READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 515865.729 447936.281 -269681.409 7.970144e-03 1.608628e-03 -1.608628e-03 0.007515 4.201092e-05 4.726598e-06 1.735109 25 0.226573 5393.202300 971.830958 4.954621 1543295.221 18643.879 -23104.473 5.773438e-03 1.494196e-03 -1.494196e-03 0.123658 6.800505e-06 1.602894e-06 1.991698 15 0.035108 5162.530700 1808.448085 3.863910