HD 20782 b is an
extrasolar planet
An exoplanet or extrasolar planet is a planet outside the Solar System. The first possible evidence of an exoplanet was noted in 1917 but was not recognized as such. The first confirmation of detection occurred in 1992. A different planet, init ...
located approximately 117
light-years away in the
constellation of
Fornax
Fornax () is a constellation in the southern celestial hemisphere, partly ringed by the celestial river Eridanus. Its name is Latin for furnace. It was named by French astronomer Nicolas Louis de Lacaille in 1756. Fornax is one of the 88 modern ...
, orbiting the
star HD 20782.
This planet orbits in the most
eccentric orbit known (as of November 2012),
with a
semi-major axis of 1.36
AU, and eccentricity e=0.97+/-0.01.
Selection Functions in Doppler Planet Searches
/ref> As a result, it also has one of the most extreme temperature swings.
See also
* HD 80606 b
HD 80606 b (also Struve 1341 B b or HIP 45982 b) is an eccentric and hot Jupiter 190 light-years from the Sun in the constellation of Ursa Major. HD 80606 b was discovered orbiting the star HD 80606 in April 2001 by a team led by Michel Mayor an ...
References
External links
*
Fornax (constellation)
Exoplanets discovered in 2006
Giant planets
Exoplanets detected by radial velocity
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