HR 858
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1 2 Pace, G. (March 2013). “Chromospheric activity as age indicator. An L-shaped chromospheric-activity versus age diagram”. Astronomy & Astrophysics 551: 4. arXiv:1301.5651. Bibcode: 2013A&A...551L...8P. doi:10.1051/0004-6361/201220364. L8.
↑ "HR 858". SIMBAD. Centre de données astronomiques de Strasbourg. 2019年12月4日閲覧。