! 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
! WT -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
145.950	6.517	-7.303	2.279739	0.449685
NO	NO	NO	NO	NO
! WT -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
145.950	6.517	-7.303	4.526191	0.618406
NO	NO	NO	NO	NO
! WT -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
145.950	6.517	-7.303	0.503677	0.120857
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	0.027691	0.006609
5859.072	904.964	-712.237	0.018407	0.003980
14514.291	3060.680	-3022.631	0.011024	0.002355
25341.581	3758.979	-3277.722	0.009568	0.001865
71164.270	3357.923	-3718.989	0.007693	0.001991
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	0.023183	0.006049
5859.072	904.964	-712.237	0.027861	0.004905
14514.291	3060.680	-3022.631	0.016870	0.002901
25341.581	3758.979	-3277.722	0.016136	0.002406
71164.270	3357.923	-3718.989	0.007144	0.001913
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	1.194451	0.422391
5859.072	904.964	-712.237	0.660672	0.184218
14514.291	3060.680	-3022.631	0.653430	0.179227
25341.581	3758.979	-3277.722	0.592963	0.145520
71164.270	3357.923	-3718.989	1.076830	0.400974