! Swift/XRT lightcurve of trigger: 1047531, name: GRB 210509A
 ! T0 for this burst is Swift MET=642263567.424 s, = 2021 May 09 at 14:32:20.436 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/01047531
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
3327.249	133.055	-117.676	3.899666335e-12	8.79641695e-13	-8.79641695e-13
3592.655	148.468	-132.351	2.60430215e-12	6.7965201e-13	-6.7965201e-13
3912.765	109.176	-171.642	2.592879935e-12	6.76670945e-13	-6.76670945e-13
4108.155	116.879	-86.214	3.860374105e-12	9.72138845e-13	-9.72138845e-13
4362.831	170.602	-137.798	2.35970788e-12	6.1884097e-13	-6.1884097e-13
4710.047	222.041	-176.615	2.682015635e-12	5.79829585e-13	-5.79829585e-13
10303.207	508.479	-532.050	1.149498585e-12	2.44137097e-13	-2.44137097e-13
18859.688	8617.445	-3051.740	4.84565855e-13	1.182485825e-13	-1.182485825e-13
61579.321	92349.145	-17216.368	8.32680935e-14	2.76563595e-14	-2.29554013e-14