READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 4516690.994 28959.180 -23707.916 2.063102e-03 9.997221e-04 -7.747764e-04 0.088501 1.598655e-04 8.936751e-06 1.537372 7 0.745144 4661.070700 4.310624 2.662835