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arXiv 1109.4569astro-ph.SR
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了解星星,了解星球。II。系外行星宿主星的散斑干涉测量

Know the Star, Know the Planet. II. Speckle Interferometry of Exoplanet Host Stars

Brian D. Mason, William I. Hartkopf, Deepak Raghavan, John P. Subasavage, Lewis C. Roberts, Nils H. Turner, Theo A. ten Brummelaar

摘要:

研究系外行星的宿主恒星对于了解它们的环境很重要。为此,我们报告新的斑点观测的一个样本的系外行星主机原色。明亮的系外行星宿主HD 8673(= HIP 6702)被发现有一个伴星,尽管目前我们还不能确定伴星是物理的还是光学的。行星搜索和这些观测的观测列表在很大程度上已经预先筛选了已知的双重性,因此检测到的双星分数低于预期。因此,为了验证和质量控制的目的,同时观测了大量的双星,以确保没有发现系外行星宿主的伴星是有效的。在这些额外的观测中,首次解析了10对,确认了60对。这些观测是在2001年至2010年期间在KPNO和CTIO的NOAO 4 m望远镜上使用USNO斑点相机获得的。

英文摘要:

A study of the host stars to exoplanets is important to understanding their environment. To that end, we report new speckle observations of a sample of exoplanet host primaries. The bright exoplanet host HD 8673 (= HIP 6702) is revealed to have a companion, although at this time we cannot definitively establish the companion as physical or optical. The observing lists for planet searches and for these observations have for the most part been pre-screened for known duplicity, so the detected binary fraction is lower than what would otherwise be expected. Therefore, a large number of double stars were observed contemporaneously for verification and quality control purposes, to ensure the lack of detection of companions for exoplanet hosts was valid. In these additional observations, ten pairs are resolved for the first time and sixty pairs are confirmed. These observations were obtained with the USNO speckle camera on the NOAO 4m telescopes at both KPNO and CTIO from 2001 to 2010.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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