! Swift/XRT hardness ratio of trigger: 945344, name: GRB 191220A
 ! T0 for this burst is Swift MET=598541401.92 s, = 2019 Dec 20 at 13:29:37.799 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
221.211	67.738	-42.584	0.417883	0.094180
360.521	88.898	-71.572	0.282668	0.063491
655.132	373.474	-205.713	0.049036	0.010542
4783.051	363.784	-521.301	0.027836	0.006643
5859.072	904.964	-712.237	0.018575	0.004016
14514.291	3060.680	-3022.631	0.010962	0.002342
25341.581	3758.979	-3277.722	0.009571	0.001866
71369.655	3388.210	-3924.375	0.007477	0.001880
153142.337	133077.146	-68301.279	0.002300	0.000601
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
221.211	67.738	-42.584	0.569761	0.107934
360.521	88.898	-71.572	0.286590	0.064517
655.132	373.474	-205.713	0.066193	0.012291
4783.051	363.784	-521.301	0.023496	0.006131
5859.072	904.964	-712.237	0.028068	0.004942
14514.291	3060.680	-3022.631	0.016794	0.002888
25341.581	3758.979	-3277.722	0.016236	0.002420
71369.655	3388.210	-3924.375	0.007013	0.001817
153142.337	133077.146	-68301.279	0.002223	0.000607
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
221.211	67.738	-42.584	0.733437	0.215935
360.521	88.898	-71.572	0.986313	0.313658
655.132	373.474	-205.713	0.740801	0.210440
4783.051	363.784	-521.301	1.184695	0.418935
5859.072	904.964	-712.237	0.661773	0.184523
14514.291	3060.680	-3022.631	0.652726	0.179035
25341.581	3758.979	-3277.722	0.589503	0.144661
71369.655	3388.210	-3924.375	1.066190	0.384947
153142.337	133077.146	-68301.279	1.035025	0.391020