X-shooter observations of main-sequence stars in the globular cluster NGC 2808: First chemical tagging of a He-normal and a He-rich dwarf
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Bragaglia, Angela; Carretta, Eugenio; Gratton, Raffaele G.; Lucatello, Sara; Milone, Antonino; Piotto, G; D'Orazi, Valentina; Cassisi, S; Sneden, Chris; Bedin, L R
Description
We present the first chemical composition study of two unevolved stars in the globular cluster NGC 2808, obtained with the X-shooter spectrograph at VLT. NGC 2808 shows three discrete, well-separated main sequences. The most accepted explanation for this
| Collections | ANU Research Publications |
|---|---|
| Date published: | 2010 |
| Type: | Journal article |
| URI: | http://hdl.handle.net/1885/79582 |
| Source: | Astrophysical Journal Letters |
| DOI: | 10.1088/2041-8205/720/1/L41 |
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| File | Description | Size | Format | Image |
|---|---|---|---|---|
| 01_Bragaglia_X-shooter_observations_of_2010.pdf | 704.41 kB | Adobe PDF | Request a copy |
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