WIYN Open Cluster Study: The Metallicity of NGC 2451 A and B

Details WIYN Open Cluster Study: The Metallicity of NGC 2451 A and B WIYN Open Cluster Study: The Metallicity of NGC 2451 A and B

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.5707m&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #57.07; Bulletin of the American Astronomical Society, Vol. 33, p.1388

Astronomy and Astrophysics

Astronomy

Scientific paper

We have analyzed high-S/N (200/pixel) high resolution (R 20,000 = 2.5 pixels) spectra of proper-motion-selected main-sequence members belonging to the young (100 Myr) open clusters NGC 2451 A and B, taken at the WIYN 3.5m telescope with the Hydra multi-object spectrograph. We present an improved metallicity determination for cluster A based on an increased sample size of 50 members, and our first determination of cluster B's metallicity based on a sample of 40 members. Although both clusters are roughly coeval, they do not appear to share the same metallicity. Implications for this difference are discussed.

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