READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 41476.966 3169.116 -5090.400 8.834475e-03 2.121092e-03 -2.121092e-03 0.402527 9.881219e-05 1.078129e-05 1.662102 18 0.328519 3324.679800 493.006023 4.165059 49932.420 5805.412 -609.016 4.096759e-03 2.533231e-03 -1.800426e-03 0.257202 6.577344e-05 1.003036e-05 1.737046 4 0.108513 1649.803400 4.515570 2.275439