! Swift/XRT hardness ratio of trigger: 374875, name: GRB 091104
 ! T0 for this burst is Swift MET=279017368 s, = 2009 Nov 04 at 08:49:22.770 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
324.946	29.270	-23.383	1.049079	0.234581
488.246	491.284	-134.030	0.155396	0.027622
30642.063	27124.092	-26140.281	0.002032	0.000559
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
324.946	29.270	-23.383	3.285478	0.415368
488.246	491.284	-134.030	0.389874	0.043538
30642.063	27124.092	-26140.281	0.002169	0.000595
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
324.946	29.270	-23.383	0.319308	0.082021
488.246	491.284	-134.030	0.398579	0.083670
30642.063	27124.092	-26140.281	0.937133	0.363982