! 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	0.196193	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	0.205794	0.027962
10424.765	1472.869	-1052.063	0.078008	0.016281
16637.903	996.291	-1517.682	0.044524	0.008800
21655.363	1714.397	-791.881	0.046358	0.007502
27782.341	4679.600	-1222.094	0.038165	0.006011
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	0.141789	0.032099
5556.292	83.166	-69.780	0.160038	0.036312
5882.485	278.493	-243.027	0.100448	0.019131
10424.765	1472.869	-1052.063	0.066998	0.015178
16637.903	996.291	-1517.682	0.028189	0.006848
21655.363	1714.397	-791.881	0.020407	0.005056
27782.341	4679.600	-1222.094	0.013601	0.003642
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	1.307177	0.391496
5397.743	88.768	-84.237	1.256220	0.380373
5556.292	83.166	-69.780	1.204957	0.369778
5882.485	278.493	-243.027	2.048773	0.479330
10424.765	1472.869	-1052.063	1.164336	0.358651
16637.903	996.291	-1517.682	1.579473	0.494660
21655.363	1714.397	-791.881	2.271631	0.672241
27782.341	4679.600	-1222.094	2.806164	0.871779