READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 5766.938 827.370 -852.521 1.336425e-02 4.055854e-03 -4.055854e-03 1.000000 2.385399e-03 1.092199e-04 1.604432 18 4.007210 1679.891000 76.264316 3.295052