! Swift/XRT detailed lightcurve of trigger: 21451, name: GRB 210606A - source 3
 ! Swift/XRT lightcurve of trigger: 21451, name: GRB 210606A - source 3
 ! T0 for this burst is Swift MET=644644589.2 s, = 2021 Jun 06 at 03:56:02.000 UT
 ! Data covers 0.3-10 keV
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: GRB-like (counts)
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! PC data
65506.994	67423.337	-3160.713	7.971608e-04	5.278280e-04	-3.897498e-04	1.403760e-04	5.294383e-06	0.103725
NO	NO	NO	NO	NO	NO
! PC Upper limit
390885.881	6580.745	-6580.745	6.2552e-04	0.0000e+00	0.0000e+00	7.9475e-05	6.1500e-06	0.2326