Release 11.12 ("Hergest Ridge")
Release 11.12 ("Hergest Ridge")
| Article ID: gc331 | |
| Author | Lee, Jae-Woo; Carney, Bruce W. |
| Title | Chemical Abundances of Three Metal-poor Globular Clusters (NGC 6287, NGC 6293, and NGC 6541) in the Inner Halo |
| Journal | The Astronomical Journal, Volume 124, Issue 3, pp. 1511-1527 |
| Year of publication | 2002 (on gclusters from 2013-04-10 11:14:44 ) |
| Abstract | We present a chemical abundance study of three inner old halo clusters, NGC 6287, 6293, and 6541, finding [Fe/H]=-2.01+/-0.05, -1.99+/-0.02, and -1.76+/-0.02 (internal), respectively, and our metallicity measurements are in good agreement with previous estimates. We also present the radial velocity measurements of the clusters. Our radial velocity measurements for NGC 6293 and NGC 6541 are in good agreement with previous measurements; however, our radial velocity measurement for NGC 6287 is almost 80 km s-1 larger than the previous measurement. The mean alpha-element abundances of our program clusters are in good agreement with other globular clusters, confirming previous results. However, the individual alpha-elements appear to follow different trends... |
| Tags | NGC 6541 , NGC 6293 , NGC 6287 |
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