Nu2 Canis Majoris b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | Nu2 Canis Majoris | |
| Constellation | Canis Major | |
| Right ascension | (α) | 06h 36m 41.04s |
| Declination | (δ) | −19° 15′ 21.2″ |
| Distance | 64.71 ± 0.88 ly (19.84 ± 0.27 pc) | |
| Spectral type | K1III | |
| Orbital elements | ||
| Semi-major axis | (a) | 1.9 ± 0.1 AU |
| Eccentricity | (e) | 0.14 ± 0.06 |
| Orbital period | (P) | 763 ± 17 d |
| Argument of periastron |
(ω) | 12 ± 41° |
| Time of periastron | (T0) | 2455520 ± 89 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 2.6 ± 0.6 MJ |
| Temperature | (T) | 232 |
| Discovery information | ||
| Discovery date | December 2011 | |
| Discoverer(s) | Wittenmyer, Robert A | |
| Discovery method | Radial Velocity | |
| Discovery status | Published | |
| Other designations | ||
Nu2 Canis Majoris b, (7 CMa b) is a water cloud jovian extrasolar planet orbiting the star Nu2 Canis Majoris, approximately 64.71lys away in the constellation of Canis Major. The planet is thought to be inside the habitable zone with an orbit around its parent star of 1.9AU. It was discovered in 2011 from discoverer Wittenmyer, R. by radial velocity.
External links
- California Institute of Technology. "7 CMa b". Retrieved 25 January 2014.
- Extrasolar Planets Encyclopaedia. "7 CMa b". Retrieved 25 January 2014.
- Exoplanet Orbit Database. "Exoplanets - Detail View". Retrieved 25 January 2014.
References
- Wittenmyer; Endl, M.; Wang, L.; Johnson, J. A.W.; Tinney, C. G.; O'Toole, S. J. (2011). "The Pan-Pacific Planet Search. I. A Giant Planet Orbiting 7 CMa" (abstract). The Astrophysical Journal. 743 (2): 7. arXiv:astro-ph/0703672
. Bibcode:2011ApJ...743..184W. doi:10.1088/0004-637X/743/2/184.
Coordinates: 
06h 36m 41.04s, −19° 15′ 21.2″
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