Measures of luminous and dark matter in galaxies across time

Jonathan Freundlich, Gauri Sharma, Sabine Thater, Mousumi Das, Benoit Famaey, Katherine Freese, Marie Korsaga, Julien Lavalle, Chung Pei Ma, Moses Mogotsi, Cristina Popescu, Francesca Rizzo, Laura V. Sales, Miguel A. Sanchez-Conde, Glenn van de Ven, Hongsheng Zhao, Alice Zocchi

Veröffentlichungen: Beitrag in FachzeitschriftArtikelPeer Reviewed

Abstract

Dark matter is one of the pillars of the current standard model of structure formation: it is assumed to constitute most of the matter in the Universe. However, it can so far only be probed indirectly through its gravitational effects, and its nature remains elusive. In this focus meeting, we discussed different methods used to estimate galaxies' visible and dark matter masses in the nearby and distant Universe. We reviewed successes of the standard model relying on cold dark matter, confronted observations with simulations, and highlighted inconsistencies between the two. We discussed how robust mass measurements can help plan, perform, and refine particle dark matter searches. We further exchanged about alternatives to cold dark matter, such as warm, self-interacting, and fuzzy dark matter, as well as modified gravity. Finally, we discussed prospects and strategies that could be implemented to reveal the nature of this crucial component of the Universe.
OriginalspracheEnglisch
Seitenumfang12
FachzeitschriftIAU General Assembly Meeting
PublikationsstatusVeröffentlicht - 1 Nov. 2024

ÖFOS 2012

  • 103004 Astrophysik
  • 103003 Astronomie
  • 103044 Kosmologie

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