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Vertical velocity patterns in the Milky Way disc: RAVE-Gaia streaming motions

Published online by Cambridge University Press:  02 August 2018

I. Carrillo ,
I. Minchev ,
G. Kordopatis Open the ORCID record for G. Kordopatis [Opens in a new window] ,
M. Steinmetz  and
RAVE
I. Carrillo
Affiliation:
Leibniz Institut für Astrophysik Potsdam (AIP), An der Sterwarte 16, D-14482 Potsdam, Germany email: [email protected]
I. Minchev
Affiliation:
Leibniz Institut für Astrophysik Potsdam (AIP), An der Sterwarte 16, D-14482 Potsdam, Germany email: [email protected]
G. Kordopatis
Affiliation:
Leibniz Institut für Astrophysik Potsdam (AIP), An der Sterwarte 16, D-14482 Potsdam, Germany email: [email protected] Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange, Bd de l’Observatoire, CS 34229, 06304, Nice cedex 4, France
M. Steinmetz
Affiliation:
Leibniz Institut für Astrophysik Potsdam (AIP), An der Sterwarte 16, D-14482 Potsdam, Germany email: [email protected]
RAVE
Affiliation:
Leibniz Institut für Astrophysik Potsdam (AIP), An der Sterwarte 16, D-14482 Potsdam, Germany email: [email protected] Université Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange, Bd de l’Observatoire, CS 34229, 06304, Nice cedex 4, France
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Abstract

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Using data from the Radial Velocity Experiment (RAVE) and the Tycho- Gaia astrometric solution catalogue (TGAS), we study the vertical velocity (Vz) patterns in the Milky Way disc. We search in particular for variation in velocity with distance above and below the disc midplane. In contrast to previous suggestions of a breathing mode seen in RAVE data, our results support a combination of bending and breathing modes, likely generated by a combination of external or internal and external mechanisms.

Keywords

Galaxy: kinematics and dynamicsGalaxy: discGalaxy: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S334: Rediscovering our Galaxy , July 2017 , pp. 279 - 280
Copyright
Copyright © International Astronomical Union 2018 

References

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