Delta Sco系统的修正轨道
The Revised Orbit of the Delta Sco System
摘要：
为了预测高偏心双星系统天蝎座δ中的星周盘和副星之间可能发生碰撞，已经获得了旨在修正双星参数的高角分辨率干涉观测。海军原型光学干涉仪（NPOI）在2000年和2005年至2010年期间被用于空间分辨二进制分量。干涉观测被用来获得角间距和两个恒星组件的方向在所有时代的数据已经获得，包括2005年和2006年，根据以前的研究，有一些不确定性，如果签名的双星可以清楚地检测到。这项研究的结果代表了迄今为止对该系统双星轨道的最完整和最准确的覆盖，并允许获得将于2011年发生的即将到来的近星点通过的订正时间。
英文摘要：
In anticipation of the possible collision between a circumstellar disk and the secondary star in the highly eccentric binary system Delta Scorpii, high angular resolution interferometric observations have been acquired aimed at revising the binary parameters. The Navy Prototype Optical Interferometer (NPOI) was used to spatially resolve the binary components in 2000 and over a period between 2005 and 2010. The interferometric observations are used to obtain the angular separations and orientations of the two stellar components at all epochs for which data has been obtained, including 2005 and 2006, for which based on previous studies there was some uncertainty as to if the signature of binarity can be clearly detected. The results of this study represent the most complete and accurate coverage of the binary orbit of this system to date and allow for the revised timing of the upcoming periastron passage that will occur in 2011 to be obtained.
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