READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 55576.311 12486.201 -10264.631 2.489214e-03 1.226895e-03 -9.305392e-04 0.234631 4.458497e-05 3.880623e-06 2.306062 6 0.237996 5338.041700 278.157058 2.675023 364974.626 41891.884 -38382.994 2.238669e-03 2.116705e-03 -1.294872e-03 0.032202 1.389667e-05 2.580547e-06 2.946547 2 0.035923 2585.026300 3.374434 1.728873