HD 82943 c

HD 82943 c

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.^[1] The planet is the innermost planet of two.^[2]

See also

• HD 82943 b

References

1. "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
2. 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.