An Empirical Relation Between Stellar Mass and Initial Barionic Mass of Galaxies

Details An Empirical Relation Between Stellar Mass and Initial Barionic Mass of Galaxies An Empirical Relation Between Stellar Mass and Initial Barionic Mass of Galaxies

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987atsir1514....3s&link_type=abstract

Astronomicheskii Tsirkulyar NO.1514/OCT, P. 3, 1987

Astronomy and Astrophysics

Astronomy

Scientific paper

The empirical metallicity-mass relation, Zs ∝ Ms0.4, and the chemical evolution theory relation, Zs ≈ yMs/M0, lead to the following dependence of the stellar mass of a galaxy, Ms, on the initial protogalaxy mass, M0: Ms ∝ M05/3. The latter may imply that when galaxies are formed, the ratio of the baryon mass to the mass of dark matter is lower in larger scales.

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