READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 45730.703 9430.055 -3604.515 8.061728e-03 4.117861e-03 -3.123194e-03 0.080406 4.194996e-04 5.415716e-05 1.519623 6 0.439657 1048.051400 4.454094 2.581244