The variability of carbon stars in the Sagittarius dwarf spheroidal galaxy

Context. Stars have been forming in massive dwarf spheroidal galaxies continuously for several Gyr. The detection of AGB carbon stars indicates that an intermediate-age population is present. Sagittarius, the most massive, contains some 100 carbon stars. Most of them are probably variable. Aims. Usi...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2013-05, Vol.553, p.1-6
Hauptverfasser:	Battinelli, P., Demers, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Astronomy Carbon stars galaxies: individual: Sagittarius dwarf spheroidal Metallicity Monitoring Spheroidal galaxies Stars stars: AGB and post-AGB stars: carbon stars: variables: general
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