碳星风模型中尘埃不透明度的小粒子近似放宽
太阳与恒星天体物理
2010-10-04 v1
摘要
我们计算了具有时间相关尘埃形成和晶粒尺寸相关不透明度的风模型,其中(1)通过假设固定尘埃晶粒尺寸简化问题,(2)使用基于实际晶粒尺寸分布各种平均值的晶粒尺寸近似辐射压效率。结果表明,在关键情况下,晶粒尺寸的影响可能显著。然而,对于充分发展的风,对质量损失率和风速的影响较小。
引用
@article{arxiv.1010.0117,
title = {Relaxing the Small Particle Approximation for Dust-grain opacities in Carbon-star Wind Models},
author = {Lars Mattsson and Susanne Höfner},
journal= {arXiv preprint arXiv:1010.0117},
year = {2010}
}
备注
2 pages, 2 figures. To be published in the proceedings of the conference "Why Galaxies Care about AGB Stars II", held in Vienna, August 16-20, 2010; F. Kerschbaum, T. Lebzelter T. and B. Wing eds, ASP Conf. Series