WIYN Open Cluster Study: Metallicity of M35

Details WIYN Open Cluster Study: Metallicity of M35 WIYN Open Cluster Study: Metallicity of M35

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.4203d&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #42.03; Bulletin of the American Astronomical Society, Vol. 33, p.843

Astronomy and Astrophysics

Astronomy

Scientific paper

M35 is a very rich open cluster whose age, while somewhat uncertain, is likely to be older than that of the Pleiades, possibly by as much as 100 Myr. Perhaps surprising for such a young cluster, previous studies suggest that M35 may be somewhat metal-poor; Barrado et al. (2001) found [Fe/H] = -0.21 +/- 0.10, as compared to the Pleiades' solar metallicity. We independently check this intriguing possibility by presenting abundances derived from WIYN/Hydra spectra of high signal-to-noise (about 200) and high resolution (about 20,000) taken in the lithium 6708 A region (see our M35 lithium poster), in slowly rotating F and G stars of the cluster. This work is supported by NSF Grant AST-9812735.

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