! Swift/XRT hardness ratio of trigger: 453788, name: GRB 110521A
 ! T0 for this burst is Swift MET=327685898.432 s, = 2011 May 21 at 15:51:31.455 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
165.063	52.182	-33.067	2.799361	0.394034
321.905	1161.527	-104.660	0.138454	0.022288
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
165.063	52.182	-33.067	1.097204	0.246703
321.905	1161.527	-104.660	0.090080	0.016625
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
165.063	52.182	-33.067	2.551359	0.676804
321.905	1161.527	-104.660	1.537007	0.376409