Can bars erode cuspy halos?
نویسندگان
چکیده
منابع مشابه
Bars in Cuspy Dark Halos
We examine the bar instability in models with an exponential disk and a cuspy NFW-like dark matter (DM) halo inspired by cosmological simulations. Bar evolution is studied as a function of numerical resolution in a sequence of models spanning 10 DM particles including a multi-mass model with an effective resolution of 10. The goal is to find convergence in dynamical behaviour. We characterize t...
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The microlensing optical depth to Baade's Window constrains the minimum total mass in baryonic matter within the Solar circle to be greater than ∼ 3.9×10 10 M ⊙ , assuming the inner Galaxy is barred with viewing angle ∼ 20 •. From the kinematics of solar neighbourhood stars, the local surface density of dark matter is ∼ 30 ± 15 M ⊙ pc −2. We construct cuspy haloes normalised to the local dark m...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2019
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921319008743