The Hyades cluster-supercluster connection - Evidence for a local concentration of dark matter

Details The Hyades cluster-supercluster connection - Evidence for a local concentration of dark matter The Hyades cluster-supercluster connection - Evidence for a local concentration of dark matter

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...410...90c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 410, no. 1, p. 90-98.

Statistics

Computation

6

Dark Matter, Open Clusters, Stellar Evolution, Computational Astrophysics, Molecular Clouds, Star Distribution

Scientific paper

Stars 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.

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