! Swift/XRT detailed lightcurve of trigger: 21534, name: GRB 221231A ! T0 for this burst is Swift MET=694215995.756 s, = 2022 Dec 31 at 21:46:05.262 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 35492.678 8810.197 -2803.417 1.045648e-02 1.976609e-03 -1.976609e-03 3.094368e-04 1.727108e-05 0.429196 109728.574 10264.624 -2496.351 3.218045e-03 1.110100e-03 -9.145230e-04 1.792493e-04 1.086859e-05 0.383533