964	33.437	-31.754	0.769538	0.229603
932.466	32.110	-28.065	1.050665	0.329844
1049.140	80.919	-84.564	0.539155	0.150922
1192.054	75.908	-61.995	0.552636	0.155126
1527.685	337.007	-259.723	0.504085	0.103048
13099.499	394.581	-430.320	0.497522	0.154449