READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 171894.183 12620.691 -5953.726 2.453387e-03 1.155107e-03 -9.097678e-04 0.254450 2.496042e-04 1.157512e-05 1.700198 8 1.179694 4726.260500 4.104577 2.696718