READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 82272.139 11913.306 -5391.587 3.319181e-03 1.384681e-03 -1.090582e-03 0.229795 7.609681e-05 7.686938e-06 1.714822 8 0.302605 3976.577799 251.814598 3.043495