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Kochukhov, O.; Shulyak, D.; Ryabchikova, T. (junho de 2009), «A self-consistent empirical model atmosphere, abundance and stratification analysis of the benchmark roAp star α Circini», Astronomy and Astrophysics, 499 (3): 851–863, Bibcode:2009A&A...499..851K, arXiv:0903.3512, doi:10.1051/0004-6361/200911653
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Kochukhov, O.; Shulyak, D.; Ryabchikova, T. (junho de 2009), «A self-consistent empirical model atmosphere, abundance and stratification analysis of the benchmark roAp star α Circini», Astronomy and Astrophysics, 499 (3): 851–863, Bibcode:2009A&A...499..851K, arXiv:0903.3512, doi:10.1051/0004-6361/200911653
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Nakajima, Tadashi; Morino, Jun-Ichi; Fukagawa, Misato (setembro de 2010), «Potential Members of Stellar Kinematical Groups within 20 pc of the Sun», The Astronomical Journal, 140 (3): 713–722, Bibcode:2010AJ....140..713N, doi:10.1088/0004-6256/140/3/713