New lights on spectrophotometric models of galaxy evolution.

Details New lights on spectrophotometric models of galaxy evolution. New lights on spectrophotometric models of galaxy evolution.

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pgrp.work..143r&link_type=abstract

Japan-France Seminar on Primeval Galaxies and Related Problems, p. 143 - 154

Computer Science

Scientific paper

Recent improvements of spectrophotometric evolutionary models are described. Colors and ages of galaxies given by models are compared to the high-z observations, showing that the best fits are obtained with standard luminosity evolution and a low value of Ω0. In a Ω0 = 1 Universe, models fit data only by taking into account luminosity and number density evolutions. Such a modeling is related to a merging process. Moreover from evolution of M/L ratio, these models allow to link observed luminosity functions with the mass distributions predicted from galaxy formation models.

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