READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 27771.740 22739.714 -11268.768 1.896447e-02 4.568224e-03 -4.568224e-03 0.040770 2.783723e-04 3.535332e-05 1.492841 18 0.385973 1386.536900 359.332919 4.151389 68707.998 4324.709 -6705.167 2.521273e-02 1.040001e-02 -8.196890e-03 0.042963 4.604097e-04 8.269202e-05 1.535312 8 0.218179 473.879700 198.586409 3.075889