READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 36477.978 7061.680 -4529.927 1.719360e-02 5.520194e-03 -4.547650e-03 0.112478 3.794319e-05 9.796890e-06 1.875738 12 0.049470 1303.796000 935.598045 3.780766