Metal Wire A-type Star - Metal Wire A-type Star
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…They are also called metallic A-type stars, or simply Am because of their spectral type. In the 1940s, they were separated from normal A-type stars in the spectral classification of stars because they emitted weak calcium K-lines. … *Some of the terminology explanations that refer to "metal wire A-type star" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
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…金属線A型星，あるいはスペクトル型から単にAmとも呼ばれる。星のスペクトル分類で，1940年代に，カルシウムK線の弱い星として，正常A型星から分離された。… ※「金属線 Ａ 型星」について言及している用語解説の一部を掲載しています。 出典｜株式会社平凡社世界大百科事典 第２版について | 情報 |
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