Metal-poor stars observed with the Magellan telescope. I. Constraints on progenitor mass and metallicity of AGB stars undergoing s-process nucleosynthesis
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Placco, Vinicius M.; Frebel, Anna; Beers, Timothy C; Karakas, Amanda; Kennedy, Catherine; Rossi, Silvia; Christlieb, Norbert; Stancliffe, R J
Description
We present a comprehensive abundance analysis of two newly discovered carbon-enhanced metal-poor (CEMP) stars. HE 2138-3336 is a s-process-rich star with [Fe/H] = -2.79, and has the highest [Pb/Fe] abundance ratio measured thus far, if non-local thermodyn
| Collections | ANU Research Publications |
|---|---|
| Date published: | 2013 |
| Type: | Journal article |
| URI: | http://hdl.handle.net/1885/72948 |
| Source: | Astrophysical Journal, The |
| DOI: | 10.1088/0004-637X/770/2/104 |
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| File | Description | Size | Format | Image |
|---|---|---|---|---|
| 01_Placco_Metal-poor_stars_observed_with_2013.pdf | 2.12 MB | Adobe PDF | Request a copy |
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