READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 12894.587 28048.937 -12743.382 8.687884e-04 5.081447e-04 -3.753166e-04 0.255756 4.794536e-05 2.749855e-06 2.014214 5 0.500208 10432.875300 3.704469 2.314815