“subgiant”的英文意思_释义_用法

单词

subgiant

释义

ˈsubgiant Astr.
[sub- 23.]
A star which when plotted on the Hertzsprung–Russell diagram lies between the main sequence and the giants; a star similar to a giant of the same spectral type but less luminous. Cf. subdwarf n. and a.
1937Astrophysical Jrnl. LXXXV. 383 Three bright ‘subgiants’ having well-determined trigonometric parallaxes.1943W. W. Morgan et al. Atlas Stellar Structure 6 For the stars of types F–K, class IV represents the sub⁓giants and class III the normal giants.1978H. L. Shipman Introd. Astron. xi. 296 Star A becomes a rather unusual type of star, a subgiant—a low-mass, very dim, small red giant.

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