! Swift/XRT lightcurve of trigger: 21825, name: GRB 250331D - source 4
 ! T0 for this burst is Swift MET=765092992.345 s, = 2025 Mar 31 at 05:49:17.000 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/00021825
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
55630.801	12431.713	-10319.120	1.766934e-03	9.493427e-04	-7.206176e-04
NO	NO	NO	NO	NO
! PC upper limits
326958.945	79907.562	-367.319	4.4258e-03	0.0000e+00	0.0000e+00