! Swift/XRT hardness ratio of trigger: 921722, name: GRB 190821A
 ! T0 for this burst is Swift MET=588100227.328 s, = 2019 Aug 21 at 17:10:03.878 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
143.258	40.969	-24.221	0.802666	0.180333
249.989	62.112	-65.761	0.799211	0.128599
373.647	51.281	-61.547	0.604450	0.118974
5245.388	68.118	-94.858	0.196191	0.038642
5397.743	88.768	-84.237	0.178118	0.035815
5556.292	83.166	-69.780	0.192839	0.039845
5882.485	278.493	-243.027	0.205852	0.027970
10424.765	1472.869	-1052.063	0.078007	0.016281
16637.903	996.291	-1517.682	0.066411	0.013127
21655.363	1714.397	-791.881	0.046001	0.007444
29642.298	4248.802	-3082.051	0.031212	0.003845
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
143.258	40.969	-24.221	0.917775	0.192422
249.989	62.112	-65.761	0.409985	0.091965
373.647	51.281	-61.547	0.671049	0.125427
5245.388	68.118	-94.858	0.150089	0.033863
5397.743	88.768	-84.237	0.141568	0.032049
5556.292	83.166	-69.780	0.160040	0.036313
5882.485	278.493	-243.027	0.100520	0.019145
10424.765	1472.869	-1052.063	0.066998	0.015178
16637.903	996.291	-1517.682	0.038332	0.009317
21655.363	1714.397	-791.881	0.020331	0.005037
29642.298	4248.802	-3082.051	0.009772	0.002204
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
143.258	40.969	-24.221	0.874578	0.268758
249.989	62.112	-65.761	1.949366	0.538135
373.647	51.281	-61.547	0.900754	0.244499
5245.388	68.118	-94.858	1.307167	0.391494
5397.743	88.768	-84.237	1.258174	0.380964
5556.292	83.166	-69.780	1.204940	0.369773
5882.485	278.493	-243.027	2.047876	0.479120
10424.765	1472.869	-1052.063	1.164318	0.358646
16637.903	996.291	-1517.682	1.732522	0.542779
21655.363	1714.397	-791.881	2.262574	0.669560
29642.298	4248.802	-3082.051	3.193924	0.820753