Intracluster Globular Clusters | Zendy

Michael J. West | Zendy; Patrick Côté | Zendy; C. Jones | Zendy; W. Forman | Zendy; Ronald O. Marzke | Zendy

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Intracluster Globular Clusters

Author(s) -

Michael J. West,

Patrick Côté,

C. Jones,

W. Forman,

Ronald O. Marzke

Publication year - 1995

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/309748

Subject(s) - globular cluster , astrophysics , physics , galaxy cluster , elliptical galaxy , astronomy , brightest cluster galaxy , dwarf galaxy , galaxy

Globular cluster populations of supergiant elliptical galaxies are known tovary widely, from extremely populous systems like that of UGC 9799, thecentrally dominant galaxy in Abell 2052, to globular-cluster-poor galaxies suchas NGC 5629 in Abell 2666. Here we propose that these variations point stronglyto the existence of a population of globular clusters that are not bound toindividual galaxies, but rather move freely throughout the cores of clusters ofgalaxies. Such intracluster globular clusters may have originated as tidallystripped debris from galaxy interactions and mergers, or alternatively they mayhave formed in situ in some scenarios of globular cluster formation.Comment: 9 pages, uuencoded compressed postscript. Accepted for publication in the Astrophysical Journal Letter

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