Stellar - A Stars
General Astro > Spectroscopy > Littrow
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A Stars
z Ursae - Mizar
a Lyrae - Vega
a Aquilae - Altair
Gamma Ursa Major, also known as Phecda, is an Ae star of spectral type A0V SB and is usually listed within the Be series of stars. No emission lines were detected.