READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 15661.173 725.033 -725.033 6.8837e-03 0.0000e+00 0.0000e+00 0.9441 3.6299e-04 2.2425e-05 1.5932 0 0.4969 1368.9858 0.0000 inf