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Intracluster globular clusters

The Fornax cluster is a galaxy cluster located in the Fornax constellation known to have intracluster globular clusters.

Intracluster globular clusters (also known as Intracluster GCs[1] or shortened to ICGCs[2]) are a type of globular cluster (GC) that are not bounded by the gravity of individual galaxies. Because they are unbounded by galaxies, they roam freely throughout galaxy clusters.[3] Theses types of globular clusters originate as debris that were tidally stripped from interacting galaxies or galaxy mergers, often stripped off from low-mass dwarf galaxies.[4] They may alternatively form as an already unbounded globular clusters (in situ).[3][5]

References

  1. ^ Yahagi, Hideki; Bekki, Kenji (November 2005). "Formation of intracluster globular clusters". Monthly Notices of the Royal Astronomical Society. 364 (1): L86 – L90. arXiv:astro-ph/0509744. Bibcode:2005MNRAS.364L..86Y. doi:10.1111/j.1745-3933.2005.00111.x. ISSN 0035-8711.
  2. ^ Kluge, M.; et al. (2025). "Euclid: Early Release Observations – the intracluster light and intracluster globular clusters of the Perseus cluster". Astronomy & Astrophysics. 697: A13. arXiv:2405.13503. Bibcode:2025A&A...697A..13K. doi:10.1051/0004-6361/202450772.
  3. ^ a b West, Michael J.; Cote, Patrick; Jones, Christine; Forman, William; Marzke, Rondald O. (November 1995). "Intracluster Globular Clusters". The Astrophysical Journal. 453 (2): L77. arXiv:astro-ph/9508141. Bibcode:1995ApJ...453L..77W. doi:10.1086/309748. ISSN 0004-637X.
  4. ^ Lee, Myung Gyoon; Park, Hong Soo; Hwang, Ho Seong (April 2010). "Detection of a Large-Scale Structure of Intracluster Globular Clusters in the Virgo Cluster". Science. 328 (5976): 334. arXiv:1003.2499. Bibcode:2010Sci...328..334L. doi:10.1126/science.1186496. ISSN 0036-8075.
  5. ^ Bassino, L. P.; Cellone, S. A.; Forte, J. C.; Dirsch, B. (2003-02-01). "Globular cluster candidates within the Fornax Cluster: Intracluster globulars?". Astronomy & Astrophysics. 399 (2): 489–496. arXiv:astro-ph/0212532. Bibcode:2003A&A...399..489B. doi:10.1051/0004-6361:20021810. ISSN 0004-6361.
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