HD 222641 is a suspected variable star in the constellation Andromeda.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V
- ↑ 2.0 2.1 Famaey, B. et al. (2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters", Astronomy and Astrophysics 430: 165–186, doi:10.1051/0004-6361:20041272, Bibcode: 2005A&A...430..165F
- ↑ 3.0 3.1 Oja, T. (August 1991), "UBV photometry of stars whose positions are accurately known. VI", Astronomy and Astrophysics Supplement Series 89 (2): 415–419, Bibcode: 1991A&AS...89..415O
- ↑ 4.0 4.1 Brown, Jeffery A. et al. (October 1989), "A search for lithium-rich giant stars", Astrophysical Journal Supplement Series 71: 293–322, doi:10.1086/191375, Bibcode: 1989ApJS...71..293B
- ↑ Taylor, B. J. (February 1999), "Catalogs of temperatures and [Fe/H] averages for evolved G and K stars", Astronomy and Astrophysics Supplement 134: 523–524, doi:10.1051/aas:1999153, Bibcode: 1999A&AS..134..523T
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