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O-ASSOCIATION [1 record]

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Record 1 1977-09-22

English

Subject field(s)
  • Astronomy
OBS

We now distinguish between two kinds of associations: those containing O and B stars are called "O-associations"; the others contain T Tauri stars and are called "T-associations".

French

Domaine(s)
  • Astronomie
OBS

Il existe deux types d'associations "stellaires". Le premier, celui des "associations O", contient les étoiles des classes spectrales jeunes de O à B2. Elles mesurent des dizaines et des centaines de parsecs, c'est-à-dire elles sont beaucoup de fois plus grandes que les amas ouverts. Les associations du deuxième type sont composées d'étoiles T Taureau, d'où leur nom d'"associations T".

Spanish

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