READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 87388.752 5333.379 -2192.945 6.432618e-03 1.494434e-03 -1.494434e-03 0.529355 1.880053e-04 1.242374e-05 1.331268 20 0.749032 3984.099700 388.928808 4.304384 468967.862 19053.485 -50013.844 5.577652e-03 1.855510e-03 -1.528608e-03 0.041857 1.612694e-04 1.367869e-05 1.398000 12 0.466217 2890.916900 291.669852 3.648845