! 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
169.303	68.412	-64.475	0.478444	0.096664
280.028	42.936	-42.313	0.597898	0.133905
388.238	55.076	-65.275	0.423193	0.095991
495.065	51.047	-51.751	0.585578	0.120960
4249.769	797.564	-476.144	0.043940	0.009690
17873.700	27261.896	-7744.351	0.002997	0.000821
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
169.303	68.412	-64.475	0.381726	0.086447
280.028	42.936	-42.313	0.597835	0.134315
388.238	55.076	-65.275	0.610996	0.113955
495.065	51.047	-51.751	0.637296	0.126054
4249.769	797.564	-476.144	0.062734	0.011558
17873.700	27261.896	-7744.351	0.005742	0.001137
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
169.303	68.412	-64.475	1.253372	0.380383
280.028	42.936	-42.313	1.000105	0.317263
388.238	55.076	-65.275	0.692628	0.203394
495.065	51.047	-51.751	0.918847	0.262784
4249.769	797.564	-476.144	0.700416	0.201278
17873.700	27261.896	-7744.351	0.522009	0.176425