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The Fundamental Plane in RX J0142.0+2131: a galaxy cluster merger at z=0.28

Abstract:

We present the Fundamental Plane (FP) in the z = 0.28 cluster of galaxies RX J0142.0+2131. There is no evidence for a difference in the slope of the FP when compared with the Coma cluster, although the internal scatter is larger. On average, stellar populations in RX J0142.0+2131 have rest-frame V-band mass-to-light ratios (M/L_V) 0.29+-0.03 dex lower than in Coma. This is significantly lower than expected for a passively-evolving cluster formed at z_f=2. Lenticular galaxies have lower averag...

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Publication status:
Published

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Publisher copy:
10.1086/508257

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Journal:
Astrophys.J.
Volume:
649
Issue:
1
Pages:
L1-L4
Publication date:
2006-08-07
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
URN:
uuid:30035ab2-59b6-45ad-b65b-cf5362de5f2b
Source identifiers:
188315
Local pid:
pubs:188315
Keywords:

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