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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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Gorde:
Xehetasun bibliografikoak
Egile Nagusiak: Xingyu Zhang, Hai-Bo Yu, Daneng Yang, Ethan O. Nadler
Formatua: Artigo
Hizkuntza:Inglês
Argitaratua: IOP Publishing 2025-01-01
Saila:The Astrophysical Journal Letters
Gaiak:
Sarrera elektronikoa:https://doi.org/10.3847/2041-8213/ada02b
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