Superionization in the AOV star HD 119921.

Franco, M.; Molaro, P.; Morossi, C.; Ramella, M.

Italy, Argentina

Abstract

The IUE high-resolution spectrum of the A0 V star HD 119921 is studied. The anomalous presence of superionized elements (C IV, Si IV) is reported. The authors' analysis excludes classification errors or the presence of a hot companion as the source of the C IV and Si IV lines.

1983 Astronomy and Astrophysics
IUE 5