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1994PASP..106.1052P - Publ. Astron. Soc. Pac., 106, 1052-1067 (1994/October-0)
The search for primeval galaxies.
PRITCHET C.J.
Abstract (from CDS):
The review begins with a summary of the expected model independent properties of primeval galaxies. Particular attention is paid to the redshift of galaxy formation; empirical evidence is presented that supports galaxy formation at z < 5; however, there exist persuasive arguments that at least some galaxy formation must have taken place at higher redshifts.
A major part of this review concerns primeval galaxy search strategies. Most (although not all) constraints on the properties of primeval galaxies come from searches for Ly-alpha emitting objects. Flux limits for these searches have now reached levels at which surveys should, according to simple models, have detected a total of 10^1-3 objects; yet no really good candidates have been found. This discrepancy between models and observations can possibly be explained by a combination of (i) dust absorption, and (ii) finite angular extent, which degrades flux limits. Technological advances in sub-mm instrumentation should result in the detection of the far-IR flux of primeval galaxies in the next few years.
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