! Swift/XRT detailed lightcurve of trigger: 21535, name: GRB 230204B ! T0 for this burst is Swift MET=697239895.841 s, = 2023 Feb 04 at 21:44:25.141 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 91324.320 18774.815 -10700.531 5.076380e-03 1.311985e-03 -1.311985e-03 2.023310e-04 1.160448e-05 0.175232 848526.724 17095.845 -7421.358 1.663388e-03 9.299256e-04 -7.053027e-04 2.029222e-04 1.118746e-05 0.184899 NO NO NO NO NO ! PC upper limits 2313931.799 20071.266 -20071.266 4.5429e-03 0.0000e+00 0.0000e+00 1.0833e-04 7.6986e-06 0.0659