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Distances and Kinematics of Classical Cepheids

Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 298)

Abstract

The Hipparcos Catalogue supplies high precise astrometric observations of stars. The measurements of trigonometric parallaxes for the classical Cepheids provides the best opportunity for reexamining the PL relation. Combining proper motions and radial velocities, we have studied the Cepheid kinematics on the basis of 3D-model. The results seem to show a slight contracting motion of the Galaxy in the solar neighborhood and a large galactic rotation was obtained.

Keywords

Galaxy: fundamental parameters Galaxy: kinematics and dynamics Galaxy: solar neighborhood Cepheids Astrometry 

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Copyright information

© Springer Science+Business Media Dordrecht 2003

Authors and Affiliations

  • Zi Zhu
    • 1
  1. 1.Astronomical DepartmentNanjing UniversityNanjingChina

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