! Swift/XRT detailed lightcurve of trigger: 20979, name: GRB 200405B - source 4
 ! Swift/XRT lightcurve of trigger: 20979, name: GRB 200405B - source 4
 ! T0 for this burst is Swift MET=607751618.0 s, = 2020 Apr 05 at 03:53:13.240 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
82696.683	479644.327	-15934.459	3.749316e-03	1.037213e-03	-1.037213e-03	1.881877e-04	1.077560e-05	0.010706
583545.865	454.477	-418.063	6.384032e-03	3.966313e-03	-2.821772e-03	1.482014e-04	2.314517e-05	1.000000