! Swift/XRT lightcurve of trigger: 20885, name: GRB 190331B - source 1
 ! 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
75178.703	3820.534	-1888.930	3.51900674497874e-13	8.44399922486828e-14	-8.44399922486828e-14
327193.129	16470.125	-1843.551	2.27278695490879e-13	5.6858394688065e-14	-5.6858394688065e-14
513034.915	3379.202	-3768.926	3.09432115720187e-13	6.86663697805196e-14	-6.86663697805196e-14
524842.720	2731.382	-3997.556	3.55016223973049e-13	9.01047283053723e-14	-9.01047283053723e-14
533296.711	334.772	-392.345	2.19696853259183e-13	1.36142982895399e-13	-9.68568266135159e-14