Gliese 667 Cd
|Extrasolar planet||List of extrasolar planetstemperature=143°K|
|Right ascension||(α)||17h 18m 57.16483s|
|Declination||(δ)||−34° 59′ 23.1416″|
|Metallicity||[Fe/H]||−0.59 ± 0.10|
|Stellar flux||(F⊙)||0.18 ⊕|
|Semimajor axis||(a)||0.275 8 ± 0.000 3 AU|
|Orbital period||(P)||92.0926 d|
|Discovery date||2013 (predicted earlier)|
|Discovery method||Radial velocity (European Southern Observatory)|
Gliese 667 Cd is an exoplanet orbiting the star Gliese 667 C, which is a member of the Gliese 667 triple star system. It is slightly more massive than Gliese 667 Cc. It is likely an ice planet, located outside the system's habitable zone, and it has been suggested that Gliese 667 Cd could have a ocean under the ice.
The existence of Gliese 667Cd was theorized in 2012 and finally confirmed in 2013.
- Anglada-Escudé, Guillem, et al (2013-06-07). "A dynamically-packed planetary system around GJ 667C with three super-Earths in its habitable zone". Astronomy & Astrophysics. arXiv:1306.6074. Bibcode:2013A&A...556A.126A. doi:10.1051/0004-6361/201321331. Retrieved 2013-06-25.
- Anglada-Escude, Guillem et al. (February 2012), "A planetary system around the nearby M dwarf GJ 667C with at least one super-Earth in its habitable zone", The Astrophysical Journal Letters, accepted, arXiv:/1202.0446, Bibcode:2012arXiv1202.0446A
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