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STAR SPECTRUM CLASSIFICATION [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1998-01-05

English

Subject field(s)
  • The Stars (Astronomy)
OBS

Source: (National Centre for Space Studies).

French

Domaine(s)
  • Étoiles (Astronomie)
DEF

Schéma de classement des étoiles d'après les caractéristiques de leur spectre : absence ou présence de certaines raies, qui forment les anciennes classes spectrales dénommées O, B, A, F, G, K, M, se subdivisant, elles-mêmes en types spectraux, en relation avec le rapport d'intensité entre couples de raies déterminées.

OBS

Source : Centre national d'études spatiales.

OBS

La classification spectrale stellaire rend compte de la température des étoiles au moyen du degré d'ionisation et du niveau d'excitation du milieu.

Spanish

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