READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 164503.773 2236.445 -4112.855 3.924542e-03 1.960241e-03 -1.565756e-03 0.454523 7.743580e-04 3.473471e-05 1.674183 9 2.234722 2885.902300 3.412523 2.506484 361441.163 87479.077 -72027.049 2.485306e-03 1.224312e-03 -9.896928e-04 0.032319 5.466983e-04 2.174649e-05 1.783872 10 2.818234 5155.008800 3.336724 2.511189