Germanium Production in Asymptotic Giant Branch Stars: Implications for Observations of Planetary Nebulae
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Karakas, Amanda; Lugaro, Maria Anna; Gallino, Roberto
Description
Observations of planetary nebulae (PNe) in the work of Sterling, Dinerstein, & Bowers have revealed abundances in the neutron-capture element germanium (Ge) from solar to factors of 3-10 above solar. The enhanced Ge is an indication that the slow neutron-capture process (the s-process) operated in the parent star during the thermally pulsing asymptotic giant branch (TP-AGB) phase. We compute the detailed nucleosynthesis of a series of AGB models to estimate the surface enrichment of Ge near the...[Show more]
Collections | ANU Research Publications |
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Date published: | 2007 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/60319 |
Source: | Astrophysical Journal, The |
DOI: | 10.1086/512676 |
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01_Karakas_Germanium_Production_in_2007.pdf | 99.11 kB | Adobe PDF | Request a copy |
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