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A journey from the outskirts to the cores of groups I: Color- and mass-segregation in 20K-zCOSMOS groups

Abstract:

Using the group catalog obtained from zCOSMOS spectroscopic data and the complementary photometric data from the COSMOS survey, we explore segregation effects occurring in groups of galaxies at intermediate/high redshifts. We built two composite groups at intermediate (0.2 <= z <= 0.45) and high (0.45 < z <= 0.8) redshifts, and we divided the corresponding composite group galaxies into three samples according to their distance from the group center. We explored how galaxy stellar ...

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Publisher copy:
10.1051/0004-6361/201118293

Authors


Presotto, V More by this author
Scodeggio, M More by this author
Cucciati, O More by this author
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Journal:
Astronomy and Astrophysics
Volume:
539
Pages:
A55-A55
Publication date:
2012-01-09
DOI:
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:0fdaca8b-6ba5-43e5-a077-78706e2926f2
Source identifiers:
449065
Local pid:
pubs:449065
Language:
English
Keywords:

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