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Planck Intermediate Results. XI: The gas content of dark matter halos: the Sunyaev-Zeldovich-stellar mass relation for locally brightest galaxies

Abstract:

We present the scaling relation between Sunyaev-Zeldovich (SZ) signal and stellar mass for almost 260,000 locally brightest galaxies (LBGs) selected from the Sloan Digital Sky Survey (SDSS). These are predominantly the central galaxies of their dark matter halos. We calibrate the stellar-to-halo mass conversion using realistic mock catalogues based on the Millennium Simulation. Applying a multi-frequency matched filter to the Planck data for each LBG, and averaging the results in bins of stel...

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Publisher copy:
10.1051/0004-6361/201220941

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Journal:
Astronomy and Astrophysics
Volume:
557
Pages:
A52-A52
Publication date:
2012-12-17
DOI:
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:30c129b5-ad5e-4f43-86c7-92ad67bbcead
Source identifiers:
367941
Local pid:
pubs:367941
Language:
English
Keywords:

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