Last Updated
：2025/12/06
Malmquist bias
Noun
uncountable
Japanese Meaning
マルムクイストバイアスとは、遠方の領域で観測対象を集める際、１平方度あたりのサンプル収集領域が広がるため、明るい天体が検出されやすく、暗い天体が見落とされる結果、明るい天体が相対的に多く見える選択バイアスの一種です。 / 遠距離での観測において、距離による検出限界の影響で、暗い天体がサンプルから除外され、明るい天体が優先的に選ばれる現象を指します。
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A type of selection bias, where brighter objects appear to be more common at further distances; caused by a larger actual sample gathering region per square degree at further distances, and that dimmer sources drop out of sight due to distance.
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Malmquist bias
When observing distant galaxies, astronomers must account for the Malmquist bias to avoid overestimating how common brighter objects are.
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When observing distant galaxies, astronomers must account for the Malmquist bias to avoid overestimating how common brighter objects are.
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