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Constraining the Milky Way non-axisymmetries with Gaia

Published online by Cambridge University Press:  14 May 2020

B. Famaey
Affiliation:
Université de Strasbourg, CNRS UMR 7550, Observatoire astronomique de Strasbourg email: benoit.famaey@astro.unistra.fr
G. Monari
Affiliation:
Université de Strasbourg, CNRS UMR 7550, Observatoire astronomique de Strasbourg email: benoit.famaey@astro.unistra.fr
A. Siebert
Affiliation:
Université de Strasbourg, CNRS UMR 7550, Observatoire astronomique de Strasbourg email: benoit.famaey@astro.unistra.fr
O. Bienaymé
Affiliation:
Université de Strasbourg, CNRS UMR 7550, Observatoire astronomique de Strasbourg email: benoit.famaey@astro.unistra.fr
R. Ibata
Affiliation:
Université de Strasbourg, CNRS UMR 7550, Observatoire astronomique de Strasbourg email: benoit.famaey@astro.unistra.fr
C. Wegg
Affiliation:
Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange
O. Gerhard
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, Garching
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Abstract

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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.

Type
Contributed Papers
Copyright
© International Astronomical Union 2020

References

Hunt, J., Bub, M., Bovy, J., Mackereth, T., Trick, W., & Kawata, D. 2019, arXiv:1904.10968Google Scholar
Monari, G., Famaey, B., Fouvry, J.-B., & Binney, J. 2017, MNRAS, 471, 4314CrossRefGoogle Scholar
Monari, G., Famaey, B., Siebert, A., Wegg, C., & Gerhard, O. 2019a, A&A, 626, A41Google Scholar
Monari, G., Famaey, B., Siebert, A., Bienaymé, O., Ibata, R., Wegg, C., & Gerhard, O. 2019b, arXiv:1908.01318Google Scholar
Portail, M., Gerhard, O., Wegg, C., & Ness, M. 2017, MNRAS, 465, 162110.1093/mnras/stw2819CrossRefGoogle Scholar
Trick, W., Coronado, J., & Rix, H.-W 2019, MNRAS, 484, 3291CrossRefGoogle Scholar
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