HD 142

Starbox short
name = HD 142
epoch = 2000
constell = Phoenix
ra = RA|00|06|19.1755
dec = DEC|–49|04|30.688
appmag_v = 5.7
dist_ly = 67.18
dist_pc = 20.6
spectral = G1IV
names = Gliese 4.2, HIP 522, HR 6, SAO 214963, Wo 9002
Simbad = HD+142
ARICNS = 4c00009

HD 142 is a 6th magnitude star approximately 67 light years away in the constellation of Phoenix. A companion star was detected in 1894 making this a binary star system. [cite journal | url=http://www.journals.uchicago.edu/doi/full/10.1086/504823 | author=Raghavan "et al." | title=Two Suns in The Sky: Stellar Multiplicity in Exoplanet Systems | journal=The Astrophysical Journal | volume=646 | issue=1 | pages=523–542 | year=2006 | 10.1086/504823]

Planetary system

In 2001, the astronomer Chris Tinney announced the discovery of a gas giant planet orbiting the star. [cite journal | url=http://www.journals.uchicago.edu/doi/full/10.1086/339916 | author=Tinney "et al." | title=Two Extrasolar Planets from the Anglo-Australian Planet Search | journal=The Astrophysical Journal | volume=571 | issue=1 | year=2002 | pages=528–531 | doi=10.1086/339916 ]

PlanetboxOrbit
exoplanet = b
mass = >1.31 ± 0.18 cite journal | url=http://www.journals.uchicago.edu/doi/full/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]
period = 350.3 ± 3.6
semimajor = 1.045 ± 0.061
eccentricity = 0.26 ± 0.18

See also

* List of stars with confirmed extrasolar planets

References

External links

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