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Elemental abundance ratios in stars of the outer galactic disk. IV. A new sample of open clusters

Yong, David; Carney, B W; Friel, Eileen D.


We present radial velocities and chemical abundances for nine stars in the old, distant open clusters Be18, Be21, Be22, Be32, and PWM4. For Be18 and PWM4, these are the first chemical abundance measurements. Combining our data with literature results produces a compilation of some 68 chemical abundance measurements in 49 unique clusters. For this combined sample, we study the chemical abundances of open clusters as a function of distance, age, and metallicity. We confirm that the metallicity...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Astronomical Journal
DOI: 10.1088/0004-6256/144/4/95
Access Rights: Open Access


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