Have we detected the primeval galaxies?

Details Have we detected the primeval galaxies? Have we detected the primeval galaxies?

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995msngr..81...14m&link_type=abstract

The Messenger, vol. 81, p. 14-19

Physics

Primeval Galaxies: Detection

Scientific paper

The identification of the population of primeval galaxies, namely the first galaxies to form stars in the Universe, is essential to provide the much needed observational underpinning to modern theories of galaxy formation and evolution, without which these theories are destined to remain in the realm of speculation. Until recently, and despite decades of intensive search, primeval galaxies had not been identified and thus the epoch (or the epochs!) and the early physics of galaxy formation are still substantially unknown. The combination of ground-based photometry and spectroscopy with the Hubble Space Telescope high angular resolution, is changing this situation and we are now obtaining empirical evidence that a population of galaxies of relatively normal luminosity was already in place at redshifts z > 3 and in an evolutionary state characterised by active star formation.

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