metal-rich star

metal-rich star

[′med·əl ¦rich ′stär]
(astronomy)
A star in which the ratio of metals (elements heavier than helium) to hydrogen is greater than that of the Hyades.
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References in periodicals archive ?
Higher metallicities might support the formation of large cores, explaining why we're more likely to find a gas giant orbiting a metal-rich star.
So far, of the 750 confirmed exoplanet discoveries, there is a better statistical likelihood of a metal-rich star playing host to planets.
It has long been noted that giant planets with short orbital periods tend to be associated with metal-rich stars.
Astronomers have found most extrasolar planets orbiting younger, relatively metal-rich stars.

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