! Swift/XRT hardness ratio of trigger: 1056426, name: GRB 210618A
 ! T0 for this burst is Swift MET=645673444.224 s, = 2021 Jun 18 at 01:43:37.008 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: 

READ TERR 1
READ SERR 2
NO	NO	NO	NO	NO
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
4285.309	552.860	-552.860	0.007920	0.003143	!::ObsID=01056426000
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
4285.309	552.860	-552.860	0.001908	0.001687	!::ObsID=01056426000
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
4285.309	552.860	-552.860	4.150177	4.021471	!::ObsID=01056426000