昴星团距离控制的VLBI解
A VLBI Resolution of the Pleiades Distance Controversy
摘要：
由于它的接近和它的年轻，昴星团疏散星团的恒星已经被广泛研究，并作为我们理解年轻恒星物理性质的基石。这一作用受到了“昴星团距离争议”的质疑，其中依巴谷光学空间天体测量任务测得的星团距离为120.2+/-1.5 pc，与其他技术测得的133.5+/-1.2 pc有很大差异。我们提出了一个绝对三角视差距离测量的昴星团，使用非常长的基线无线电干涉测量。这个距离136.2+/-1.2 pc是迄今为止为星团提供的最准确和精确的距离，与依巴谷距离测定不兼容。我们的研究结果巩固了现有的昴宿星年龄恒星的天体物理模型。
英文摘要：
Because of its proximity and its youth, the Pleiades open cluster of stars has been extensively studied and serves as a cornerstone for our understanding of the physical properties of young stars. This role is called into question by the "Pleiades distance controversy" wherein the cluster distance of 120.2+/-1.5 pc as measured by the optical space astrometry mission Hipparcos is significantly different from the distance of 133.5+/-1.2 pc derived with other techniques. We present an absolute trigonometric parallax distance measurement to the Pleiades cluster that uses very long baseline radio interferometry. This distance of 136.2+/-1.2 pc is the most accurate and precise yet presented for the cluster and is incompatible with the Hipparcos distance determination. Our results cement existing astrophysical models for Pleiades-age stars.
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