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HD 30177

HD 30177 is an 8th magnitude star located approximately 178 light-years (55 parsecs) away in the constellation Dorado. The star is a yellow dwarf, a type of yellow star that fuses hydrogen in its core. Since if this star is a late G-type, it is cooler and less massive than the Sun, but larger in radius. It is 1.8 times older than our Sun. This star system contains a single extrasolar planet.[1]


Planetary system

The HD 30177 system[2]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity
b >10.45 ± 0.88 MJ 3.95 ± 0.26 2770 ± 100 0.193 ±0.025

See also

* List of extrasolar planets
* Pi Mensae


References

1. ^ Tinney et al.; Butler, R. Paul; Marcy, Geoffrey W.; Jones, Hugh R. A.; Penny, Alan J.; McCarthy, Chris; Carter, Brad D.; Bond, Jade (2003). "Four New Planets Orbiting Metal-enriched Stars". The Astrophysical Journal 587 (1): 423–428. doi:10.1086/368068. http://www.iop.org/EJ/article/0004-637X/587/1/423/56381.html.
2. ^ Butler et al.; Wright, J. T.; Marcy, G. W.; Fischer, D. A.; Vogt, S. S.; Tinney, C. G.; Jones, H. R. A.; Carter, B. D. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. doi:10.1086/504701. http://www.iop.org/EJ/article/0004-637X/646/1/505/64046.html.


External links

* "Notes for star HD 30177". The Extrasolar Planets Encyclopaedia. http://exoplanet.eu/star.php?st=HD+30177. Retrieved 2008-08-29.
* "HD 30177". Extrasolar Visions. http://www.extrasolar.net/planettour.asp?StarCatId=normal&StarId=164. Retrieved 2008-08-29.

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