READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 1874.502 3399.400 -1177.355 3.996011e-02 7.323671e-03 -7.323671e-03 0.291995 4.626583e-04 5.172677e-05 1.757713 31 0.618292 1336.390900 439.504511 5.456295 11945.304 5299.885 -2033.266 6.921085e-03 1.879886e-03 -1.879886e-03 0.393884 2.561192e-04 1.775867e-05 1.401866 15 0.739777 2888.409600 278.007847 3.681651