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The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies. [ 2 ] [ 3 ] Along with the Leo Cluster (Abell 1367), it is one of the two major clusters comprising the Coma Supercluster . [ 8 ]
The Coma Supercluster (SCl 117) is a nearby supercluster of galaxies that includes the Coma Cluster (Abell 1656) and the Leo Cluster (Abell 1367). Located 300 million light-years from Earth in the constellation Coma Berenices , [ 2 ] it is in the center of the Great Wall and a part of the Coma Filament . [ 3 ]
IC 4051 is a large elliptical galaxy [8] in the northern constellation of Coma Berenices. It was discovered by the French astronomer Guillaume Bigourdan on April 12, 1891. [9] This object is located 14′ east of the core of the large Coma Cluster of galaxies, [5] [10] at a distance of 330 million light-years (100 Mpc) from the Milky Way. [4]
The Great Wall includes clusters Hercules, Coma and Leo on the right of this view of the local universe. It was discovered in 1989 by Margaret Geller and John Huchra based on redshift survey data from the CfA Redshift Survey. [1]
This was the first noted cluster of "nebulae" that would become galaxies. The first redshifts to galaxies in the cluster were measured in the 1910s. Galaxies were not identified as such until the 1920s. The distance to the Virgo Cluster would have to wait until the 1930s. [21] Mly represents millions of light-years, a measure of distance.
NGC 4889 lies at the center of the component A of the Coma Cluster, a giant cluster of 2,000 galaxies which it shares with NGC 4874, although NGC 4889 is sometimes referred as the cluster center, and it has been called by its other designation A1656-BCG. The total mass of the cluster is estimated to be on the order of 4 × 10 15 M ☉.
Dragonfly 44 is an ultra diffuse galaxy in the Coma Cluster. [1] [3] [2] [4] This galaxy is well-known because observations of the velocity dispersion in 2016 suggested a mass of about one trillion solar masses, about the same as the Milky Way.
NGC 4911 is a disturbed, warped spiral galaxy with a bright prominent central starburst ring and located deep within the Coma Cluster of galaxies, which lies some 300 million light years away in the northern constellation Coma Berenices. [5]