! Swift/XRT hardness ratio of trigger: 14055, name: GRB 210204A - source 8
 ! T0 for this burst is Swift MET=634112991.5, = 2021 Feb 04 at 06:29:25.000 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
READ TERR 1 
READ SERR 2
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
161355.625	411.831	-458.202	0.052717	0.008938
167306.157	580.179	-580.701	0.037737	0.006599
172612.080	245.552	-240.868	0.042078	0.010886
NO NO NO NO NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
161355.625	411.831	-458.202	0.050897	0.008812
167306.157	580.179	-580.701	0.061017	0.008506
172612.080	245.552	-240.868	0.053319	0.012268
NO NO NO NO NO
! PC -- hardness ratio
!Time		Err (pos)	Err(neg)	Rate		Error
161355.625	411.831	-458.202	1.035750	0.250989
167306.157	580.179	-580.701	0.618475	0.138312
172612.080	245.552	-240.868	0.789181	0.273234