radial velocity curve — An Etymological Dictionary of Astronomy and Astrophysics

radial velocity curve

خم ِ تندای ِ شعاعی

xam-e tondâ-ye šo'â'i

Fr.: courbe de vitesse radiale

A curve describing the variation of the radial velocity of a star, due to the Doppler effect,
under the gravitational effect of a secondary body (companion or exoplanet). The amplitude of these variations depends upon the mass of the secondary and its distance from the star.

See also: → radial velocity; → curve.

An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک