11 Comae Berenices b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | 11 Comae Berenices | |
| Constellation | Coma Berenices | |
| Right ascension | (α) | 12h 20m 43.03s |
| Declination | (δ) | +17° 47′ 34.3″ |
| Distance | 360.79 ± 31.34 ly (110.62 ± 9.61 pc) | |
| Spectral type | G8+III | |
| Orbital elements | ||
| Semi-major axis | (a) | 1.29 ± 0.05 AU |
| Eccentricity | (e) | 0.231 ± 0.005 |
| Orbital period | (P) | 326.03 ± 0.32 d |
| Argument of periastron |
(ω) | 94.8 ± 1.5° |
| Time of periastron | (T0) | 2452899.6 ± 1.6 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 19.4 ± 1.5 MJ |
| Discovery information | ||
| Discovery date | 2007 | |
| Discoverer(s) | Liu, Y.-J. | |
| Discovery method | Radial Velocity | |
| Discovery status | Published | |
| Other designations | ||
11 Comae Berenices b, (11 Com b) is an extrasolar planet orbiting the star 11 Comae Berenices, approximately 360.79lys away in the constellation of Coma Berenices. It is a massive planet with an estimated mass of 19.4 Jupiters with an orbit around its parent star of 1.29AU. It was discovered in 2007 from discoverer Liu, Y.-J. by radial velocity.
References
Liu; Sato, B.; Zhao, G.; Noguchi, K.; Wang, H.; Kambe, E.; Ando, H.; Izumiura, H.; Chen, Y.-Q.; Okada, N.; Toyota, E.; Omiya, M.; Masuda, S.; Takeda, Y.; Murata, D.; Itoh, Y.; Yoshida, M.; Kokubo, E.; Ida, S. (2008). "A Substellar companion to the Intermediate-Mass Giant 11 Comae" (abstract). The Astrophysical Journal. 672 (1): 553–557. Bibcode:2008ApJ...672..553L. arXiv:0709.0645 
. doi:10.1086/523297.
External links
- California Institute of Technology. "11 Com b". Retrieved 25 January 2014.
- Extrasolar Planets Encyclopaedia. "11 Com b". Retrieved 25 January 2014.
- Exoplanet Orbit Database. "Exoplanets - Detail View". Retrieved 25 January 2014.
Coordinates: 
12h 20m 43.03s, +17° 47′ 34.3″