CHARA Interferometry and TESS Asteroseismology of the Core-Helium Burning Red Giant $\hat{I}º$ Cyg

Arnab Chowhan, Timothy R. Bedding, Daniel Huber +5

We present a detailed study of the secondary red clump star, $\hat{I}º$ Cyg, by combining long-baseline visible interferometry using the PAVO beam combiner at the CHARA Array with high-p…