! Swift/XRT detailed lightcurve of trigger: 20770, name: GRB 170522A - source 1
 ! Swift/XRT lightcurve of trigger: 20770, name: GRB 170522A - source 1
 ! T0 for this burst is Swift MET=517160735.0 s, = 2017 May 22 at 15:45:15.896 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
82921.481	910762.815	-42269.202	5.072866e-03	1.366283e-03	-1.366283e-03	1.207397e-04	8.624261e-06	0.005380
NO	NO	NO	NO	NO	NO
! PC Upper limit
999023.234	398.661	-398.661	7.4186e-03	0.0000e+00	0.0000e+00	6.6634e-05	9.4235e-06	1.0000