SuperWASP 巡天中食双星 Am 星系统的发生率
太阳与恒星天体物理
2015-06-18 v1
摘要
本文展示了利用 SuperWASP 巡天的测光数据搜索食双星 Am 星系统的结果。分析了 1742 颗视星等暗于 V = 8.0 的 Am 星的光变曲线以寻找食现象。共发现 70 颗恒星表现出食现象，其中 66 颗拥有足够的观测数据以确定轨道周期，其中有 28 个是新发现的食双星系统。此外，还给出了其中 5 个系统的光谱轨道。发现系统数量及其周期分布与先前对“经典”Am 星的视向速度巡天所识别的结果一致。
引用
@article{arxiv.1402.7168,
title = {On the incidence of eclipsing Am binary systems in the SuperWASP survey},
author = {B. Smalley and J. Southworth and O. I. Pintado and M. Gillon and D. L. Holdsworth and D. R. Anderson and S. C. C. Barros and A. Collier Cameron and L. Delrez and F. Faedi and C. A. Haswell and C. Hellier and K. Horne and E. Jehin and P. F. L. Maxted and A. J. Norton and D. Pollacco and I. Skillen and A. M. S. Smith and R. G. West and P. J. Wheatley},
journal= {arXiv preprint arXiv:1402.7168},
year = {2015}
}
备注
12 pages, 9 figures, 6 tables. Accepted for publication in A&A. Owing to large size, multi-page Figure 10 containing all 66 light curves is not included. Full version can be downloaded from http://www.astro.keele.ac.uk/~bs/Wasp_Am_Binary.pdf