Spectroscopy of unusual emission-line stars
B. W. Bopp
Abstract
B. W. Bopp
Abstract
New spectroscopic observations are reported for ten stars that have been identified in the literature as having Hα emission with suspected F, G, or K spectral types. Three of the stars are shown to be Be stars, two are confirmed as early-type supergiants, three show composite (F or K+B) spectra, one is a "post-T Tauri" star, and one is an ordinary F star without emission.
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New spectroscopic observations are reported for ten stars that have been identified in the literature as having Hα emission with suspected F, G, or K spectral types. Three of the stars are shown to be Be stars, two are confirmed as early-type supergiants, three show composite (F or K+B) spectra, one is a "post-T Tauri" star, and one is an ordinary F star without emission.
Key concepts: Physics, T Tauri star, Stars, Supergiant, Astrophysics, Emission spectrum, K-type main-sequence star, Herbig Ae/Be star