! Swift/XRT detailed 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
 ! For details of light-curve production, see Evans et al. 2007, A&A, 469, 379
 ! BINMODE: GRB-like (counts)
READ TERR 1 2
READ SERR 3
!Time    	T_+ve   	T_-ve   	Rate    	Ratepos 	Rateneg 	BGrate  	BGerr   	FracExp
! PC data
3327.249	133.055	-117.676	9.872573e-02	2.226941e-02	-2.226941e-02	6.887824e-04	1.988343e-04	1.000000
3592.655	148.468	-132.351	6.593170e-02	1.720638e-02	-1.720638e-02	5.637356e-04	1.699727e-04	1.000000
3912.765	109.176	-171.642	6.564253e-02	1.713091e-02	-1.713091e-02	5.637360e-04	1.699728e-04	1.000000
4108.155	116.879	-86.214	9.773099e-02	2.461111e-02	-2.461111e-02	5.668992e-04	2.004291e-04	1.000000
4362.831	170.602	-137.798	5.973944e-02	1.566686e-02	-1.566686e-02	7.466475e-04	1.866619e-04	1.000000
4710.047	222.041	-176.615	6.789913e-02	1.467923e-02	-1.467923e-02	7.581068e-04	1.654325e-04	1.000000
10303.207	508.479	-532.050	2.910123e-02	6.180686e-03	-6.180686e-03	4.015565e-04	5.141404e-05	1.000000
18859.688	8617.445	-3051.740	1.226749e-02	2.993635e-03	-2.993635e-03	3.156427e-04	3.065793e-05	0.166306
61579.321	92349.145	-17216.368	2.108053e-03	7.001610e-04	-5.811494e-04	1.219904e-04	5.822282e-06	0.076730