Butler, R. P. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal646 (1): 505–522. doi:10.1086/504701. Bibcode: 2006ApJ...646..505B.
Butler, R. P. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal646 (1): 505–522. doi:10.1086/504701. Bibcode: 2006ApJ...646..505B.