READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 122294.872 453881.728 -75266.713 3.638996e-03 9.142689e-04 -9.142689e-04 0.012050 1.743273e-04 9.745191e-06 1.373864 18 1.111522 6376.063900 271.798778 3.980226 640485.084 10270.976 -19869.924 2.215836e-03 7.557477e-04 -6.226006e-04 0.238161 1.044551e-04 6.030721e-06 1.413880 12 0.749821 7178.399899 259.873840 3.559000