! Swift/XRT lightcurve of trigger: 21462, name: GRB 210901B - source 2
 ! 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
 ! The data are in 5 columns: ";
 ! time, time error (+ve), time error (-ve), source count-rate, source error
 ! For a detailed description of light curve production, see Evans et al. 2007 (A&A, 469, 379 )
 ! For a detailed description of the file, see
 ! http://www.swift.ac.uk/xrt_curves/docs.php
 ! This lightcurve was obtained from http://www.swift.ac.uk/xrt_curves/00021462
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
247612.582	4057.987	-2059.172	9.578857e-03	2.559052e-03	-2.559052e-03
259434.011	3877.298	-2494.432	9.464124e-03	3.141093e-03	-3.141093e-03
NO	NO	NO	NO	NO
! PC upper limits
270379.884	470.119	-179.272	1.7004e-02	0.0000e+00	0.0000e+00