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Statistics of initial velocities of open clusters

Published online by Cambridge University Press:  01 August 2006

J. R. D. Lépine ,
W. S. Dias  and
Yu. Mishurov
J. R. D. Lépine
Affiliation:
IAG, Universidade de São Paulo, Brazil; email: jacques@iagusp.usp.br
W. S. Dias
Affiliation:
UNIFEI – Universidade Federal de Itajubá, MG, Brazil
Yu. Mishurov
Affiliation:
Rostov State University, Russia
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Abstract

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Galactic clusters have well organized directions of their velocities at the instant of birth measured with respect to the local circular velocity. Preferential directions survive more than 100 Myrs. This can only be explained by star formation triggered by spiral arms.

Keywords

Open clustersstar formationspiral arms
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S237: Triggered Star Formation in a Turbulent ISM , August 2006 , pp. 438
Copyright
Copyright © International Astronomical Union 2007

References

Dias, W.S. & Lepine, J.R.D. 2005, ApJ 629, 825CrossRefGoogle Scholar