! Swift/XRT hardness ratio of trigger: 20948, name: GRB 190919B - source 1
 ! T0 for this burst is Swift MET=590629600.0, = 2019 Sep 19 at 23:46:16.349 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
READ TERR 1 
READ SERR 2
! PC -- hard data
!Time		Err (pos)	Err(neg)	Rate		Error
30483.714	5476.847	-1919.415	0.007617	0.001994
NO NO NO NO NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
30483.714	5476.847	-1919.415	0.014789	0.002773
NO NO NO NO NO
! PC -- hardness ratio
!Time		Err (pos)	Err(neg)	Rate		Error
30483.714	5476.847	-1919.415	0.515070	0.165864