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O-TYPE STAR [1 record]

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Alphabetical list of terms

Record 1 1977-08-29

English

Subject field(s)
  • Astronomy
OBS

The O-type stars have a temperature so high that it is difficult to determine. The estimates run somewhere around 50,000 °K or more. The lines that primarily distinguish the O-type spectrum are those of ionized helium, for they appear in no other spectral class.

French

Domaine(s)
  • Astronomie
OBS

Les étoiles O (...) caractérisées (...) par les raies d'absorption de l'ion He [positif] montrent aussi les raies de l'hydrogène en absorption et quelquefois en émission.

Spanish

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