READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 27647.673 892.390 -597.531 1.475866e-02 8.070522e-03 -5.955573e-03 0.373591 3.315277e-04 7.068194e-05 1.706122 5 0.184535 556.620600 4.770320 2.478127