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・ Kepler-33b
・ Kepler-34
・ Kepler-345b
・ Kepler-34b
・ Kepler-35
・ Kepler-351b
・ Kepler-36
・ Kepler-36b
・ Kepler-37
・ Kepler-371
・ Kepler-371b
・ Kepler-371c
・ Kepler-37b
・ Kepler-37c
・ Kepler-37d
Kepler-38
・ Kepler-39
・ Kepler-39b
・ Kepler-4
・ Kepler-40
・ Kepler-40b
・ Kepler-41
・ Kepler-413b
・ Kepler-41b
・ Kepler-42
・ Kepler-421
・ Kepler-421b
・ Kepler-42c
・ Kepler-43
・ Kepler-432b


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Kepler-38 : ウィキペディア英語版
Kepler-38


Kepler-38 is a binary star system. These stars, called Kepler-38A and Kepler-38B have masses of 95% and 25% solar masses respectively. The brighter star is spectral class G while the secondary has spectral class M. They are separated by 0.147 AU, and complete an eccentric orbit around a common center of mass every 18.8 days.〔The Neptune-Sized Circumbinary Planet Kepler-38b, 18 August 2012 Jerome A. Orosz, William F. Welsh, Joshua A. Carter, Erik Brugamyer, Lars A. Buchhave, William D. Cochran, Michael Endl, Eric B. Ford, Phillip MacQueen, Donald R. Short, Guillermo Torres, Gur Windmiller, Eric Agol, Thomas Barclay, Douglas A. Caldwell, Bruce D. Clarke, Laurance R. Doyle, Daniel C. Fabrycky, John C. Geary, Nader Haghighipour, Matthew J. Holman, Khadeejah A. Ibrahim, Jon M. Jenkins, Karen Kinemuchi, Jie Li, Jack J. Lissauer, Andrej Prsa, Darin Ragozzine, Avi Shporer, Martin Still, Richard A. Wade〕
==Planetary system==
In 2012, a circumbinary Neptune-sized planet was found transiting the brighter star. Follow-up radial velocity measurements did not give sufficient information to constrain the mass of the planet. The planet was confirmed via transit duration variation method.


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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