! 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 33795.415 1273.275 -1106.153 1.089899e-02 2.511978e-03 -2.511978e-03 4.677903e-04 3.871460e-05 1.000000 39339.503 1455.566 -1059.256 9.464272e-03 3.495412e-03 -2.823977e-03 1.648549e-04 1.271883e-05 1.000000