The metallicity of elliptical galaxies

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

From the results of observations with the 6-meter telescope, the metallicities of the nuclei of 30 elliptical galaxies were determined, A linear metallicity-absolute magnitude relation was derived whose slope agrees with the one previously obtained from the color- luminosity correlation. Our relation completely joins the similar relation for dwarf spheroidal galaxies. Individual deviations of galaxies from this relation correlate with the isophote-form parameter in the galaxies with "box-like" isophotes, a metal excess is observed.

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