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Lyman-break galaxies at z~5 -I. First significant stellar mass assembly in galaxies that are not simply z~3 LBGs at higher redshift

Abstract:

We determine the ensemble properties of z~5 Lyman break galaxies (LBGs) selected as V-band dropouts to i(AB)<26.3 in the Chandra Deep Field South using their rest-frame UV-to-visible SEDs. By matching the selection and performing the same analysis that has been used for z~3 samples, we show clear differences in the properties of two samples of LBGs which are separated by ~1Gyr in lookback time. We find that z~5 LBGs are typically much younger (<100Myr) and have lower stellar masses (10^...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Lehnert, MD More by this author
Schreiber, NMF More by this author
Bremer, MN More by this author
Douglas, L More by this author
Journal:
Mon.Not.Roy.Astron.Soc.
Volume:
377
Issue:
3
Pages:
1024-1042
Publication date:
2007-01-25
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:e3a3076c-5fde-47b8-9259-3574566705e4
Source identifiers:
157910
Local pid:
pubs:157910
Language:
English
Keywords:

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