A Planet in a Circular Orbit with a 6 Year Period | Zendy

Brad Carter | Zendy; R. Paul Butler | Zendy; C. G. Tinney | Zendy; H. R. A. Jones | Zendy; Geoffrey W. Marcy | Zendy; C. McCarthy | Zendy; Debra A. Fischer | Zendy; A. J. Penny | Zendy

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A Planet in a Circular Orbit with a 6 Year Period

Author(s) -

Brad Carter,

R. Paul Butler,

C. G. Tinney,

H. R. A. Jones,

Geoffrey W. Marcy,

C. McCarthy,

Debra A. Fischer,

A. J. Penny

Publication year - 2003

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/378185

Subject(s) - physics , planet , astronomy , orbit (dynamics) , circular orbit , eccentricity (behavior) , orbital eccentricity , astrophysics , exoplanet , stars , doppler effect , aerospace engineering , engineering , political science , law

Precision Doppler velocity measurements from the 3.9--m Anglo-AustralianTelescope reveal a planet with a 6 year period orbiting the G5 dwarf HD 70642.The a = 3.3 AU orbit has a low eccentricity (e = 0.1), and the minimum (\msini)mass of the planet is 2.0 \mjup. The host star is metal rich relative to theSun, similar to most stars with known planets. The distant and approximatelycircular orbit of this planet makes it a member of a rare group to emerge fromprecision Doppler surveys

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