The TOI-1117 Multi-planetary System: 3 sub-Neptunes, 1 in both the Neptunian Desert and Radius Valley

Isobel S. Lockley, David J. Armstrong, Jorge Fernández Fernández +33

We present the discovery of three sub-Neptune planets around TOI-1117, a Sun-like star with mass $0.97\pm 0.02M_{\odot }$, radius $1.05\pm 0.03R_{\odot }$, age $4.42\pm 1.50$ Gyr and ef…