The
Virgocentric flow (VCF) is the preferred movement of
Local Group galaxies towards the
Virgo cluster caused by its overwhelming
gravity, which separates
bound objects from the
Hubble flow of
cosmic expansion. The VCF can refer to the Local Group's movement towards the
Virgo Supercluster, since its center is considered synonymous with the Virgo cluster, but more tedious to ascertain due to its much larger volume. The excess velocity of Local Group galaxies towards, and with respect to, the Virgo Cluster are 100 to 400 km/s. This excess velocity is referred to as each galaxy's
peculiar velocity.