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The Structure of Dark Matter Halos in Dwarf Galaxies

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Burkert, A.·1996·Symposium - International Astronomical Union

Abstract

Some dwarf galaxies have HI rotation curves that are completely dominated by a surrounding dark matter (DM) halo (e.g. Carignan & Freeman 1988). These objects represent ideal candidates for an investigation of the density structure of low-mass DM halos as the uncertainties resulting from the subtraction of the visible component are small, even in the innermost regions. Flores & Primack (1994) and Moore (1994) compared the observed DM rotation curves with the profiles, predicted from cosmological cold dark matter (CDM) calculations. They found an interesting discrepancy: whereas the calculations lead to a DM density distribution which diverges as ρ ∼ r−1 in the inner parts, the observed rotation curves indicate shallow DM cores which can be described by an isothermal density profile with finite central density.

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Metadata

Authors
Burkert, A.
Venue
Symposium - International Astronomical Union
Published
1996
Volume
171
Pages
175-178
ISSN
0074-1809 (ISSN-L)
OpenAlex
W3148503721
Cited by
176
References
0
FWCI
0.00
Type
conference paper
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The Structure of Dark Matter Halos in Dwarf Galaxies. https://app.cochat.ai/papers/10.1017/s0074180900232324
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Burkert, A. (1996). The Structure of Dark Matter Halos in Dwarf Galaxies. Symposium - International Astronomical Union. https://doi.org/10.1017/s0074180900232324

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