READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 50139.939 17922.576 -4828.262 5.525021e-03 1.290388e-03 -1.290388e-03 0.234631 2.578425e-04 1.378226e-05 1.502923 21 1.376374 5338.041700 266.733001 4.281674 367458.927 39407.580 -40867.302 7.287100e-03 1.852414e-03 -1.852414e-03 0.040916 3.978991e-04 2.531771e-05 1.433824 18 1.306925 3284.563000 200.740161 3.933840