spectral type

基本解釋

Intermediate-mass stars of spectral type A may be radiative throughout.
A型光譜的中等質(zhì)量恒星可能全部採(cǎi)用輻射傳熱。
A complete MK designation includes both spectral type and luminosity class —for instance, the sun is a G2V.
一個(gè)完整的MK系統(tǒng)代號(hào)包含光譜類型和光度型兩部分——例如，太陽屬於G2V類恒星。
The appearance of the different spectral type for white dwarfs depends mainly on the difference in temperature and internal mixing degree.
白矮星不同光譜型的表現(xiàn)，主要是由於溫度的不同和內(nèi)部混攪程度的不同引起的。

any of various groups into which stars are classified according to characteristic spectral lines and bands. The most important classification (Harvard classification) has a series of classes O, B, A, F, G, K, M, the series also being a scale of diminishing surface temperature