! Swift/XRT hardness ratio of trigger: 1037828, name: GRB 210321A
 ! T0 for this burst is Swift MET=638003657.728 s, = 2021 Mar 21 at 07:13:51.023 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
2844.302	102.219	-100.873	0.201292	0.045358
3061.890	110.291	-115.368	0.186803	0.041954
3256.759	85.919	-84.578	0.274180	0.058689
3467.034	121.362	-124.356	0.179566	0.039555
3717.729	116.385	-129.333	0.172739	0.038710
4167.358	296.080	-333.244	0.124624	0.020684
26262.307	12237.363	-6227.637	0.007414	0.001712
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
2844.302	102.219	-100.873	0.252772	0.048964
3061.890	110.291	-115.368	0.271427	0.050632
3256.759	85.919	-84.578	0.247839	0.055969
3467.034	121.362	-124.356	0.292328	0.050556
3717.729	116.385	-129.333	0.233553	0.045057
4167.358	296.080	-333.244	0.185122	0.025022
26262.307	12237.363	-6227.637	0.006315	0.001571
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
2844.302	102.219	-100.873	0.796340	0.236633
3061.890	110.291	-115.368	0.688228	0.200930
3256.759	85.919	-84.578	1.106281	0.344222
3467.034	121.362	-124.356	0.614262	0.172029
3717.729	116.385	-129.333	0.739613	0.218701
4167.358	296.080	-333.244	0.673199	0.144093
26262.307	12237.363	-6227.637	1.174090	0.398627