READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 174301.730 224.808 -294.207 3.639501e-02 9.657366e-03 -9.657366e-03 1.000000 7.759598e-04 1.046304e-04 1.294048 15 0.402735 519.015140 268.802673 3.768627 175143.003 582.021 -616.465 2.091400e-02 4.845648e-03 -4.845648e-03 1.000000 5.804268e-04 5.955053e-05 1.298417 20 0.695633 1198.485360 270.481269 4.316038