Discovery of carbon stars in the Galactic bulge

Details Discovery of carbon stars in the Galactic bulge Discovery of carbon stars in the Galactic bulge

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...145l...4a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 145, no. 2, April 1985, p. L4-L6.

Astronomy and Astrophysics

Astrophysics

27

Carbon Stars, Galactic Bulge, Galactic Nuclei, Metallicity, Color-Magnitude Diagram, Star Distribution, Swan Bands

Scientific paper

The authors report the discovery of a total of 15 carbon star candidates in the galactic centre windows. These objects were detected by their strong Swan bands of C2 in a green Grens survey with the CFH 3.6-m telescope. Three of them have been confirmed as carbon stars by IDS observations at the ESO 3.6-m telescope. These carbon stars are relatively blue and of low V luminosity, and exhibit a strong stellar Na I doublet. They do not fit into present schemes for stellar populations in the galactic centre and are either low-metallicity, relatively young objects or members of binary systems.

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