2007A&A...474..783D


Query : 2007A&A...474..783D

2007A&A...474..783D - Astronomy and Astrophysics, volume 474, 783-791 (2007/11-2)

The main galaxy groups from the SDSS Data Release 5.

DENG X.-F., HE J.-Z., JIANG P., LUO C.-H. and WU P.

Abstract (from CDS):

We investigate the correlations between galaxy properties and environment. From the main galaxy sample of the SDSS Data Release 5, we have extracted 11163 groups at the linking length R0=0.2x({bar}n)–1/3=1.97Mpc by the three-dimensional friends-of-friends (FOF) algorithm, where n is the mean galaxy density, and compare basic properties of member galaxies of main galaxy groups with those of the main galaxy sample and isolated galaxies in each redshift bin. The luminosities and sizes of galaxies are almost independent of environment, but morphologies and colors are correlated with environment-especially galaxy morphologies.

Abstract Copyright:

Journal keyword(s): galaxies: fundamental parameters - cosmology: large-scale structure of Universe

VizieR on-line data: <Available at CDS (J/A+A/474/783): table2.dat>

Nomenclature: Table 2: [DHJ2007] NNNNN (Nos 1-11163).

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 0

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