READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 49958.432 93473.154 -20217.395 2.075864e-03 7.281371e-04 -5.998544e-04 0.069910 1.335315e-04 6.246338e-06 1.508297 12 1.061327 7948.141000 220.329976 3.460614