| Discovery | |
|---|---|
| Discovered by | Mayor, Udry et al. |
| Discovery site |  France |
| Discovery date | 2001 |
| Detection method | Doppler spectroscopy |
| Orbital characteristics | |
| Semi-major axis | 0.746 AU (111,600,000 km) |
| Eccentricity | 0.359 |
| Orbital period (sidereal) | 219 d |
| Time of periastron | 1189.3 |
| Argument of periastron | 127 |
| Semi-amplitude | 41.7 ± 0.91 |
| Star | HD 82943 |
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. The planet is the innermost planet of two.
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. S2CID 5233877.
External links
- "Notes for planet HD 82943 c". 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.
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