HD 82943 c
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]
| Discovery | |
|---|---|
| Discovered by | Mayor, Udry et al. |
| Discovery site |  France |
| Discovery date | 2001 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 0.746 AU (111,600,000 km) | |
| Eccentricity | 0.359 |
| 219 d | |
| 1189.3 | |
| 127 | |
| Semi-amplitude | 41.7 ± 0.91 |
| Star | HD 82943 |
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". 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.
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