! Swift/XRT lightcurve of trigger: 20885, name: GRB 190331B - source 2
 ! T0 for this burst is Swift MET=575697545.0 s, = 2019 Mar 31 at 03:58:42.340 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/00020885
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
169480.089	352092.192	-96190.315	1.14005711735945e-13	2.71561119114078e-14	-2.71561119114078e-14
532019.346	1612.137	-5448.164	2.18572598871431e-13	7.90506095390288e-14	-6.38657426122372e-14