The cluster's known recession velocity, quantified by its redshift ($z$), is approximately what value?

Answer

z u 0.023

The redshift measurement for the Coma Cluster, indicating its recession due to the universe's expansion, is approximately 0.023.

The cluster's known recession velocity, quantified by its redshift ($z$), is approximately what value?
Spaceastronomygalaxy clusterComa ClusterCoordinatesGalactic Coordinates