1988The Astronomical JournalRequires access

Spectroscopy of unusual emission-line stars

B. W. Bopp

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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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What this paper is about

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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Available 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.

Key concepts: Physics, T Tauri star, Stars, Supergiant, Astrophysics, Emission spectrum, K-type main-sequence star, Herbig Ae/Be star

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