READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 50957.329 10318.959 -8184.160 3.228274e-02 1.112138e-02 -9.079049e-03 0.030354 5.036404e-04 7.771340e-05 1.691809 11 0.282862 561.635200 245.543590 3.555740