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Astrometric detection of exoplanets from the ground

机译:从地面上的八胞胎的横伤检测

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摘要

Astrometry is a powerful technique to study the populations of extrasolar planets around nearby stars. It gives access to a unique parameter space and is therefore required for obtaining a comprehensive picture of the properties, abundances, and architectures of exoplanetary systems. In this review, we discuss the scientific potential, present the available techniques and instruments, and highlight a few results of astrometric planet searches, with an emphasis on observations from the ground. In particular, we discuss astrometric observations with the Very Large Telescope (VLT) Interferometer and a programme employing optical imaging with a VLT camera, both aimed at the astrometric detection of exoplanets. Finally, we set these efforts into the context of Gaia, ESA's astrometry mission scheduled for launch in 2013, and present an outlook on the future of astrometric exoplanet detection from the ground.
机译:Astromicry是一种强大的技术,用于研究附近恒星周围的郊球行星的群体。它可以访问唯一的参数空间,因此需要获得完整的Exoptanetary系统的属性,丰度和架构的全面图像。在这篇综述中,我们讨论了科学潜力,呈现了可用的技术和仪器,并突出了星形行星搜查的一些结果,重点是从地面观察。特别地,我们用非常大的望远镜(VLT)干涉仪和使用与VLT相机的光学成像的程序讨论了星形观察,旨在瞄准Exoplanets的天星的天数检测。最后,我们将这些努力设置为盖亚的背景,esa的Astomerry特派团计划于2013年推出,并提出了对地面中的星期岩外出检测的未来的展望。

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