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PRIMARY STAR [1 record]

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Record 1 1977-09-21

English

Subject field(s)
  • Astronomy
OBS

The position of the "companion", or fainter star of the pair, with respect to the "primary star" is obtained by measuring its position angle and distance.

French

Domaine(s)
  • Astronomie
OBS

Le mouvement des composantes des doubles vérifie les lois de képler (...): les deux composantes décrivent dans l'espace des orbites elliptiques analogues (c'est-à-dire de même excentricité) autour d'un centre de gravité commun. Cette même excentricité caractérise l'orbite du compagnon par rapport à l'étoile principale ou primaire, cette dernière étant considérée comme fixe.

Spanish

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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