READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 85863.480 6351.816 -5226.570 1.320912e-02 4.268519e-03 -3.542968e-03 0.143356 4.175742e-04 4.134600e-05 1.781500 13 0.693103 1659.832600 179.329082 3.728264