! Swift/XRT lightcurve of trigger: 1156572, name: GRB 230228A ! T0 for this burst is Swift MET=699256281.088 s, = 2023 Feb 28 at 05:50:50.250 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/01156572 ! BINMODE: GRB-like (counts) READ TERR 1 2 ! WTSLEW data !Time T_+ve T_-ve Rate Ratepos Rateneg 108.080461598701 4.58626832836171 -5.41512667553729 1.76662155560419 0.428493779025989 -0.42850398606076 NO NO NO NO NO ! PC data !Time T_+ve T_-ve Rate Ratepos Rateneg 180.633 47.224 -53.069 4.249627e-01 9.597232e-02 -9.597232e-02 267.962 47.651 -40.105 4.863453e-01 1.098348e-01 -1.098348e-01 358.887 44.483 -43.274 3.681879e-01 8.112040e-02 -8.112040e-02 438.124 32.943 -34.754 3.596862e-01 8.143146e-02 -8.143146e-02 504.277 34.487 -33.210 3.614260e-01 8.145593e-02 -8.145593e-02 588.244 45.798 -49.480 2.537529e-01 5.725385e-02 -5.725385e-02 690.702 56.170 -56.659 2.160488e-01 4.919138e-02 -4.919138e-02 809.196 65.549 -62.324 1.916661e-01 4.339242e-02 -4.339242e-02 948.450 56.677 -73.704 1.853242e-01 4.209982e-02 -4.209982e-02 1080.308 95.316 -75.182 1.475374e-01 3.314979e-02 -3.314979e-02 1245.224 115.942 -69.600 1.306809e-01 2.989058e-02 -2.989058e-02 1449.160 112.592 -87.993 1.191288e-01 2.743678e-02 -2.743678e-02 1715.012 137.576 -153.260 8.133175e-02 1.877496e-02 -1.877496e-02 8421.295 21138.151 -3139.430 1.560492e-02 2.538742e-03 -2.538742e-03 NO NO NO NO NO ! PC upper limits 88595.108 9122.047 -26151.159 3.0226e-03 0.0000e+00 0.0000e+00