READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 8170.143 178.517 -210.172 1.034611e-01 2.081904e-02 -2.081904e-02 0.941796 4.142903e-04 9.764916e-05 1.524189 25 0.151658 366.065800 695.135939 4.969541 246563.129 54015.076 -26602.307 3.241008e-03 1.162292e-03 -9.488487e-04 0.050571 1.728767e-04 1.277941e-05 1.283455 11 0.704796 4076.869799 197.604661 3.415727