The Evolution of Galaxies in the FORS Deep and GOODS-S Fields

Details The Evolution of Galaxies in the FORS Deep and GOODS-S Fields The Evolution of Galaxies in the FORS Deep and GOODS-S Fields

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006msngr.125...15d&link_type=abstract

The Messenger, volume 125, page 15

Physics

2

Scientific paper

Deep multicolour surveys obtained with ESO telescopes provide new insights into the evolution of galaxies from 1 Gyr after the Big Bang to the present epoch. With the broad wavelength coverage (U to K) of the FORS Deep Field and the GOODS-S field, we can derive accurate photometric redshifts for about 8000 galaxies between z = 0 and z = 6. Modelling their spectral energy distributions yields galaxy stellar masses and star-formation rates as a function of cosmic time. Interestingly, massive galaxies (M > 1011 MA) seem to be present even at the highest redshift and do not disappear faster with redshift than lower-mass galaxies. Star-formation activity moves from bright to faint objects with decreasing redshift (downsizing).

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