READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 56766.847 4441.354 -2942.827 6.814868e-03 1.592591e-03 -1.592591e-03 0.524605 2.224390e-04 1.479642e-05 1.379394 20 0.861679 3873.778500 333.896919 4.279107