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The Effect of Stellar Mass on Kinematical Age Determination
Published online by Cambridge University Press: 12 April 2016
Extract
It is believed that kinematical characteristics of a group of stars, as the velocity dispersion or the lag in rotation, change systematically with time. This kinematical evolution is widely used for the determination of stellar ages. In particular, velocity dispersion should increase with time owing to irregular galactic force field. A classical formula for the increase of stellar velocity v with the age τ
- Type
- Part IV: Kinematics and Dynamical Evolution of the Galaxy
- Information
- International Astronomical Union Colloquium , Volume 45: Chemical and Dynamical Evolution of our Galaxy , September 1977 , pp. 283 - 287
- Copyright
- Copyright © Geneva Observatory 1977