Which galaxy serves as the center for the subclump designated Virgo B?
Answer
M49
The subclump known as Virgo B is specifically identified by its central concentration around the galaxy M49. Although the cluster features several distinct gravitational centers, M49 holds the unique distinction within this grouping as being the brightest galaxy observed overall within the entire Virgo Cluster. This contrasts with Virgo A, which is centered on M87, the most massive galaxy in the cluster, illustrating how different criteria (brightness versus mass dominance) define the various substructures.
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