Morphological Evolution of Galaxies to z=4

Details Morphological Evolution of Galaxies to z=4 Morphological Evolution of Galaxies to z=4

2000-12-01

arxiv.org/abs/astro-ph/0012008v1

Astronomy and Astrophysics

Astrophysics

Proceedings for talk given at the ESO/ECF/STScI Workshop on Deep Fields, Garching, Oct. 2000. Five pages

Scientific paper

10.1007/10854354_17

Galaxies have clearly evolved since the universe was 1 Gyr old, but methods to trace and quantify this evolution are still in their infancy. In this paper I demonstrate that with the careful use of a `physical morphology' it is possible to determine quantitatively how the process of galaxy evolution is occurring out to z=4. Using a system of parameters that traces star formation and galaxy interactions, I show how distinct galaxy populations at high-z can be identified in deep high-resolution optical and NIR images. These tools are also used to measure a potential merger fraction of galaxies from 0

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