! Swift/XRT lightcurve of trigger: 21514, name: GRB 220921A - source 7 ! T0 for this burst is Swift MET=685451188.956 s, = 2022 Sep 21 at 11:05:59.000 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/00021514 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 42269.292 2937.693 -2939.434 4.875907e-03 3.096529e-03 -2.202978e-03