Galaxy clusters
type: Concept
narrower: Abell clusters

Abell clusters
type: Concept
contributor: AAS Frey.Katie
modified: 2020-10-26T18:30:02.022Z
modified: 2020-10-26T18:29:41.488Z
broader: Galaxy clusters
definition: Galaxy clusters listed in the Abell catalog, which is a catalog of 4073 rich galaxy clusters grouped by constellation and by catalog number. Published first in 1958, it contained the clusters visible from the northern hemisphere. A supplement for the southern hemisphere survey was published in 1988.