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TYPE M STAR [1 record]

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Alphabetical list of terms

Record 1 1977-09-20

English

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

"Type M". Bands of titanium oxide become increasingly prominent up to their maximum at M7. The cooler members are classified by J.J. Nassau and associates to M10 by the strengthening of vanadium oxide bands. Betelgeuse and Antares are examples of this red type.

French

Domaine(s)
  • Astrochimie et cosmochimie
  • Astronomie
OBS

Classe M. Étoiles rouges. Les raies des métaux s'affaiblissent. Le spectre est coupé par des bandes d'absorption des molécules de l'oxyde de titane et d'autres combinaisons moléculaires. Étoile type: [alpha] Orion (Bételgeuse).

Spanish

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