Galactic kinematics near the sun from open clusters†

Details Galactic kinematics near the sun from open clusters† Galactic kinematics near the sun from open clusters†

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..248..502s&link_type=abstract

A Giant Step: from Milli- to Micro-arcsecond Astrometry, Proceedings of the International Astronomical Union, IAU Symposium, Vol

Astronomy and Astrophysics

Astronomy

Galaxy: Kinematics And Dynamics, Open Clusters And Associations: General

Scientific paper

A catalogue of open clusters is used to analyze the Galactic kinematics near the Sun. The Galactic open clusters, which are components of Galactic thin disk, were selected for our analysis. Based on kinematical data for around 270 Galactic open clusters, we found the Galactic rotation curve remains flat near the Sun. We also found Ve = 6.40±3.39 km s-1 inside the solar circle, which shows a weak trend of stars moving toward the Galactic anti-center.

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