CO band strengths for giants in galactic globular clusters Are they related to the second parameter problem?

Details CO band strengths for giants in galactic globular clusters Are they related to the second parameter problem? CO band strengths for giants in galactic globular clusters Are they related to the second parameter problem?

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...147..317c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 147, no. 2, June 1985, p. 317-320.

Astronomy and Astrophysics

Astrophysics

5

Carbon Monoxide, Giant Stars, Globular Clusters, Stellar Composition, Blue Stars, Metallicity, Milky Way Galaxy

Scientific paper

Data of CO band strengths for giant stars in galactic globular clusters have been investigated. The results appear compatible with CO abundance following the "second parameter" necessary to account for the observed HB morphology in very-blue metal-intermediate globular clusters. Nevertheless, the contribution of other mechanisms (e.g. stellar rotation, non canonical helium-core mass) cannot be excluded, mainly for the two anomalous blue clusters NGC 288 and M10.

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