The Bulletin of The Korean Astronomical Society (천문학회보)
- Volume 41 Issue 1
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- Pages.79.2-79.2
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- 2016
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- 1226-2692(pISSN)
Low-Resolution Spectroscopy of Red Giant Branch stars in the Globular Cluster NGC 2808
- Hong, Seungsoo (Department of Astronomy, Yonsei University) ;
- Lim, Dongwook (Department of Astronomy, Yonsei University) ;
- Han, Sang-Il (Korea Astronomy and Space Science Institute (KASI)) ;
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Lee, Young-Wook
(Department of Astronomy, Yonsei University)
- Published : 2016.04.12
Abstract
The presence of multiple stellar populations is now well established in most globular clusters (GCs) in the Milky Way. The origin of this, however, is yet to be understood. In this respect, the study of NGC 2808, a GC which hosts five sub-populations differing only in light-element abundances, would help to understand the origin of this multiple stellar populations. In order to investigate CN, CH, and Ca abundances among different populations in NGC 2808, we have performed low-resolution spectroscopy for the red giant branch (RGB) stars in this GC. Here we report preliminary results from this spectroscopic analysis.
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