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Dark globular cluster

Observations with ESO's Very Large Telescope in Chile have discovered a new class of “dark” globular star clusters around this galaxy. In the image, the dark globulars are circled in red. Normal globulars are circled in blue, and globulars showing similar properties to dwarf galaxies are in green.

Dark globular cluster is a proposed type of globular star clusters that has an unusually high mass for the number of stars within it. Proposed in 2015 on the basis of observational data, dark globular clusters are believed to be populated by objects with significant dark matter components, such as central massive black holes.[1]

  1. ^ Taylor, Matthew; Puzia, Thomas; Gomez, Matias; Woodley, Kristin (17 March 2015). "Observational Evidence for a dark side to NGC5128's globular cluster system". The Astrophysical Journal. 805 (1): 65. arXiv:1503.04198. Bibcode:2015ApJ...805...65T. doi:10.1088/0004-637X/805/1/65. S2CID 55798156. 65.

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