Constraining the Milky Way non-axisymmetries with Gaia

The unprecedented amount and accuracy of kinematic data from the second release of the Gaia mission have started revolutionizing our understanding of the dynamics of the Milky Way disk. The detailed stellar velocity field in the Galactic disk should allow us to constrain with unprecedented precision...

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Bibliographic Details
Published in:Proceedings of the International Astronomical Union 2019-06, Vol.14 (S353), p.61-64
Main Authors: Famaey, B., Monari, G., Siebert, A., Bienaymé, O., Ibata, R., Wegg, C., Gerhard, O.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics
Gaia Mission
Galactic disk
Milky Way
Physics
Velocity distribution
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Summary:The unprecedented amount and accuracy of kinematic data from the second release of the Gaia mission have started revolutionizing our understanding of the dynamics of the Milky Way disk. The detailed stellar velocity field in the Galactic disk should allow us to constrain with unprecedented precision the parameters of the non-axisymmetric modes of the disk. We present here the status of our current modelling efforts in this area, and their implication on the dynamics of the Galactic bar in particular.
ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921319008536