! Swift/XRT lightcurve of trigger: 21816, name: GRB 250309B/IceCube-250309A - source 16
 ! 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
46264.483	191.447	-204.709	2.02628487733507e-12	5.2705206352222e-13	-5.2705206352222e-13
47167.169	635.178	-711.239	1.09671303306668e-12	2.11023961909997e-13	-2.11023961909997e-13
51832.556	285.690	-280.964	1.4020555788907e-12	3.68676319585378e-13	-3.68676319585378e-13
52339.577	275.118	-221.331	1.58463651875775e-12	4.1885613646086e-13	-4.1885613646086e-13
53939.104	3728.937	-1324.409	1.47802506266406e-12	2.68536846870511e-13	-2.68536846870511e-13
119370.952	261.110	-235.340	1.5847538753868e-12	4.13866758495699e-13	-4.13866758495699e-13
120318.410	537.209	-686.349	1.18903545895832e-12	2.28941001885135e-13	-2.28941001885135e-13
125071.997	220.169	-293.832	1.49666286011217e-12	3.91533635512083e-13	-3.91533635512083e-13
125483.913	292.166	-191.747	1.59986690560028e-12	4.18532545115695e-13	-4.18532545115695e-13
126025.935	269.147	-249.856	1.5885183630957e-12	4.01174404350743e-13	-4.01174404350743e-13
130419.323	141.187	-174.736	2.42072645363949e-12	6.31823367672411e-13	-6.31823367672411e-13
130788.562	363.667	-228.053	1.72158544583825e-12	3.89421529140203e-13	-3.89421529140203e-13
135947.424	71.461	-76.470	1.02842900021651e-12	7.43234553418715e-13	-5.00559821605091e-13