The intrinsic shape of galaxy bulges
arXiv:1502.00265 · doi:10.1007/978-3-319-19378-6_2
Abstract
The knowledge of the intrinsic three-dimensional (3D) structure of galaxy components provides crucial information about the physical processes driving their formation and evolution. In this paper I discuss the main developments and results in the quest to better understand the 3D shape of galaxy bulges. I start by establishing the basic geometrical description of the problem. Our understanding of the intrinsic shape of elliptical galaxies and galaxy discs is then presented in a historical context, in order to place the role that the 3D structure of bulges play in the broader picture of galaxy evolution. Our current view on the 3D shape of the Milky Way bulge and future prospects in the field are also depicted.
Invited Review to appear in "Galactic Bulges" Editors: Laurikainen E., Peletier R., Gadotti D. Springer Publishing. 24 pages, 7 figures
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- Deconstructing double-barred galaxies in 2D and 3D. I. Classical nature of the dominant bulges
- Starburst galaxies in the COSMOS field: clumpy star-formation at redshift 0 < z < 0.5
- Prospects for Recovering Galaxy Intrinsic Shapes from Projected Quantities
- The intrinsic shape of bulges in the CALIFA survey
- The Outskirt Stellar Mass of Low-Redshift Massive Galaxies is an Excellent Halo Mass Proxy in Illustris/IllustrisTNG Simulations