! Swift/XRT hardness ratio of trigger: 361831, name: GRB 090904B
 ! T0 for this burst is Swift MET=273720263.168 s, = 2009 Sep 04 at 01:24:18.113 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
267.882	111.473	-109.171	2.977249	0.245788
532.974	187.375	-153.619	1.705904	0.149836
964.496	387.690	-244.146	0.854502	0.078215
35262.134	7636.699	-6449.024	0.012319	0.001508
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
267.882	111.473	-109.171	0.400949	0.090497
532.974	187.375	-153.619	0.258288	0.058612
964.496	387.690	-244.146	0.157986	0.033963
35262.134	7636.699	-6449.024	0.002449	0.000686
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
267.882	111.473	-109.171	7.425504	1.784584
532.974	187.375	-153.619	6.604654	1.607119
964.496	387.690	-244.146	5.408728	1.263754
35262.134	7636.699	-6449.024	5.030015	1.538466