double-lined binary — An Etymological Dictionary of Astronomy and Astrophysics

double-lined binary

دورین ِ دوخطه

dorin-e doxatté

Fr.: binaire à double raies

A → spectroscopic binary in which the → spectral lines of both stars are seen and the lines are alternatively double and single. Same as → SB2 binary. See also: → single-lined binary.

See also: → double; → line; → binary

An Etymological Dictionary of Astronomy and Astrophysics