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The Hyades cluster-supercluster connection - Evidence for a local concentration of dark matterStars that evaporate from the Hyades cluster will remain within a few hundred parsecs of the cluster only if they are dynamically bound to a much more massive entity containing the cluster. A local mass enhancement of at least (5-10) x 10 exp 5 solar masses, with a radius of about 100 pc, can trap stars with an origin related to that of the Hyades cluster and explains the excess of stars with velocities near the Hyades velocity that constitutes the Hyades supercluster. Part of this mass enhancement can be in visible stars, but a substantial fraction is likely to be in the form of dark matter.
Document ID
19930057213
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Casertano, Stefano (NASA Headquarters Washington, DC United States)
Iben, Icko, Jr. (NASA Headquarters Washington, DC United States)
Shiels, Aaron (Illinois Univ. Urbana, United States)
Date Acquired
August 16, 2013
Publication Date
June 10, 1993
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 410
Issue: 1
ISSN: 0004-637X
Subject Category
ASTROPHYSICS
Funding Number(s)
CONTRACT_GRANT: NAGW-2945
CONTRACT_GRANT: NSF AST-91-13662
Distribution Limits
Public
Copyright
Other