SPHERE 红外系外行星巡天(SHINE)—— I 样本定义与目标表征
地球与行星天体物理
2021-07-14 v1 天体物理仪器与方法
太阳与恒星天体物理
摘要
利用新一代高对比度成像仪器开展大型巡天,是推导分离距约 5 至 300 AU 的系外行星族出现频率与性质所必需的。审慎评估恒星性质对于正确理解行星在何时、何处以及以何种频率形成并如何演化至关重要。探测极限对恒星年龄的敏感性使该参数成为直接成像巡天的关键。我们描述了球状红外系外行星巡天(SHINE),这是 SPHERE 联盟的 SPHERE 保证时间观测背景下于 2015 年在 VLT 启动的最大直接成像行星搜寻计划。在本第一篇论文中,我们呈现了 SHINE 所观测完整恒星样本的选择与性质,聚焦于巡天第一阶段(2015 年 2 月至 2017 年 2 月)观测的目标。该由 150 颗恒星组成的早期样本用于对已观测 SHINE 数据做初步统计分析,相关分析延至另两篇介绍巡天性能、主要发现及 SHINE 所设初步统计约束的伴随论文。基于一个收集了太阳邻近所有年轻近距恒星性质(包括运动学、移动星组成员身份、等龄线、锂丰度、自转与活动)的大型数据库,我们选出了原始 800 颗星的样本,并按其对 SPHERE 直接成像行星探测的灵敏度排定优先次序。属于早期统计样本的恒星性质被重新审定,包括例如来自 GAIA 数据发布 2 的测量结果。
引用
@article{arxiv.2103.04366,
title = {The SPHERE infrared survey for exoplanets (SHINE)- I Sample definition and target characterization},
author = {S. Desidera and G. Chauvin and M. Bonavita and S. Messina and H. LeCoroller and T. Schmidt and R. Gratton and C. Lazzoni and M. Meyer and J. Schlieder and A. Cheetham and J. Hagelberg and M. Bonnefoy and M. Feldt and A-M. Lagrange and M. Langlois and A. Vigan and T. G. Tan and F. -J. Hambsch and M. Millward and J. Alcala and S. Benatti and W. Brandner and J. Carson and E. Covino and P. Delorme and V. D'Orazi and M. Janson and E. Rigliaco and J. -L. Beuzit and B. Biller and A. Boccaletti and C. Dominik and F. Cantalloube and C. Fontaniv and R. Galicher and Th. Henning and E. Lagadec and R. Ligi and A-L. Maire and F. Menard and D. Mesa and A. Muller and M. Samland and H. M. Schmid and E. Sissa and M. Turatto and S. Udry and A. Zurlo R. Asensio-Torres and T. Kopytova and E. Rickman and L. Abe and J. Antichi and A. Baruffolo and P. Baudoz and J. Baudrand and P. Blanchard and A. Bazzon and T. Buey and M. Carbillet and M. Carle and J. Charton and E. Cascone and R. Claudi and A. Costille and A. Deboulbe and V. De Caprio and K. Dohlen and D. Fantinel and P. Feautrier and T. Fusco and P. Gigan and E. Giro and D. Gisler and L. Gluck and N. Hubin and E. Hugot and M. Jaquet and M. Kasper and F. Madec and Y. Magnard and P. Martinez and D. Maurel and D. Le Mignant and O. Moller-Nilsson and M. Llored and T. Moulin and A. Origne and A. Pavlov and D. Perret and C. Petit and J. Pragt and P. Puget and P. Rabou and J. Ramon and F. Rigal and S. Rochat and R. Roelfsema and G. Rousset and A. Roux and B. Salasnich and J. -F. Sauvage and A. Sevin and C. Soenke and E. Stadler and M. Suarez and L. Weber and F. Wildi},
journal= {arXiv preprint arXiv:2103.04366},
year = {2021}
}