Dynamical properties of 15 nearby galaxy groups (Brough+, 2006)

Details Dynamical properties of 15 nearby galaxy groups (Brough+, 2006) Dynamical properties of 15 nearby galaxy groups (Brough+, 2006)

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..73701223b&link_type=abstract

VizieR On-line Data Catalog: J/MNRAS/370/1223. Originally published in: 2006MNRAS.370.1223B

Physics

Clusters: Galaxy, Galaxies: Nearby, Radial Velocities, Velocity Dispersion

Scientific paper

Here, we present an investigation of the properties of 15 nearby galaxy groups and their constituent galaxies. The groups are selected from the Group Evolution Multiwavelength Study (GEMS) and all have X-ray as well as wide-field neutral hydrogen (HI) observations. Group membership is determined using a friends-of-friends algorithm on the positions and velocities from the 6-degree Field Galaxy Survey and NASA/IPAC Extragalactic Database. For each group we derive their physical properties using this membership, including: velocity dispersions (sigmav), virial masses (MV), total K-band luminosities [LK(Tot)] and early-type fractions (fearly) and present these data for the individual groups.
(2 data files).

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