HD 2039

Starbox short
name = HD 2039
epoch = J2000.0
constell = Phoenix
ra = RA|00|24|20
dec = DEC|-56|39|00
spectral = G2/G3 IV-V
appmag_v = 9.01
dist_ly = 292.9
dist_pc = 89.8
names = CD-57° 71, HIP 1931, SAO 232025

HD 2039 is a yellow dwarf or yellow subgiant star in the constellation Phoenix. The magnitude is 9, meaning it can only be visible through small telescope or better equipment.

Planetary system

In 2002, a planet was found to be orbiting the star. It is almost five times more massive than Jupiter and has a very eccentric orbit.

PlanetboxOrbit
exoplanet = b
mass = >4.85 ± 1.7
period = 1192.582 ± 150
semimajor = 2.19 ± 0.2
eccentricity = 0.68 ± 0.15

See also

* List of stars with confirmed extrasolar planets

References

*cite journal | url=http://www.journals.uchicago.edu/doi/full/10.1086/368068 | author=Tinney "et al." | title=Four New Planets Orbiting Metal-enriched Stars | journal=The Astrophysical Journal | volume=587 | issue=1 | year=2003 | pages=423 – 428 | doi=10.1086/368068
*cite journal|url=http://www.journals.uchicago.edu/doi/abs/10.1086/504701|author=Butler "et al." | title=Catalog of Nearby Exoplanets | journal=The Astrophysical Journal | volume=646 | issue=1 | pages=505 – 522 | year=2006 | doi=10.1086/504701 ( [http://xxx.lanl.gov/abs/astro-ph?papernum=0607493 web Preprint] )

External links

* [http://exoplanet.eu/star.php?st=HD+2039 The Extrasolar Planets Encyclopaedia: HD 2039]
* [http://www.extrasolar.net/startour.asp?StarCatID=normal&StarID=179 Extrasolar Visions: HD 2039] + [http://www.extrasolar.net/planettour.asp?StarCatID=normal&PlanetID=217 HD 2039 b]
* [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=HD+2039&NbIdent=1&Radius=10&Radius.unit=arcmin&submit=submit+id SIMBAD: HD 2039] + [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=HD+2039+b&NbIdent=1&Radius=10&Radius.unit=arcmin&submit=submit+id HD 2039 b]