Determining element abundances of [WC]-type Central Stars for probing stellar evolution and nucleosynthesis

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dc.creatorTodt, H.
dc.creatorPeña, M.
dc.creatorHamann, W. -R.
dc.creatorGräfener, G.
dc.date2007-12-20
dc.date.accessioned2026-07-07T08:50:38Z
dc.date.available2026-07-07T08:50:38Z
dc.description[WC]-type CSPNs are hydrogen-deficient Central Stars of Planetary Nebulae showing strong stellar winds and a carbon-rich chemistry. We have analyzed new high-resolution spectra of [WC]-type CSPNs with the Potsdam Wolf-Rayet (PoWR) non-LTE expanding atmosphere models, using upgraded model atoms and atomic data. Previous analyses are repeated on the basis of the current models which account for iron-line blanketing. We especially focus on determining the chemical composition, including some trace elements like nitrogen which are of key importance for understanding the evolutionary origin of the hydrogen-deficient Central Stars.
dc.description4 pages, 3 figures, to appear in the ASP conference proceedings of "Hydrogen-deficient Stars" conference in 2007, editors: K. Werner and T. Rauch
dc.identifierhttps://arxiv.org/abs/0712.3453
dc.identifierhttp://arxiv.org/abs/0712.3453
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/144665
dc.subjectAstrophysics
dc.titleDetermining element abundances of [WC]-type Central Stars for probing stellar evolution and nucleosynthesis
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