The $\hat{I}¼$ Herculis system solved after nearly three centuries

Marcus L. Marcussen, Mikkel N. Lund, Frank Grundahl +11

$\hat{I}¼$ Herculis is a bright, nearby quadruple system. Its brightest member, $\hat{I}¼$ Her Aa, displays solar-like oscillations, establishing the system as a crucial benchmark for asterose…