Yellow giants in young clusters. II - A comparison of observation with theory

Details Yellow giants in young clusters. II - A comparison of observation with theory Yellow giants in young clusters. II - A comparison of observation with theory

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...287..261s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 287, Dec. 1, 1984, p. 261-267.

Other

14

Cepheid Variables, Giant Stars, Star Clusters, Supergiant Stars, Helium, Hertzsprung-Russell Diagram, Stellar Cores, Stellar Evolution, Stellar Luminosity, Stellar Temperature

Scientific paper

Luminosities and effective temperatures are calculated for 17 nonvariable yellow giants and supergiants and nine Cepheids which were previously identified as members of open clusters. These stars are identified as being in the helium core burning stage of evolution. A comparison with the predictions of pulsation theory does not show any disagreement. On the other hand, several comparisons with the theory of stellar evolution produce discrepancies which suggest that effects neglected in the calculations may play an important role in the evolution of these stars.

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