Takeda, Genya; et al. (2007-02), “Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog”, Astrophysical Journal Supplement Series168 (2): 297-318, Bibcode: 2007ApJS..168..297T, doi:10.1086/509763
Wright, J. T.; et al. (2007-03), “Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars”, Astrophysical Journal657 (1): 533-545, Bibcode: 2007ApJ...657..533W, doi:10.1086/510553
ESA (1997), The HIPPARCOS and TYCHO catalogues. Astrometric and photometric star catalogues derived from the ESA HIPPARCOS Space Astrometry Mission, ESA SP Series, 1200, Noordwijk, Netherlands: ESA Publications Division, Bibcode: 1997ESASP1200.....E, ISBN9290923997
Takeda, Genya; et al. (2007-02), “Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog”, Astrophysical Journal Supplement Series168 (2): 297-318, Bibcode: 2007ApJS..168..297T, doi:10.1086/509763
Wright, J. T.; et al. (2007-03), “Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars”, Astrophysical Journal657 (1): 533-545, Bibcode: 2007ApJ...657..533W, doi:10.1086/510553