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The Disk of the Galaxy

Published online by Cambridge University Press:  07 August 2017

K.C. Freeman
K.C. Freeman*
Affiliation:
Mount Stromlo and Siding Spring Observatories The Australian National University Canberra, Australia

Abstract

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In this review, I will concentrate on the observational aspects of the dynamical evolution of the disk population. First I will discuss some general properties of disks, such as their structure and kinematics and the thick disks. The next section is on the kinematical properties of the galactic disk near the sun, including some important new results on the age-velocity dispersion relation and the age-metallicity relation. Finally I will discuss some properties of the galactic thick disk. Two important questions, chemical gradients and dark matter in the disk, could not be included in this review.

Type
I. The Stellar Populations in the Milky Way
Information
Symposium - International Astronomical Union , Volume 149: The Stellar populations of Galaxies , 1992 , pp. 65 - 73
Copyright
Copyright © Kluwer 

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