双脱离体及其为 Type Ia 超新星提供的前体星
天体物理学
2007-05-23 v1
摘要
我们报告了针对白矮星-白矮星双星（双脱离体）进行的系统性径向速度测量调查，包括最近在 VLT 上进行的 SPY（超新星 Ia 前体星调查）项目。大规模的双脱离体样本将使我们能够对双脱离体前体系统的近程双星演化阶段施加强有力限制，并对双脱离体 Type Ia 超新星情景进行观测检验。我们解释了从各种方法中可推导的双星参数。本文给出并讨论了双脱离体样本的结果。
引用
@article{arxiv.astro-ph/0403595,
title = {Double degenerates and progenitors of supernovae type Ia},
author = {R. Napiwotzki and L. Yungelson and G. Nelemans and T. R. Marsh and B. Leibundgut and A. Renzini and D. Homaier and D. Koester and S. Moehler and N. Christlieb and D. Reimers and H. Drechsel and U. Heber and C. Karl and E. -M. Pauli},
journal= {arXiv preprint arXiv:astro-ph/0403595},
year = {2007}
}
备注
to appear in 'Spectroscopically and spatially resolving the components of close binary stars', Proc. of a conference held in Dubrovnik, Oct. 2003, eds. R.W. Hilditch, H. Hensberge & K. Pavlovski (ASP Conf. Series)