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Tidal Tails of the Nearest Open Clusters

Published online by Cambridge University Press:  01 September 2007

Yaroslav Chumak  and
Alexey Rastorguev
Yaroslav Chumak
Affiliation:
Sternberg Astronomical Institute, Universitetskiy prospect 13, Moscow, 119992, Russia email: chyo@mail.ru
Alexey Rastorguev
Affiliation:
Department of Physics, Moscow State University, GSP-2, Leninskiye Gory, Moscow, 119992, Russia email: rastor@sai.msu.ru
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Abstract

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We show that an extended population of stars escaping an evolved cluster and moving along its galactic orbit forms at the final phases of its dynamical evolution. Here we present some results of the numerical simulations for nearest open clusters: Hyades, Pleiades, Praesepe, Alpha Persei, Coma, IC 2391, and IC 2602. We calculated the models of the stellar tails for nearest open clusters and estimated some parameters: sizes, densities, locations relative to the solar neighborhood. Stars of the nearest tails can be observed as moving clusters.

Keywords

open clusters and associations: generalmethods: n-body simulations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S246: Dynamical Evolution of Dense Stellar Systems , September 2007 , pp. 107 - 108
Copyright
Copyright © International Astronomical Union 2008

References

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Chumak, Ya. O. & Rastorguev, A. S. 2006, Astron. Lett. 32, 3, 157Google Scholar
Chumak, Ya. O. & Rastorguev, A. S. 2006, Astron. Lett. 32, 7, 446Google Scholar
Nordstrom, B., et al. 2004, A & A 419, 989CrossRefGoogle Scholar