Sub-galactic clumps at a redshift of 2.39 and implications for galaxy formation

A large number of very faint, compact objects have been found at a redshift of 2.39 in optical images of the distant Universe. The objects appear to be star-forming spheroids smaller than the bulge of a spiral galaxy; they are much smaller and fainter than typical galaxies seen today. These objects...

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Bibliographic Details
Published in:Nature (London) 1996-09, Vol.383 (6595), p.45-50
Main Authors: Pascarelle, S. M, Windhorst, R. A, Keel, W. C, Odewahn, S. C
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Characteristics and properties of external galaxies and extragalactic objects
Earth, ocean, space
Exact sciences and technology
Humanities and Social Sciences
multidisciplinary
Origin, formation, evolution, age, and star formation
Science
Science (multidisciplinary)
Stars & galaxies
Stellar systems. Galactic and extragalactic objects and systems. The universe
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Summary:A large number of very faint, compact objects have been found at a redshift of 2.39 in optical images of the distant Universe. The objects appear to be star-forming spheroids smaller than the bulge of a spiral galaxy; they are much smaller and fainter than typical galaxies seen today. These objects may be part of a reservoir from which many of today's luminous galaxies were formed through repeated mergers.
ISSN:0028-0836
1476-4687
DOI:10.1038/383045a0