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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
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: [email protected]
Christer Sandin
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: [email protected]
Detlef Schönberner
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: [email protected]
Matthias Steffen
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, D–14482 Potsdam, Germany email: [email protected]
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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.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2012

References

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