! Swift/XRT hardness ratio of trigger: 279898, name: GRB 070520B
 ! T0 for this burst is Swift MET=201375895.232 s, = 2007 May 20 at 17:44:53.264 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
433.095	56.672	-43.620	0.607285	0.111962
6257.982	5794.995	-2514.628	0.004882	0.001223
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
433.095	56.672	-43.620	0.729601	0.122593
6257.982	5794.995	-2514.628	0.012061	0.001876
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
433.095	56.672	-43.620	0.832353	0.207627
6257.982	5794.995	-2514.628	0.404770	0.119337