HD 82943 b
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]
| Discovery | |
|---|---|
| Discovered by | Mayor, Udry et al. |
| Discovery site |  France |
| Discovery date | April 15, 2000[1] |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 1.19 AU (178,000,000 km) | |
| Eccentricity | 0.219 |
| 441.2 d | |
| 1373.1 | |
| 284 | |
| Semi-amplitude | 59.3 ± 5.2 |
| Star | HD 82943 |
See also
References
- "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. S2CID 5233877.
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.
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