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Words near each other
・ KOI-2124.01
・ KOI-2194.03
・ KOI-256
・ KOI-2626.01
・ KOI-3010.01
・ KOI-3138.01
・ KOI-3456.02
・ KOI-433.02 m
・ KOI-4878.01
・ KOI-5737.01
・ KOI-5806.01
・ KOI-7296.01
・ KOI-74
・ KOI-7599.01
・ KOI-7617.01
KOI-81
・ KOI-854.01
・ Koi-Koi
・ Koi-Yamagata Station
・ Koi... Mil Gaya
・ KOI7
・ KOI8-R
・ KOI8-U
・ Koiak
・ Koiari Raid
・ Koiarian languages
・ Koiatu Koiatu
・ Koibal
・ Koibal language
・ Koibal people


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KOI-81 : ウィキペディア英語版
KOI-81

KOI-81 is an eclipsing binary star in the constellation of Cygnus. The primary star is a late B-type or early A-type main-sequence star with a temperature of . It lies in the field of view of the Kepler Mission and was determined to have an object in orbit around it which is smaller and hotter than the main star.〔
==KOI-81b==
KOI-81b is a hot compact object orbiting KOI-81. It was discovered in 2010 by the Kepler Mission and came to attention because of its small size and high temperature of .〔 The orbit of KOI-81b around the main star takes 23.8776 days to complete. Analysis of relativistic effects in the Kepler light curve suggests that it is a low-mass white dwarf of approximately 0.3 solar masses, produced by a previous stage of mass transfer during the object's giant phase.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「KOI-81」の詳細全文を読む



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