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Meaning of spectral class | Babel Free

Noun CEFR B2

Definitions

A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.

Equivalents

Čeština spektrální třída

Deutsch Spektralklasse

Examples

“Maji orbits the Vamshi binary giant stars. Vamshi-A is a blue star of spectral class A4III which burns at half again the temperature of Sol. Vamshi-B is an aging red giant of class M5III, over 220 times the size of Sol.”

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

spectral gating spectral line spectral owl spectral set spectral theorem spectral theory