The color and metallicity of elliptical galaxies

Details The color and metallicity of elliptical galaxies The color and metallicity of elliptical galaxies

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983azh....60.1063z&link_type=abstract

(Astronomicheskii Zhurnal, vol. 60, Nov.-Dec. 1983, p. 1063-1072) Soviet Astronomy (ISSN 0038-5301), vol. 27, Nov.-Dec. 1983, p.

Astronomy and Astrophysics

Astronomy

19

Color, Elliptical Galaxies, Metallicity, Spectral Energy Distribution, Energy Spectra, Galactic Evolution, Luminosity, Stellar Evolution

Scientific paper

Evolutionary population synthesis is used to calculate the energy distribution in the integral spectrum and the colours of elliptical galaxies for two metallicities Z = 0.01 and Z = 0.04. The comparison of calculated spectra and UBV colours with the observed ones has shown that even high-luminosity E-galaxies have Z ⪉ 0.01. Slopes of colour dependences on metallicity and age are roughly evaluated. Colour dependence on absolute magnitude for elliptical galaxies established by observations has led to the relation Δlg Z = 0.17 ΔMV.

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