Merging and fast galaxy evolution

Details Merging and fast galaxy evolution Merging and fast galaxy evolution

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...399l..31c&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 399, no. 1, p. L31-L34.

Astronomy and Astrophysics

Astrophysics

36

Faint Objects, Galactic Evolution, Interacting Galaxies, Astronomical Models, Dwarf Galaxies, Gravitational Effects, Halos, Red Shift, Star Formation Rate

Scientific paper

A dynamically based galaxy merger rate formula is combined here with a luminosity evolution calculation better to quantify the evolution of the rapid galaxy merger model of galactic evolution. A dynamical calculation which follows the evolution of the galaxy mass function with redshift is presented. It is concluded that current epoch merger rates imply little mass evolution up to z = 0.5 but a substantial change thereafter.

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