Spatial kinematics of Brightest Cluster Galaxies and their close companions from Integral Field Unit spectroscopy

Details Spatial kinematics of Brightest Cluster Galaxies and their close companions from Integral Field Unit spectroscopy Spatial kinematics of Brightest Cluster Galaxies and their close companions from Integral Field Unit spectroscopy

2011-04-07

arxiv.org/abs/1104.1239v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

5 pages. Accepted for publication in MNRAS Letters

Scientific paper

We present Integral Field Unit (IFU) spectroscopy of four brightest cluster galaxies (BCGs) at z~0.1. Three of the BCGs have close companions within a projected radius of 20 kpc and one has no companion within that radius. We calculate the dynamical masses of the BCGs and their companions to be 1.4x10^11

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