! Swift/XRT hardness ratio of trigger: 727610, name: GRB 161220A
 ! T0 for this burst is Swift MET=503915627.584 s, = 2016 Dec 20 at 08:33:30.249 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
387.547	353.144	-243.599	0.083141	0.018338
1050.341	377.347	-309.650	0.038189	0.008293
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
387.547	353.144	-243.599	0.263378	0.041108
1050.341	377.347	-309.650	0.108621	0.013865
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
387.547	353.144	-243.599	0.315670	0.085295
1050.341	377.347	-309.650	0.351577	0.088562