READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45714.051 8982.533 -37118.688 1.380427e-02 8.445499e-03 -6.008420e-03 0.018056 8.305522e-05 1.022339e-05 2.923174 4 0.069137 832.423600 4.879703 2.297487