EPJ Web of Conferences
Volume 19, 2012Assembling the Puzzle of the Milky Way
|Number of page(s)||5|
|Section||Dark Matter Question: Milky Way Meets Lambda-CDM Cosmology|
|Published online||07 February 2012|
Simulating the Milky Way is hard
1 Max-Planck-Institut für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany
2 Grupo de Astrofísica, Departamento de Fisica Teorica, Modulo C-15, Universidad Autónoma de Madrid, 28049 Cantoblanco, Spain
3 Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE, UK
a e-mail: firstname.lastname@example.org
The formation of the Milky Way in the currently accepted concordance cosmology presents a couple of pitfalls. Mostly, these involve the much reported overcooling problem. If gas is allowed to cool, it will condense into massive central concentrations unlike any observed in real galaxies. These concentrations are characterized by a high central peak in the rotation curve and a rise in the surface brightness profile much steeper than the exponentially increasing disk. Such galaxies may contain no disk component and form many more stars than predicted by abundance matching studies.
© Owned by the authors, published by EDP Sciences, 2012
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