Spectroscopic Astrophysics

Spectroscopic Astrophysics

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... the fainter components were inferred to be sub- giants from their location in that region of the H-R diagram. ... of this type listed by Roxburgh have no evident connection with nebulosity, with young clusters or associations, or with any other anbsp;...

Title:Spectroscopic Astrophysics
Author:George H. Herbig, Otto Struve
Publisher:Univ of California Press - 1970-01


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