! Swift/XRT hardness ratio of trigger: 21426, name: GRB 210323B - source 8
 ! T0 for this burst is Swift MET=638193839.7, = 2021 Mar 23 at 12:03:33.000 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
580788.007	745331.307	-477169.977	0.003126	0.000767
NO NO NO NO NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
580788.007	745331.307	-477169.977	0.004508	0.000936
NO NO NO NO NO
! PC -- hardness ratio
!Time		Err (pos)	Err(neg)	Rate		Error
580788.007	745331.307	-477169.977	0.693341	0.222930