HD 82943 c
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| 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 | ||
| Semimajor axis | (a) | 0.746 AU |
| Eccentricity | (e) | 0.359 |
| Orbital period | (P) | 219 d |
| Argument of periastron |
(ω) | 127° |
| Time of periastron | (T0) | 1189.3 JD |
| Semi-amplitude | (K) | 41.7 ± 0.91 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 2.01 MJ |
| Discovery information | ||
| Discovery date | 2001 | |
| Discoverer(s) | Mayor, Udry et al. | |
| Discovery method | Doppler spectroscopy | |
| Discovery site |  France | |
| Discovery status | Confirmed | |
HD 82943 c is an extrasolar planet approximately 89 light-years away in the constellation of Hydra. The planet was announced in 2001 to be orbiting the yellow dwarf star HD 82943.[1] The planet is the innermost planet of two.[2]
See also
References
- ↑ "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 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 c". The Extrasolar Planets Encyclopaedia. Retrieved 2008-07-15.
- "The Harsh Destiny of a Planet?". European Southern Observatory. 2001-05-09. Retrieved 2008-07-15.
Coordinates: 
09h 34m 50.736s, −12° 07′ 46.365″