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Planetary nebula abundance determinations: A view from 1D-RHD simulations

Published online by Cambridge University Press:  30 August 2012

Ralf Jacob ,
Christer Sandin ,
Detlef Schönberner  and
Matthias Steffen
Ralf Jacob
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: rjacob@aip.de
Christer Sandin
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: rjacob@aip.de
Detlef Schönberner
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: rjacob@aip.de
Matthias Steffen
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: rjacob@aip.de
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Abstract

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In the last years (metallicity-dependent) radiation-hydrodynamics simulations have become a powerful tool to understand the formation and evolution of PNe in terms of simple morphologies and kinematics. Contrary to photoionization models, with their ad-hoc assumptions on structure and physics, the RHD models are self-consistent with respect to their density distribution, velocity field, chemical composition, and stellar evolution. We use our models as simple proxies for real PNe and investigate the reliability of common abundance determination methods, which are based on either plasma diagnostics or static photoionization (PI) models.

Keywords

hydrodynamicsplanetary nebulae: generalISM: abundances
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S283: Planetary Nebulae: An Eye to the Future , July 2011 , pp. 398 - 399
Copyright
Copyright © International Astronomical Union 2012

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