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Distribution functions for the Milky Way

Abstract:

Analytic distribution functions (DFs) for the Galactic disc are discussed. The DFs depend on action variables and their predictions for observable quantities are explored under the assumption that the motion perpendicular to the Galactic plane is adiabatically invariant during motion within the plane. A promising family of DFs is defined that has several adjustable parameters. A standard DF is identified by adjusting these parameters to optimize fits to the stellar density in the column above...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Physics - Theoretical Physics
Publisher:
Wiley-Blackwell Publisher's website
Journal:
Monthly Notices of the Royal Astronomical Society Journal website
Volume:
401
Issue:
4
Pages:
2318-2330
Publication date:
2010-02-05
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:ef1f22d5-99c6-4a78-a7eb-b161f82cfaf0
Local pid:
ora:5241

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