Confronting compositional confusion through the characterisation of the sub-Neptune orbiting HD 77946

L. Palethorpe, A. Anna John, A. Mortier +29

We report on the detailed characterization of the HD 77946 planetary system. HD 77946 is an F5 ($M_{\ast }$ = 1.17 M${}_{\odot }$, $R_{\ast }$ = 1.31 R${}_{\odot }$) star, which hosts a transiting p…