! Swift/XRT hardness ratio of trigger: 1107466, name: GRB 220521A
 ! T0 for this burst is Swift MET=674868050.624 s, = 2022 May 21 at 23:20:21.444 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
160.744	41.869	-55.916	0.411436	0.092737
249.619	48.271	-47.006	0.420433	0.094613
335.967	52.186	-38.077	0.442104	0.099809
428.604	42.291	-40.450	0.489871	0.110064
510.028	36.084	-39.134	0.610058	0.128808
4248.437	798.896	-474.813	0.042416	0.009135
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
160.744	41.869	-55.916	0.433465	0.095457
249.619	48.271	-47.006	0.466860	0.100114
335.967	52.186	-38.077	0.600414	0.116097
428.604	42.291	-40.450	0.634840	0.124961
510.028	36.084	-39.134	0.613758	0.129048
4248.437	798.896	-474.813	0.057757	0.010636
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
160.744	41.869	-55.916	0.949179	0.299105
249.619	48.271	-47.006	0.900555	0.279936
335.967	52.186	-38.077	0.736331	0.218873
428.604	42.291	-40.450	0.771645	0.230496
510.028	36.084	-39.134	0.993971	0.296179
4248.437	798.896	-474.813	0.734393	0.208097