星のみかけ上の光度 the apparent brightness of a star
- EDR日英対訳辞書
光度が二等の星 star of the second magnitude
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非常な高密度の光度の低い星 a faint star of enormous density
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光度変化の不規則な変光星 a variable star of which the brightness variation is irregular
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(天文学で)星の光度を示す階級 in astronomy, the degree of brightness of a star
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恒星のスペクトル型と光度との関係で決定される視差 the parallax of a star indicated by its absolute magnitude as deduced from the relative intensity of its spectrum rays
- EDR日英対訳辞書