READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 6174.371 4910.004 -2299.876 1.265209e-02 2.873602e-03 -2.873602e-03 0.292813 3.888064e-04 3.549301e-05 1.323663 21 0.820827 2111.146600 269.303592 4.402868 16345.057 496.225 -953.240 1.973156e-02 5.106034e-03 -5.106034e-03 0.716142 1.023737e-03 9.084194e-05 1.285146 17 1.062661 1038.022200 169.014030 3.864362