READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 54774.891 2497.466 -2071.290 5.515692e-03 3.148406e-03 -2.325419e-03 0.290311 2.935235e-04 2.786001e-05 1.586598 5 0.389318 1326.361700 3.990304 2.371914