READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 48049.641 149.235 -154.148 2.950559e-02 1.556566e-02 -1.148655e-02 1.000000 2.885605e-05 2.040431e-05 1.793529 5 0.008754 303.383300 806.297676 2.568708