READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 81547.964 56698.162 -36855.514 1.083560e-02 2.227659e-03 -2.227659e-03 0.038137 1.901174e-04 1.315070e-05 1.589537 25 0.678318 3567.887900 518.362534 4.864122 154362.938 630.255 -788.877 1.907139e-02 4.319401e-03 -4.319401e-03 1.000000 1.788193e-04 2.184626e-05 1.370632 20 0.253768 1419.131800 636.919324 4.415286 240274.935 571.971 -518.705 2.147257e-02 5.121234e-03 -5.121234e-03 1.000000 1.933230e-04 2.583388e-05 1.316511 18 0.210853 1090.675500 631.349660 4.192850