! 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 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/00021816
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg
46264.483	191.447	-204.709	6.474767e-02	1.684136e-02	-1.684136e-02
47167.169	635.178	-711.239	3.504424e-02	6.743035e-03	-6.743035e-03
51832.556	285.690	-280.964	4.480112e-02	1.178064e-02	-1.178064e-02
52339.577	275.118	-221.331	5.063529e-02	1.338408e-02	-1.338408e-02
52999.235	267.350	-384.541	6.456964e-02	1.315934e-02	-1.315934e-02
119370.952	261.110	-235.340	5.063904e-02	1.322465e-02	-1.322465e-02
120318.410	537.209	-686.349	3.799430e-02	7.315554e-03	-7.315554e-03
125071.997	220.169	-293.832	4.782419e-02	1.251102e-02	-1.251102e-02
125483.913	292.166	-191.747	5.112196e-02	1.337374e-02	-1.337374e-02
126025.935	269.147	-249.856	5.075933e-02	1.281908e-02	-1.281908e-02
130419.323	141.187	-174.736	7.735161e-02	2.018921e-02	-2.018921e-02
130788.562	363.667	-228.053	5.501134e-02	1.244353e-02	-1.244353e-02