Helium enhanced stars and multiple populations along the horizontal branch of NGC 2808: Direct spectroscopic measurements
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Marino, Anna; Milone, Antonino; Przybilla, N; Bergemann, Maria; Lind, K.; Asplund, Martin; Cassisi, S; Catelan, M; Casagrande, Luca; Valcarce, A.A.R; Bedin, L R; Cortes, C; D'Antona, Francesca; Jerjen, Helmut; Piotto, G; Schlesinger, Katharine; Zoccali, M; Angeloni, R
Description
We present an abundance analysis of 96 horizontal branch (HB) stars in NGC 2808, a globularcluster exhibiting a complex multiple stellar population pattern. These stars are distributed indifferent portions of the HB and cover a wide range of temperature.
| Collections | ANU Research Publications |
|---|---|
| Date published: | 2013 |
| Type: | Journal article |
| URI: | http://hdl.handle.net/1885/77918 |
| Source: | Monthly Notices of the Royal Astronomical Society |
| DOI: | 10.1093/mnras/stt1993 |
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| File | Description | Size | Format | Image |
|---|---|---|---|---|
| 01_Marino_Helium_enhanced_stars_and_2013.pdf | 2.33 MB | Adobe PDF |
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