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Astrophysics > Cosmology and Nongalactic Astrophysics

arXiv:1003.2499 (astro-ph)
[Submitted on 12 Mar 2010]

Title:Detection of a Large Scale Structure of Intracluster Globular Clusters in the Virgo Cluster

Authors:Myung Gyoon Lee (1), Hong Soo Park (1,3), Ho Seong Hwang (1,2) ((1) Seoul National Univ., (2) CEA, Laboratoire AIM, (3) Korea Astronomy and Space Science Institute)
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Abstract:Globular clusters are found usually in galaxies and they are an excellent tracer of dark matter. Long ago it was suggested that there may exist intracluster globular clusters (IGCs) bound to a galaxy cluster rather than to any single galaxy. Here we present a map showing the large scale distribution of globular clusters over the entire Virgo cluster. It shows that IGCs are found out to 5 million light years from the Virgo center, and that they are concentrated in several substructures much larger than galaxies. These objects might have been mostly stripped off from low-mass dwarf galaxies.
Comments: 18 pages, 6 figures, Accepted by Science (Science Express 11 mar 2010)
Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
Cite as: arXiv:1003.2499 [astro-ph.CO]
  (or arXiv:1003.2499v1 [astro-ph.CO] for this version)
  https://doi.org/10.48550/arXiv.1003.2499
Journal reference: Science 328, 334 (2010)
Related DOI: https://doi.org/10.1126/science.1186496

Submission history

From: Hong Soo Park [view email]
[v1] Fri, 12 Mar 2010 09:18:23 UTC (1,033 KB)
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