! Swift/XRT lightcurve of trigger: 21816, name: GRB 250309B/IceCube-250309A - source 15
 ! T0 for this burst is Swift MET=763198746.212 s, = 2025 Mar 09 at 07:38:31.000 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/00021816
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
46481.264	240.442	-421.491	2.64487453174271e-12	6.91839187655104e-13	-6.91839187655104e-13
46972.670	260.529	-250.964	3.36117299345396e-12	8.75257364565708e-13	-8.75257364565708e-13
47402.032	400.315	-168.833	3.09648942005061e-12	8.10336652744456e-13	-8.10336652744456e-13
51758.791	196.479	-207.199	2.45103484479887e-12	6.41711224802222e-13	-6.41711224802222e-13
52083.140	190.560	-127.869	2.95878000612952e-12	7.71857600013483e-13	-7.71857600013483e-13
53661.174	4006.866	-1387.475	1.88522378731638e-12	3.24382099520086e-13	-3.24382099520086e-13
120019.489	836.131	-883.877	1.17921454341129e-12	3.1947917372792e-13	-3.1947917372792e-13
125468.425	826.657	-690.259	7.67181009835193e-13	1.75760095627962e-13	-1.75760095627962e-13
131655.796	4363.089	-1411.210	8.66723516733312e-13	2.21620295248401e-13	-2.21620295248401e-13