CH stars in the Large Magellanic Cloud and in our Galaxy

Details CH stars in the Large Magellanic Cloud and in our Galaxy CH stars in the Large Magellanic Cloud and in our Galaxy

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.259....6f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 259, no. 1, p. 6-16.

Astronomy and Astrophysics

Astronomy

31

Carbon Stars, Hydrocarbons, Magellanic Clouds, Milky Way Galaxy, Astronomical Photometry, Globular Clusters, Massive Stars, Stellar Evolution, Stellar Luminosity, Variable Stars

Scientific paper

Infrared JHK photometry is given for all the proposed LMC CH stars in the list of Hartwick and Cowley (43 stars). Their luminosities range up to M(bol) of -6 or brighter, making them the most massive carbon stars in the LMC. However, the kinematic discussion of Hartwick and Cowley suggests an age of a few Gyr for them. They may thus be the products of binary mergers, i.e. evolutionary products of blue stragglers of an intermediate-age population. Some analogous stars in the halo of the Galaxy may have evolved from globular cluster type blue stragglers.

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