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Lépine, Sébastien; Bongiorno, Bethany, New Distant Companions to Known Nearby Stars. II. Faint Companions of Hipparcos Stars and the Frequency of Wide Binary Systems, The Astronomical Journal, March 2007, 133 (3): 889–905, Bibcode:2007AJ....133..889L, arXiv:astro-ph/0610605, doi:10.1086/510333.
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Kaler, James, Asellus Primus, Stars (University of Illinois), [2016-01-07], (原始内容存档于2020-10-03).