Discovery and analysis of p-mode and g-mode oscillations in the A-type primary of the eccentric binary HD 209295
Handler, G × Balona, LA Shobbrook, RR Koen, C Bruch, A Romero-Colmenero, E Pamyatnykh, AA Willems, B Eyer, L James, DJ Maas, Thomas #
Blackwell publishing ltd
Monthly notices of the royal astronomical society vol:333 issue:2 pages:262-278
We have discovered both intermediate-order gravity mode and low-order pressure mode pulsation in the same star, HD 209295. It is therefore both a gamma Doradus and a delta Scuti star, which makes it the first pulsating star to be a member of two classes.