Astrophysics (index)about

spectrum binary

(binary star detectable because its spectrum looks like that of two stars)

A spectrum binary is a binary star system which appears to be a star, but the spectrum looks like the combined spectrum of two stars.

It is one of a number binary-star classes based upon how the star is determined to be binary. Others:

(star type,binary star type,spectrography)

Referenced by:
astrometric binary
binary star
eclipsing binary
spectroscopic binary
visual binary