! Swift/XRT lightcurve of trigger: 773509, name: GRB 170921A
 ! T0 for this burst is Swift MET=527696948.224 s, = 2017 Sep 21 at 14:28:48.503 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/00773509
 ! BINMODE: GRB-like (counts)

READ TERR 1 2
! WTSLEW data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
84.3633742773393	1.57157376658688	-2.06148922571502	3.30938803579129e-10	6.06618317151975e-11	-6.0704757287126e-11
88.4840247141409	2.50361133237175	-2.54907667021466	2.14256635170397e-10	3.91198966903002e-11	-3.9124161111088e-11
NO	NO	NO	NO	NO
! PC data
!Time    	T_+ve   	T_-ve   	Flux    	Fluxpos 	Fluxneg
111.715	8.073	-6.971	1.116740808e-10	2.386964718e-11	-2.386964718e-11
124.981	7.343	-5.193	1.314690066e-10	2.80530459e-11	-2.80530459e-11
142.893	17.012	-10.568	5.68283274e-11	1.24562214e-11	-1.24562214e-11
186.716	40.887	-26.811	2.210533758e-11	4.961394e-12	-4.961394e-12
304.547	73.495	-76.944	1.011705768e-11	2.277093456e-12	-2.277093456e-12
448.677	67.266	-70.636	9.36957906e-12	2.111025438e-12	-2.111025438e-12
618.981	85.011	-103.037	4.45646178e-12	1.006094574e-12	-1.006094574e-12
788.116	76.344	-84.124	5.33065824e-12	1.196538642e-12	-1.196538642e-12
977.032	88.013	-112.572	4.19098086e-12	9.45249012e-13	-9.45249012e-13
1247.254	198.898	-182.209	2.850537852e-12	5.6863485e-13	-5.6863485e-13
5131.291	423.914	-360.878	8.84873358e-13	2.329076772e-13	-2.329076772e-13
6324.674	857.762	-769.469	6.98709762e-13	1.43729262e-13	-1.43729262e-13
11901.913	4606.425	-1438.011	4.00212846e-13	8.99342352e-14	-8.99342352e-14
31726.962	37983.425	-8896.161	1.536108732e-13	3.9033315e-14	-3.9033315e-14
81244.522	17357.867	-7520.846	6.85974708e-14	2.778090624e-14	-2.218362822e-14