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・ Gamma Flight
・ Gamma function
・ Gamma Geminorum
・ Gamma globulin
・ Gamma Gruis
・ Gamma Herculis
・ Gamma Hill
・ Gamma Hydrae
・ Gamma Hydri
・ Gamma Iota Sigma
・ Gamma Island
・ Gamma Island, Bermuda
・ Gamma Kappa Phi
・ Gamma Knife (Kayo Dot album)
・ Gamma Leonis
Gamma Leonis b
・ Gamma Leporis
・ Gamma Librae
・ Gamma loop
・ Gamma Lupi
・ Gamma Lyrae
・ Gamma matrices
・ Gamma Mensae
・ Gamma Microscopii
・ Gamma Monocerotis
・ Gamma motor neuron
・ Gamma Muscae
・ Gamma Normids
・ Gamma Nu
・ Gamma Nu Eta


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Gamma Leonis b : ウィキペディア英語版
Gamma Leonis b


Gamma Leonis b is an extrasolar planet located 125.5 light years away in the constellation Leo, orbiting the giant star Gamma Leonis.
==Discovery==
On November 6, 2009, a planetary companion around primary star Gamma1 Leonis has been announced.〔 Moreover, radial velocity variations would also hint two strong signals at 8.5 and 1340 days. The former periodicity is likely due to stellar pulsation, whereas the latter could be indicative of the presence of an additional planetary companion with 2.14 Jupiter masses, moderate eccentricity (e=0.13) and located at 2.6 Astronomical Units away from the giant star. Nevertheless, the nature of such a signal is still unclear and further investigations are needed to confirm or rule out an additional substellar companion.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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