An Analysis of Local Milky-Way Kinematics Based on Proper-Motion and Line-of-Sight Velocity ARIHIP Data

Details An Analysis of Local Milky-Way Kinematics Based on Proper-Motion and Line-of-Sight Velocity ARIHIP Data An Analysis of Local Milky-Way Kinematics Based on Proper-Motion and Line-of-Sight Velocity ARIHIP Data

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..938..222v&link_type=abstract

SPECTRAL LINE SHAPES IN ASTROPHYSICS: VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA). AIP Conference

Astronomy and Astrophysics

Astrophysics

Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation, Stellar Dynamics And Kinematics, Proper Motions And Radial Velocities, Space Motions

Scientific paper

A rigorous selection of ARIHIP stars is done where, among others, only the stars having line-of-sight velocity are taken into account. In this way a sample of 4614 stars is obtained. It is studied kinematically to find that the velocity dispersion appears to be dependent of both colour index and limiting distance for a group of stars. In the latter case the ratio of the velocity-dispersion components is affected.

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