Astro*Dictionary by Michael Erlewine
1 article for "Long-Period Variable"
Long-Period Variable [Astro*Index]A star with regular variation cycles, which may last from 90 days to several hundred years. Usually a very cool star, (classes M, S, R, N). Very common in our galaxy, which may contain 100,000 such stars.
See also:
♦ Variable Star ♦ Spectral Class
Astro*Index Copyright © 1997 Michael Erlewine