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出典:Wikipedia

Kepler Object of Interest

出典:『Wikipedia』 (2011/04/28 18:53 UTC 版)

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A Kepler Object of Interest (KOI) is a star observed by the Kepler spacecraft which is suspected of hosting one or more transiting planets. KOI's come from a master list of 150,000 stars which itself is generated from the Kepler Input Catalog (KIC). A KOI shows a periodic dimming, indicative of an unseen planet passing between the star and Earth, eclipsing part of the star. However, such an observed dimming is not a guarantee of a transiting planet, as other astronomical objects - such as an eclipsing binary in the background - can mimic a transit signal. For this reason, the majority of KOI's are not as yet confirmed transiting planet systems.

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