Asteroseismology of Epsilon Tauri (Ain)

Asteroseismology gives a slightly lower mass estimate for the red giant star Epsilon Tauri, at 2.458±0.073 M_☉, leading to a minimum mass for the planet of 7.1±0.2 M_J.

Arentoft et al. "Asteroseismology of the Hyades red giant and planet host ε Tau"
https://arxiv.org/abs/1901.06187