! Swift/XRT hardness ratio of trigger: 20185, name: GRB 110915B
 ! T0 for this burst is Swift MET=337803859.0, = 2011 Sep 15 at 18:24:11.632 UT
 ! The hard band is 1.5-10 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
READ TERR 1 
READ SERR 2
! PC -- hard data
!TIME		Err (pos)	Err(neg)	Rate		Error
37081.197121	260.716371	-325.993809	0.028186	0.007350
42090.495433	327.586218	-442.157622	0.036770	0.007623
42863.937681	316.366591	-445.856029	0.036299	0.007475
47715.990891	377.339220	-249.488000	0.032632	0.007853
48505.198866	433.089126	-411.868754	0.030982	0.006566
NO NO NO NO NO
! PC -- soft data
!TIME		Err (pos)	Err(neg)	Rate		Error
37081.197121	260.716371	-325.993809	0.043290	0.009085
42090.495433	327.586218	-442.157622	0.027571	0.006556
42863.937681	316.366591	-445.856029	0.037334	0.007547
47715.990891	377.339220	-249.488000	0.027214	0.007102
48505.198866	433.089126	-411.868754	0.028058	0.006232
NO NO NO NO NO
! PC -- hardness ratio
!TIME		Err (pos)	Err(neg)	Rate		Error
37081.197121	260.716371	-325.993809	0.651080	0.217932
42090.495433	327.586218	-442.157622	1.333677	0.420745
42863.937681	316.366591	-445.856029	0.972277	0.280562
47715.990891	377.339220	-249.488000	1.199098	0.425652
48505.198866	433.089126	-411.868754	1.104236	0.339006