READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 387734.529 42614.675 -33918.081 3.195842e-03 1.395790e-03 -1.099331e-03 0.050518 1.675584e-04 1.019728e-05 1.680624 8 0.647824 3866.256600 186.483696 2.907078 1143647.297 93702.358 -55728.261 2.339923e-03 7.976444e-04 -6.571160e-04 0.059029 8.434184e-05 4.813643e-06 1.833664 12 0.743952 8820.681400 265.100111 3.560898