Astr 222 Feb 9, 2005 

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Cluster properties

mass content of clusters

Asca X-ray spectra

M/L ratios of galaxy clusters

Abundance of Hot gas

Virial theorem

3-D space velocities

What's wrong?

Coma cluster velocities

Virial mass of the cluster

Mass estimates

Chandra X-ray satellite images:

Abell 2029

Rosat images

Fornax

Ram pressure stripping

Hickson compact group

Gravitational lensing 1 Lensing details