最終更新日：2024/07/29
(astronomy) A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.
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spectral class
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(astronomy) A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.
spectral class
DiQt（ディクト）
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