バリウム星
1. Barium starBarium stars are spectral class G to K giants, whose spectra indicate an overabundance of s-process elements by the presence of singly ionized barium, Ba II, at λ 455.4nm. Barium stars also show enhanced spectral features of carbon, the bands of the molecules CH, CN and C2. The class was originally recognized and defined by William Bidelman and Philip Keenan.
Read “Barium star” on English Wikipedia
Read “バリウム星” on Japanese Wikipedia
Read “Barium star” on DBpedia
Read “Barium star” on English Wikipedia
Read “バリウム星” on Japanese Wikipedia
Read “Barium star” on DBpedia
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