! Swift/XRT detailed lightcurve of trigger: 21451, name: GRB 210606A - source 4
 ! Swift/XRT lightcurve of trigger: 21451, name: GRB 210606A - source 4
 ! 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
94993.844	37936.487	-32647.566	1.109276e-03	6.603998e-04	-5.012337e-04	1.684740e-04	7.557094e-06	0.103725
NO	NO	NO	NO	NO	NO
! PC Upper limit
390255.983	7210.643	-5950.844	5.4993e-03	0.0000e+00	0.0000e+00	7.5537e-05	6.2730e-06	0.2326