Ae star

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A star of spectral type A which exhibits emission lines in its spectrum (hence the suffix ‘e’). Usually these are sharp emission lines of hydrogen, and are superimposed on an otherwise normal spectrum. These lines arise in a surrounding expanding shell or disk of material. Ae stars are young stars still in the process of formation. See also Herbig Ae/Be Star.

Subjects: Astronomy and Astrophysics.

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