READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 180384.362 29866.919 -10442.627 2.536494e-03 1.869774e-03 -1.257816e-03 0.066804 3.026627e-05 4.238126e-06 2.340772 3 0.081502 2692.840200 3.888130 2.016586 509270.219 6140.929 -12115.304 1.486654e-03 9.306097e-04 -6.620678e-04 0.215760 4.022708e-05 4.042973e-06 1.524175 4 0.158453 3938.968300 4.190421 2.245470