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Metal-enriched gaseous halos around distant radio galaxies: Clues to feedback in galaxy formation

Abstract:

We present the results of an optical and near-IR spectroscopic study of giant nebular emission-line halos associated with three z > 3 radio galaxies, 4C 41.17, 4C 60.07, and B2 0902+34. Previous deep narrowband Lyα imaging revealed complex morphologies with sizes up to 100 kpc, possibly connected to outflows and AGN feedback from the central regions. The outer regions of these halos show quiet kinematics with typical velocity dispersions of a few hundred km s-1 and velocity shears that can...

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Publication status:
Published

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Publisher copy:
10.1086/516571

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Journal:
ASTRONOMICAL JOURNAL More from this journal
Volume:
133
Issue:
6
Pages:
2607-2623
Publication date:
2007-06-01
DOI:
EISSN:
1538-3881
ISSN:
0004-6256
Language:
English
Keywords:
Pubs id:
pubs:195961
UUID:
uuid:e9393551-9500-4db0-bfcb-9ed669cdd672
Local pid:
pubs:195961
Source identifiers:
195961
Deposit date:
2012-12-19

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