bn:01146754n
Noun Concept
Categories: Am stars, Star types
EN
Am star  Am stars  Delta Delphini star  metal lines  metallic-line star
EN
An Am star or metallic-line star is a type of chemically peculiar star of spectral type A whose spectrum has strong and often variable absorption lines of metals such as zinc, strontium, zirconium, and barium, and deficiencies of others, such as calcium and scandium. Wikipedia
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EN
An Am star or metallic-line star is a type of chemically peculiar star of spectral type A whose spectrum has strong and often variable absorption lines of metals such as zinc, strontium, zirconium, and barium, and deficiencies of others, such as calcium and scandium. Wikipedia
A class of chemically-peculiar stars Wikipedia Disambiguation
Star Wikidata