READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 30855.963 36876.613 -26588.602 7.274229e-04 3.182971e-04 -2.508697e-04 0.264576 3.956170e-05 2.065104e-06 1.665000 8 0.664296 16791.388098 4.978630 2.899605