! Swift/XRT lightcurve of trigger: 21423, name: GRB 210212B - source 4
 ! T0 for this burst is Swift MET=634790303.6 s, = 2021 Feb 12 at 02:37:57.000 UT
 ! Data covers 0.3-10 keV
 ! The data are in 5 columns:  ! time, time error (+ve), time error (-ve), source flux, 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/00021423
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
392866.147	4642.328	-2229.277	3.07583258352034e-13	1.02894159464735e-13	-8.47174394812754e-14