Long period variable stars.

Details Long period variable stars. Long period variable stars.

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998crasb.326..519a&link_type=abstract

Comptes Rendus de l'Academie des Sciences, Sér. II, Fasc. b, Tome 326, No. 8, p. 519 - 532

Computer Science

Long-Period Variables: Galaxy Evolution, Long-Period Variables: Mass Loss, Long-Period Variables: Agb Stars, Mira Stars: Stellar Models

Scientific paper

Long-period pulsating stars represent the last stage in the evolution of stars with a mass in the approximate range 1 to 9 Msun. These pulsationally-unstable stars are variable stars with large visual amplitude. These pulsations trigger shock waves propagating through the very extended atmosphere, which in the end cause a strong mass loss. Their strong mass loss, coupled with their high frequency in the Galaxy, make these stars major contributors to the interstellar matter. Because these stars are also the site of a rich nucleosynthesis, they play a key role in the chemical evolution of the Galaxy.

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