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Remarks on local structure and kinematics

Published online by Cambridge University Press:  14 August 2015

A. Blaauw
A. Blaauw*
Affiliation:
Kapteyn Laboratory, Groningen, The Netherlands

Abstract

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Attention is drawn to a few aspects of the state of motion of the local population which may become of importance for the study of local spiral structure. Uncertainties in the present knowledge of the local standard of rest are discussed, (a) with regard to the possible outward or inward motion with respect to the galactic centre, and (b) with regard to the component in the direction of circular motion. We furthermore draw attention to the quiet state of motion of the local interstellar gas and to the contrasting fairly high group velocities among the recently formed OB associations.

Type
Part II/Observations of Spiral Structure in Our Galaxy
Information
Symposium - International Astronomical Union , Volume 38: The Spiral Structure of our Galaxy , 1970 , pp. 199 - 204
Copyright
Copyright © Reidel 1970 

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