! Swift/XRT lightcurve of trigger: 21428, name: GRB 210413B - source 2
 ! T0 for this burst is Swift MET=640050438.9 s, = 2021 Apr 13 at 23:46:52.071 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/00021428
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
194017.102	12686.041	-8843.815	2.040310e-03	9.455931e-04	-7.328269e-04
NO	NO	NO	NO	NO	NO
! PC Upper limit
2477169.723	14429.459	-14429.459	2.2831e-02	0.0000e+00	0.0000e+00
3169846.030	26212.807	-26212.807	1.5080e-02	0.0000e+00	0.0000e+00