Wright, J.T.; et al. (2007). "Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars". The Astrophysical Journal. 657 (1): 533–545. arXiv:astro-ph/0611658. Bibcode: 2007ApJ...657..533W, su ui.adsabs.harvard.edu.. doi: 10.1086/510553.
Butler, R. Paul; et al. (1998). "A Planet with a 3.1 Day Period around a Solar Twin". Publications of the Astronomical Society of the Pacific. 110 (754): 1389–1393. Bibcode: 1998PASP..110.1389B, su ui.adsabs.harvard.edu.. CiteSeerX10.1.1.37.5463. doi: 10.1086/316287.
Wright, J.T.; et al. (2007). "Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars". The Astrophysical Journal. 657 (1): 533–545. arXiv:astro-ph/0611658. Bibcode: 2007ApJ...657..533W, su ui.adsabs.harvard.edu.. doi: 10.1086/510553.
Butler, R. Paul; et al. (1998). "A Planet with a 3.1 Day Period around a Solar Twin". Publications of the Astronomical Society of the Pacific. 110 (754): 1389–1393. Bibcode: 1998PASP..110.1389B, su ui.adsabs.harvard.edu.. CiteSeerX10.1.1.37.5463. doi: 10.1086/316287.
Wright, J.T.; et al. (2007). "Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars". The Astrophysical Journal. 657 (1): 533–545. arXiv:astro-ph/0611658. Bibcode: 2007ApJ...657..533W, su ui.adsabs.harvard.edu.. doi: 10.1086/510553.
Butler, R. Paul; et al. (1998). "A Planet with a 3.1 Day Period around a Solar Twin". Publications of the Astronomical Society of the Pacific. 110 (754): 1389–1393. Bibcode: 1998PASP..110.1389B, su ui.adsabs.harvard.edu.. CiteSeerX10.1.1.37.5463. doi: 10.1086/316287.