! Swift/XRT hardness ratio of trigger: 278903, name: GRB 070509
 ! T0 for this burst is Swift MET=200371709.248 s, = 2007 May 09 at 02:48:27.305 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
186.889	144.814	-108.424	0.142598	0.026194
474.716	260.664	-143.013	0.094779	0.016923
933.728	285.563	-198.348	0.036174	0.009647
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
186.889	144.814	-108.424	0.095522	0.021457
474.716	260.664	-143.013	0.043972	0.011564
933.728	285.563	-198.348	0.036621	0.009646
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
186.889	144.814	-108.424	1.492828	0.433176
474.716	260.664	-143.013	2.155435	0.685149
933.728	285.563	-198.348	0.987792	0.370254