! Swift/XRT detailed lightcurve of trigger: 21427, name: GRB 210406A - source 4
 ! Swift/XRT lightcurve of trigger: 21427, name: GRB 210406A - source 4
 ! T0 for this burst is Swift MET=639421908.9 s, = 2021 Apr 06 at 17:11:22.000 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
205454.807	38971.166	-35816.866	2.031308e-03	8.731250e-04	-6.881640e-04	1.036868e-04	6.959005e-06	0.068660