Synthetic Super AGB Stars
| dc.creator | Izzard, Robert G. | |
| dc.creator | Poelarends, Arend Jan T. | |
| dc.date | 2006-03-28 | |
| dc.date.accessioned | 2026-07-07T07:01:20Z | |
| dc.date.available | 2026-07-07T07:01:20Z | |
| dc.description | We describe our first attempt at modelling nucleosynthesis in massive AGB stars which have undergone core carbon burning, the super-AGB stars. We fit a synthetic model to detailed stellar evolution models in the mass range 9<=M/Msun<=11.5 (Z=0.02), and extrapolate these fits to the end of the AGB. We determine the number of thermal pulses and AGB lifetime as a function of mass and mass-loss prescription. Our preliminary nucleosynthesis calculations show that, for a reasonable mass-loss rate, the effect of hot-bottom burning in super-AGB stars on the integrated yield of a stellar population is not large. There are many uncertainties, such as mass-loss and convective overshooting, which prevent accurate yield calculations. However, as potential progenitors of electron-capture supernovae, these stars may contribute 7% of non-type-Ia supernovae. | |
| dc.description | To appear in the proceedings of the Eighth Torino Workshop on Nucleosynthesis in AGB Stars (6 pages, 3 figures) | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0603755 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0603755 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/108239 | |
| dc.subject | Astrophysics | |
| dc.title | Synthetic Super AGB Stars | |
| dc.type | text |