The galactic globular cluster system - The metallicity ranking and the second parameter problem

Details The galactic globular cluster system - The metallicity ranking and the second parameter problem The galactic globular cluster system - The metallicity ranking and the second parameter problem

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...128..190c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 128, no. 1, Nov. 1983, p. 190-193.

Astronomy and Astrophysics

Astrophysics

10

Globular Clusters, Metallicity, Stellar Spectra, Carbon Monoxide, Giant Stars, Stellar Spectrophotometry

Scientific paper

High-dispersion spectroscopic measurements of [Fe/H] for stars in globular clusters are compared with the metallicity parameters ΔS, >S<, and Q(39). As previously pointed out by different observers, for high-metallicity clusters the high-dispersion results seem to be inconsistent with the photometric rankings. The account of CO band strengths seems to give an answer to this problem. Eventually, the author suggests that the above quoted inconsistency and the second parameter problem are presumably connected with the abundance of CNO elements.

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