M/L_B_ and [Fe/H] of elliptical galaxies and the initial mass function.

Details M/L_B_ and [Fe/H] of elliptical galaxies and the initial mass function. M/L_B_ and [Fe/H] of elliptical galaxies and the initial mass function.

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...321..343a&link_type=abstract

Astronomy and Astrophysics, v.321, p.343-352

Astronomy and Astrophysics

Astrophysics

4

Galaxies: Elliptical And Lenticular, Elliptical Galaxies: Fundamental Plane And Metallicity

Scientific paper

The observed trend of mass-to-light ratio M/L_B_ versus elliptical galaxy mass M has been interpreted in various ways by different authors in recent years. We explore in greater detail than previously done the hypothesis that the mentioned trend can be ascribed to a systematic change of the initial mass function (IMF) with M. We use a three-segment power-law IMF with mass exponents x_1_, x_2_, and x_3_ for stellar masses m (in Msun_) in the ranges 0.10.24.

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