READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 582451.051 812921.200 -290149.670 6.750249e-04 2.628340e-04 -2.145671e-04 0.018359 7.495329e-05 2.630345e-06 1.441704 11 1.517914 20251.462098 4.944510 3.145985