! Swift/XRT hardness ratio of trigger: 357811, name: GRB 090720
 ! T0 for this burst is Swift MET=269764689 s, = 2009 Jul 20 at 06:38:04.074 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: GRB-like (counts)

READ TERR 1
READ SERR 2
NO	NO	NO	NO	NO
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
64885.993	52374.216	-25310.910	0.003363	0.000926
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
64885.993	52374.216	-25310.910	0.007545	0.001367
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
64885.993	52374.216	-25310.910	0.445729	0.146868