READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 41679.678 2808.685 -4268.373 1.383972e-02 3.255692e-03 -3.255692e-03 0.311417 2.131895e-04 1.808250e-05 1.646052 19 0.469852 2203.916700 464.970418 4.250930 57422.831 171011.153 -8540.959 1.012072e-02 1.952773e-03 -1.952773e-03 0.022622 1.414930e-04 9.858286e-06 1.498931 28 0.574720 4061.825999 684.901842 5.182742