典型碰撞风双星WR 140的轨道与恒星质量
太阳与恒星天体物理
2021-05-12 v2
摘要
我们给出了沃尔夫-拉叶（WR）双星WR\,140（HD\,193793；WC7pd + O5.5fc）的更新轨道根数。新的轨道根数是利用先前已发表的测量数据以及跨越WR 140在2016年近星点通过的{\color{black}160}个新视向速度测量值推导得出的。此外，利用CHARA阵列收集了四个新的轨道天体测量值。基于这些测量，我们推导出恒星质量分别为 和 。我们还结合双星星族与光谱合成（BPASS）模型网格讨论了该系统的演化历史，表明这颗WR星很可能主要通过恒星风中的质量损失形成，仅有少量质量通过双星相互作用损失或转移。
引用
@article{arxiv.2101.10563,
title = {The orbit and stellar masses of the archetype colliding-wind binary WR 140},
author = {Joshua D. Thomas and Noel D. Richardson and J. J. Eldridge and Gail H. Schaefer and John D. Monnier and Hugues Sana and Anthony F. J. Moffat and Peredur Williams and Michael F. Corcoran and Ian R. Stevens and Gerd Weigelt and Farrah D. Zainol and Narsireddy Anugu and Jean-Baptiste Le Bouquin and Theo ten Brummelaar and Fran Campos and Andrew Couperus and Claire L. Davies and Jacob Ennis and Thomas Eversberg and Oliver Garde and Tyler Gardner and Joan Guarro Fló and Stefan Kraus and Aaron Labdon and Cyprien Lanthermann and Robin Leadbeater and T. Lester and Courtney Maki and Brendan McBride and Dogus Ozuyar and J. Ribeiro and Benjamin Setterholm and Berthold Stober and Mackenna Wood and Uwe Zurmühl},
journal= {arXiv preprint arXiv:2101.10563},
year = {2021}
}
备注
10 pages, 5 figures