TERMIUM Plus®

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TYPE STAR [2 records]

Record 1 1977-09-20

English

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

(...) "type S" [show bands] of zirconium oxide and lanthanum oxide.

French

Domaine(s)
  • Astrochimie et cosmochimie
  • Astronomie
OBS

Classes S. Les étoiles de cette classe se distinguent de celles de la classe M par la présence des bandes d'oxyde de zirconium (ZrO) au lieu d'oxyde de titane (TiO).

Spanish

Save record 1

Record 2 1977-09-20

English

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

"Type A". Hydrogen lines attain maximum intensity at A2. Examples are Sirius and Vega. Band A stars are blue.

French

Domaine(s)
  • Astrochimie et cosmochimie
  • Astronomie
OBS

Classe A. Les raies d'hydrogène atteignent l'intensité maximale. Les raies de calcium ionisé sont bien nettes, on observe également des raies d'autres métaux. La couleur des étoiles est blanche. Étoiles types: [alpha] Lyre (Véga) et [alpha] Grand Chien (Sirius).

Spanish

Save record 2

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