Hellenica World

HD 20782

HD 20782 is a 7th magnitude G-type main sequence star about 117 light-years away in the constellation of Fornax. It is estimated to be 7.1 (± 4) billion years old, with a mass close to that of our Sun. An extrasolar planet was announced around this star in 2006.[1]

Planetary system

The HD 20782 system[1]
(in order from star)
Mass Semimajor axis
Orbital period
b >1.80 ± 0.23 MJ 1.36 ± 0.12 585.86 ± 0.03 0.92 ± 0.03

See also

* HD 80606
* List of extrasolar planets


1. ^ a b Jones et al.; Butler, R. Paul; Tinney, C. G.; Marcy, Geoffrey W.; Carter, Brad D.; Penny, Alan J.; McCarthy, Chris; Bailey, Jeremy (2006). "High-eccentricity planets from the Anglo-Australian Planet Search" (abstract). Monthly Notices of the Royal Astronomical Society 369: 249–256. doi:10.1111/j.1365-2966.2006.10298.x. http://www3.interscience.wiley.com/journal/118549912/abstract. (web preprint)

External links

* "Notes for star HD 20782". The Extrasolar Planets Encyclopaedia. http://exoplanet.eu/star.php?st=HD+20782. Retrieved 2008-08-29.

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