The post-AGB evolution of AGB mass loss variations
Astrophysics
2011-05-23 v1
Abstract
We present new numerical hydrodynamical modelling of the evolution of Asymptotic Giant Branch (AGB) mass loss fluctuations during the post-AGB/Planetary Nebula phase. These models show that after ionization, the observable effects of the mass loss fluctuations disappear in a few thousand years, consistent with the fact that only few PNe have been found to be surrounded by `rings'. We derive the observational characteristics of these rings, and compare them to reported observations of the rings around NGC 6543, finding a good match of emission properties and line shapes. We predict small variations in the observable electron temperatures.
Keywords
Cite
@article{arxiv.astro-ph/0305355,
title = {The post-AGB evolution of AGB mass loss variations},
author = {Rowin Meijerink and Garrelt Mellema and Yvonne Simis},
journal= {arXiv preprint arXiv:astro-ph/0305355},
year = {2011}
}
Comments
12 pages, 13 figures, accepted by A&A