HD219666b: A hot-Neptune from TESS Sector 1

M. Esposito, D. J. Armstrong, D. Gandolfi +73

We report on the confirmation and mass determination of a transiting planet orbiting the old and inactive G7 dwarf star HD219666 (Mstar = 0.92 +/- 0.03 MSun, Rstar = 1.03 +/- 0.03…