Compact groups of galaxies (CGs) from the SDSS Data Release 6

• Authors: Xin-Fa Deng , Ji-Zhou He , Xin-sheng Ma , Peng Jiang , Xiao-Xun Tang
• Languages of publication: EN

Abstracts

EN

From the volume-limited MAIN galaxy sample of the SDSS Data Release 6 (SDSS6), we have identified 1298 compact groups of galaxies (CGs) at the neighbourhood radius of R = 1.2 Mpc by three-dimensional cluster analysis. In order to compile the CG catalog, we also estimated velocity dispersion, virial radius, virial mass and crossing time of CGs. In addition, our results show that properties of galaxies may not correlate with merging frequencies.

Keywords

EN

galaxy; fundamental parameters; large scale

• Journal: Open Physics
• Year: 2008
• Volume: 6
• Issue: 2
• Pages: 185-193

Dates

published

1 - 6 - 2008

online

26 - 3 - 2008

Contributors

author

Xin-Fa Deng

• School of Science, Nanchang University, Jiangxi, China, 330031,

author

Ji-Zhou He

• School of Science, Nanchang University, Jiangxi, China, 330031

author

Xin-sheng Ma

• School of Science, Nanchang University, Jiangxi, China, 330031

author

Peng Jiang

• School of Science, Nanchang University, Jiangxi, China, 330031

author

Xiao-Xun Tang

• School of Science, Nanchang University, Jiangxi, China, 330031

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Identifiers

DOI

10.2478/s11534-008-0037-x