! Swift/XRT detailed lightcurve of trigger: 21462, name: GRB 210901B - source 4
 ! T0 for this burst is Swift MET=652147287.808 s, = 2021 Sep 01 at 00:01:00.000 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
257842.886	813.106	-903.308	1.666292e-02	5.139512e-03	-5.139512e-03	2.083290e-03	8.326502e-05	0.682183