HD 82943 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 82943 | |
| Constellation | Hydra | |
| Right ascension | (α) | 09h 34m 50.736s |
| Declination | (δ) | −12° 07′ 46.365″ |
| Distance | 89.56 ly (27.46 pc) | |
| Spectral type | G0V | |
| Orbital elements | ||
| Semi-major axis | (a) | 1.19 AU |
| Eccentricity | (e) | 0.219 |
| Orbital period | (P) | 441.2 d |
| Argument of periastron |
(ω) | 284° |
| Time of periastron | (T0) | 1373.1 JD |
| Semi-amplitude | (K) | 59.3 ± 5.2 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.75 MJ |
| Discovery information | ||
| Discovery date | April 15, 2000[1] | |
| Discoverer(s) | Mayor, Udry et al. | |
| Discovery method | Doppler spectroscopy | |
| Discovery site |  | |
| Discovery status | Confirmed | |
HD 82943 b is an extrasolar planet approximately 89 light-years away in the constellation of Hydra. The planet was announced in 2000 by the Geneva Extrasolar Planet Search Team.[1] The planet is the outermost planet of two.[2]
See also
References
- 1 2 "Exoplanets Galore!" (Press release). Garching, Germany: European Southern Observatory. April 15, 2000. Retrieved December 30, 2012.
- ↑ Mayor, M.; et al. (2004). "The CORALIE survey for southern extra-solar planets XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE". Astronomy and Astrophysics. 415 (1): 391–402. arXiv:astro-ph/0310316. Bibcode:2004A&A...415..391M. doi:10.1051/0004-6361:20034250.
External links
- "Notes for planet HD 82943 b". The Extrasolar Planets Encyclopaedia. Retrieved 2008-07-15.
- "The Harsh Destiny of a Planet?". European Southern Observatory. 2001-05-09. Archived from the original on 2008-05-07. Retrieved 2008-07-15.
Coordinates: 
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