The GD-1 Stellar Stream Perturber as a Core-collapsed Self-interacting Dark Matter Halo
The GD-1 stellar stream exhibits spur and gap structures that may result from a close encounter with a dense substructure. When interpreted as a dark matter subhalo, the perturber is denser than predicted in the standard cold dark matter (CDM) model. In self-interacting dark matter (SIDM), however,...
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| Principais autores: | , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
IOP Publishing
2025-01-01
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| Serier: | The Astrophysical Journal Letters |
| Fag: | |
| Online adgang: | https://doi.org/10.3847/2041-8213/ada02b |
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