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Obscured star formation in intermediate-density environments: A Spitzer study of the Abell 901/902 supercluster

Abstract:

We explore the amount of obscured star-formation as a function of environment in the A901/902 supercluster at z=0.165 in conjunction with a field sample drawn from the A901 and CDFS fields, imaged with HST as part of the STAGES and GEMS surveys. We combine the COMBO-17 near-UV/optical SED with Spitzer 24um photometry to estimate both the unobscured and obscured star formation in galaxies with Mstar>10^{10}Msun. We find that the star formation activity in massive galaxies is suppressed in d...

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Publication status:
Published

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Authors


Gallazzi, A More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Papovich, C More by this author
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Publisher:
Institute of Physics Publishing Publisher's website
Journal:
Astrophys.J.
Volume:
690
Issue:
2
Pages:
1883-1900
Publication date:
2008-09-11
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
URN:
uuid:94bd8bc7-debd-4e88-bfba-75a5e500c263
Source identifiers:
26641
Local pid:
pubs:26641
Language:
English
Keywords:

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