! Swift/XRT hardness ratio of trigger: 21423, name: GRB 210212B - source 3
 ! T0 for this burst is Swift MET=634790303.6, = 2021 Feb 12 at 02:37:57.000 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
393532.275	3976.201	-2895.406	0.006912	0.001823
NO NO NO NO NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
393532.275	3976.201	-2895.406	0.016285	0.002775
NO NO NO NO NO
! PC -- hardness ratio
!Time		Err (pos)	Err(neg)	Rate		Error
393532.275	3976.201	-2895.406	0.424444	0.133297