The HVS is moving at 3000 km/s towards the dominant system, and is believed to be merging with the Perseus Cluster.

The constellation also gives its name to the Perseus Cluster (Abell 426), a massive galaxy cluster located 250 million light-years from Earth.

Sound waves from violent activity around a super massive black hole were observed in the Perseus Cluster (2003).

The Perseus Cluster (Abell 426) is a cluster of galaxies in the constellation Perseus.

Per X-1 is the galaxy cluster at 4U 0316+41 designated the Perseus Cluster, Abell 426, and NGC 1275.

The Perseus Cluster is too far away for telescopes to resolve individual stars and measure their motions.

Its host is the elliptical galaxy NGC 1265, a member of the Perseus Cluster.

This is considerably higher than the Perseus Cluster, where stars are formed around 20 times slower, or the one per year rate of star formation in our own galaxy.

Cl.: Perseus Cluster.

He made the first maps of the radio emission from the Andromeda Galaxy and the Perseus Cluster, and measured the properties of many active galaxies.