READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 4493798.326 51851.848 -815.254 1.771283e-03 9.235397e-04 -7.010314e-04 0.088501 1.191349e-04 6.558160e-06 1.516268 6 0.555296 4661.070700 4.165119 2.526682