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Stellar Kinematics from Hipparcos Proper Motions

Published online by Cambridge University Press:  12 April 2016

Zi Zhu  and
Wenjing Jin
Zi Zhu
Affiliation:
Shaanxi Astronomical Observatory, P.O. Box 18, Lintong, China
Wenjing Jin
Affiliation:
Shanghai Astronomical Observatory, Shanghai, China

Abstract

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From Hipparcos proper motions, we have analyzed the local kinematics of the Milky Way from the young 0-B5 stars, classical Cepheids, and the late-type K-M giants. Comparing the derived results, the kinematical discrepancies between each subset of stars have been analyzed, and the possible reasons for the kinematical differences have been discussed.

Type
Section 1. Celestial Reference System and Frame
Information
International Astronomical Union Colloquium , Volume 180: Towards Models and Constants for Sub-Microarcsecond Astrometry , March 2000 , pp. 110 - 114
Copyright
Copyright © US Naval Observatory 2000

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