Forveille, T.; et al. (janeiro de 2009). «The HARPS search for southern extra-solar planets. XIV. Gl 176b, a super-Earth rather than a Neptune, and at a different period». Astronomy and Astrophysics. 493 (2): 645-650. Bibcode:2009A&A...493..645F. doi:10.1051/0004-6361:200810557
Endl, Michael; Cochran, William D.; Wittenmyer, Robert A.; Boss, Alan P. (fevereiro de 2008). «An m sin i = 24 M⊕ Planetary Companion to the Nearby M Dwarf GJ 176». The Astrophysical Journal. 673 (2): 1165-1168. Bibcode:2008ApJ...673.1165E. doi:10.1086/524703
Butler, R. Paul; Howard, Andrew W.; Vogt, Steven S.; Wright, Jason T. (fevereiro de 2009). «Nondetection of the Neptune-Mass Planet Reported Around GJ 176». The Astrophysical Journal. 691 (2): 1738-1743. Bibcode:2009ApJ...691.1738B. doi:10.1088/0004-637X/691/2/1738
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Forveille, T.; et al. (janeiro de 2009). «The HARPS search for southern extra-solar planets. XIV. Gl 176b, a super-Earth rather than a Neptune, and at a different period». Astronomy and Astrophysics. 493 (2): 645-650. Bibcode:2009A&A...493..645F. doi:10.1051/0004-6361:200810557
Endl, Michael; Cochran, William D.; Wittenmyer, Robert A.; Boss, Alan P. (fevereiro de 2008). «An m sin i = 24 M⊕ Planetary Companion to the Nearby M Dwarf GJ 176». The Astrophysical Journal. 673 (2): 1165-1168. Bibcode:2008ApJ...673.1165E. doi:10.1086/524703
Butler, R. Paul; Howard, Andrew W.; Vogt, Steven S.; Wright, Jason T. (fevereiro de 2009). «Nondetection of the Neptune-Mass Planet Reported Around GJ 176». The Astrophysical Journal. 691 (2): 1738-1743. Bibcode:2009ApJ...691.1738B. doi:10.1088/0004-637X/691/2/1738
