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TYPE F STAR [1 record]

Record 1 1977-09-20

English

Subject field(s)
  • Astrochemistry and Cosmochemistry
  • Astronomy
OBS

"Type F". Hydrogen lines are declining. Lines of metals are increasing in intensity, notably the Fraunhofer H and K of ionized calcium. Canopus and Procyon are examples.

French

Domaine(s)
  • Astrochimie et cosmochimie
  • Astronomie
OBS

Classe F. Les raies d'hydrogène deviennent plus faibles. Les raies des métaux ionisés (surtout de calcium, de fer, de titane) se renforcent. [La couleur des étoiles est] jaunâtre. Étoile type: (...) Petit Chien (Procyon).

Spanish

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