READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 66996.271 15200.643 -8415.091 7.862572e-03 1.841805e-03 -1.841805e-03 0.159468 1.039687e-04 8.818506e-06 1.591221 19 0.391542 3765.964599 560.323880 4.268949 174290.076 35965.954 -33514.289 5.594545e-03 1.252344e-03 -1.252344e-03 0.094835 1.586246e-04 8.515413e-06 1.759191 22 1.045207 6589.184399 373.461653 4.467257