READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 40512.814 10041.226 -1577.783 9.005595e-03 2.386482e-03 -2.386482e-03 0.221404 1.493645e-04 1.501170e-05 1.585056 15 0.384239 2572.489800 378.475740 3.773586