READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 46857.278 19911.366 -36645.164 5.825093e-03 2.511220e-03 -1.979249e-03 0.049919 1.963604e-04 1.463584e-05 2.208638 8 0.554368 2823.219800 180.193557 2.943083