READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 546802.814 802851.277 -254501.442 2.196749e-03 5.568575e-04 -5.568575e-04 0.012931 9.227768e-05 4.211881e-06 1.794360 18 1.261649 13672.306899 290.666387 3.944904 1382574.704 12797.549 -5847.089 4.235474e-03 1.952505e-03 -1.513176e-03 0.145506 1.567694e-04 1.324944e-05 1.747591 7 0.425300 2712.898600 182.913194 2.799063