READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 47010.829 3721.080 -3667.318 4.166191e-03 1.773988e-03 -1.397202e-03 0.372953 1.664270e-04 1.377359e-05 1.522349 8 0.458593 2755.522700 198.701466 2.981811