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The rotation curve and the density model of the Milky Way

Published online by Cambridge University Press:  17 July 2013

Oleksiy Golubov  and
Andreas Just
Oleksiy Golubov
Affiliation:
Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstraße 12-14, 69120 Heidelberg, Germany, email: golubov@ari.uni-heidelberg.de
Andreas Just
Affiliation:
Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstraße 12-14, 69120 Heidelberg, Germany, email: golubov@ari.uni-heidelberg.de
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Abstract

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We study the asymmetric drift in the Milky Way with the aid of the RAVE data. Then we apply the deduced asymmetric drift correction to the SEGUE data and reconstruct the behaviour of the rotation curve of the Milky Way in the extended solar neighbourhood. The rotation curve appears to be essentially flat. We supplement our data by tangent point measurements of the inner rotation curve and fit it by a density model of the Milky Way.

Keywords

Galaxy: kinematics and dynamicsGalaxy: solar neighborhood
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S295: The intriguing life of massive galaxies , August 2012 , pp. 231
Copyright
Copyright © International Astronomical Union 2013 

References

Golubov, O. & Just, A. 2013, in: Wong, T. & Ott, J. (eds.), Molecular Gas, Dust, and Star Formation in Galaxies, Proceedings of IAU Symposium No. 292 (Cambridge: Cambridge University Press)Google Scholar
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Zwitter, T., Matijevič, G., Breddels, M. A., et al. 2010, A&A, 522, 54Google Scholar