A-type supergiants, such as Deneb, may be as hot as 11,000 K and have masses up to 16 Msun and luminosities of up to 35,000 Lsun.
Among A-type peculiar stars are Ae stars, Am stars, and Ap stars. Also, two of the main kinds of pulsating variables, RR Lyrae stars and Delta Scuti stars, have surface temperatures in the A-star range.
Related category• TYPES OF STAR
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