Feature velocities in disk galaxies

Details Feature velocities in disk galaxies Feature velocities in disk galaxies

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...285..801e&link_type=abstract

Astronomy and Astrophysics 285, 801-811 (1994)

Astronomy and Astrophysics

Astrophysics

1

Galaxies: Kinematics And Dynamics, Galaxies: Evolution, Methods: Data Analysis, Galaxies: Spiral

Scientific paper

Evolutionary aspects of patterns in galaxies are discussed with a starting point in numerical simulations. The meaning and existence of a varying pattern speed, here called feature velocity to distinguish it from the common use of the term, is investigated. The method for measuring pattern speeds by Tremaine & Weinberg (1984) is evaluated and a generalization of their method is presented.

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