READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 23550.810 21013.348 -12142.926 2.526876e-03 1.160097e-03 -8.990655e-04 0.160996 7.453634e-05 5.618388e-06 2.043103 7 0.397878 5338.041700 220.135368 2.810558 147296.260 6409.884 -6431.932 1.684517e-03 1.042528e-03 -7.416902e-04 0.350660 2.542546e-05 4.179920e-06 1.952024 4 0.114494 4503.110800 4.470529 2.271186