A star with a higher metal content than a standard star in terms of the chemical composition of its atmosphere. The standard group of stars is the Hyades cluster. Stars in old open clusters such as M67 and NGC188 fit this category. Source : Heibonsha Encyclopedia About MyPedia Information |
大気の化学組成において,金属の量が標準の星よりも多い恒星。標準の星の集団としてはヒヤデス星団をとる。M67やNGC188などの古い散開星団の星がこれに該当する。
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