READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 22133.616 17059.894 -12912.591 7.374626e-03 2.376485e-03 -2.376485e-03 0.145641 1.106064e-03 2.978503e-05 2.443993 18 4.828200 4365.209300 101.307592 3.103166