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Milky Way Gas Dynamics

Englmaier, Peter ; Gerhard, Ortwin

In: Celestial Mechanics and Dynamical Astronomy, 2006, vol. 94, no. 4, p. 369-379

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    Title
    • Milky Way Gas Dynamics
    Author
    • Englmaier, Peter. Departement für Physik und Astronomie, Astronomisches Institut, Universität Basel, Venusstr. 7, 4102, Binningen, Switzerland
    • Gerhard, Ortwin. Max-Planck-Institut für Extraterrestrische Physik, 85748, Giessenbachstrasse, Garching bei München, Germany
    Document Type
    • Postprint
    Language
    • English
    Published in
    • Celestial Mechanics and Dynamical Astronomy, 2006, vol. 94, no. 4, p. 369-379. Kluwer Academic Publishers
    Other Version
    OAI-PMH Identifier
    • oai:doc.rero.ch:317238
    Summary
    The Milky Way is made up of a central bar, a disk with embedded spiral arms, and a dark matter halo. Observational and theoretical constraints for the characteristic parameters of these components will be presented, with emphasis on the constraints from the dynamics of the Milky Way gas. In particular, the fraction of dark matter inside the solar radius, the location of the main resonances, and the evidence for multiple pattern speeds will be discussed