Ortwin Gerhard, Christopher Wegg
Published 2014-08-01Version 1
The Milky Way's bar dominates the orbits of stars and the flow of cold gas in the inner Galaxy, and is therefore of major importance for Milky Way dynamical studies in the Gaia era. Here we discuss the pronounced peanut shape of the Galactic bulge that has resulted from recent star count analysis, in particular from the VVV survey. We also discuss the question whether the Milky Way has an inner disky pseudo-bulge, and show preliminary evidence for a continuous transition in vertical scale-height from the peanut bulge-bar to the planar long bar.
Comments: Invited talk, 10pp, 4 figures. To be published in "Lessons from the Local Group - a conference in honour of David Block and Bruce Elmegreen", May 2014, eds. Freeman, K.C., Elmegreen, B.G., Block, D.L. and Woolway, M. (SPRINGER: NEW YORK)
Unifying boxy bulge and planar long bar in the Milky Way
Low-Velocity Streams in the Solar Neighborhood Caused by the Galactic Bar
Comments on the paper `Unifying Boxy Bulge and Planar Long Bar in the Milky Way' by Martinez-Valpuesta & Gerhard [arXiv:1105.0928]
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