! Swift/XRT hardness ratio of trigger: 21451, name: GRB 210606A
 ! T0 for this burst is Swift MET=644644589.222 s, = 2021 Jun 06 at 03:56:02.075 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
65068.008	4065.807	-2721.730	0.013981	0.003022
82595.173	3555.325	-3010.212	0.009173	0.002419
NO	NO	NO	NO	NO
! PC -- soft data
!Time		Err (pos)	Err(neg)	Rate		Error
65068.008	4065.807	-2721.730	0.015247	0.003178
82595.173	3555.325	-3010.212	0.010818	0.002603
NO	NO	NO	NO	NO
! PC -- hardness ratio data
!Time		Err (pos)	Err(neg)	Rate		Error
65068.008	4065.807	-2721.730	0.916963	0.275347
82595.173	3555.325	-3010.212	0.847894	0.302722