! Swift/XRT hardness ratio of trigger: 21451, name: GRB 210606A - source 1
 ! T0 for this burst is Swift MET=644644589.2, = 2021 Jun 06 at 03:56:02.000 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
64970.842	4162.974	-2624.563	0.012103	0.002796
83434.650	3174.680	-3849.689	0.009276	0.002275
NO NO NO NO NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
64970.842	4162.974	-2624.563	0.015170	0.003125
83434.650	3174.680	-3849.689	0.010121	0.002347
NO NO NO NO NO
! PC -- hardness ratio
!Time		Err (pos)	Err(neg)	Rate		Error
64970.842	4162.974	-2624.563	0.797828	0.246986
83434.650	3174.680	-3849.689	0.916519	0.309375