Results 51 to 60 of about 1,252 (188)

Dark Matter Distribution in Milky Way analog Galaxies

The Astrophysical Journal
Our current understanding of how dark matter (DM) is distributed within the Milky Way (MW) halo, particularly in the solar neighborhood, is based on either careful studies of the local stellar orbits, model assumptions on the global shape of the MW halo,
Natanael G. de Isídio, K. Menéndez-Delmestre, T. S. Gonçalves, M. Grossi, D. C. Rodrigues, N. Garavito-Camargo, A. Araujo-Carvalho, P. P. B. Beaklini, Y. Cavalcante-Coelho, A. Cortesi, L. H. Quiroga-Nuñez, T. Randriamampandry   +11 more
doaj   +1 more source

Galaxy–dark matter connection of photometric galaxies from the HSC-SSP Survey: galaxy–galaxy lensing and the halo model [PDF]

, 2023
Navin Chaurasiya, Surhud More, Shogo Ishikawa, Shogo Masaki, Daichi Kashino, Teppei Okumura   +5 more
openalex   +1 more source

Analysis of Galaxies at the Extremes: Failed Galaxy Progenitors in the MAGNETICUM Simulations

The Open Journal of Astrophysics
There is increasing observational evidence for a “failed galaxy” formation pathway for ultra-diffuse galaxies (UDGs) at low redshift however they currently lack simulated counterparts.
Jonah S. Gannon, Lucas C. Kimmig, Duncan A. Forbes, Jean P. Brodie, Lucas M. Valenzuela, Rhea-Silvia Remus, Joel L. Pfeffer, Klaus Dolag   +7 more
doaj   +1 more source

Tidal Suppression of Fuzzy Dark Matter Heating in Milky Way Satellite Galaxies

The Astrophysical Journal Letters
Many previous studies have imposed stringent constraints on the particle mass of fuzzy dark matter (FDM) by analyzing observations of Galactic satellite galaxies, which show no significant evidence of the heating effect predicted by FDM.
Yu-Ming Yang, Zhao-Chen Zhang, Xiao-Jun Bi, Peng-Fei Yin   +3 more
doaj   +1 more source

Probing the Dark Matter Halos of External Galaxies with Stellar Streams

The Astrophysical Journal
Stellar streams have proven to be powerful tools for measuring the Milky Way’s gravitational potential and hence its dark matter (DM) halo. In the coming years, the Vera Rubin Observatory, Euclid, ARRAKIHS, and the Nancy Grace Roman Space Telescope will ...
Madison Walder, Denis Erkal, Michelle Collins, David Martínez-Delgado   +3 more
doaj   +1 more source

The detailed structure and the onset of galaxy formation in low-mass gaseous dark matter haloes [PDF]

, 2020
Alejandro Benítez-Llambay, Carlos S. Frenk   +1 more
openalex   +1 more source

Line-of-sight Bias in Dark Matter Inferences from Galaxy Cluster Mergers

The Astrophysical Journal
In collisions of galaxy clusters, the lack of displacement between dark matter and galaxies suggests that the dark matter scattering depth is small. This yields an upper limit on the dark matter cross section if the dark matter column density is known ...
David Wittman, Scott Adler, Rodrigo Stancioli   +2 more
doaj   +1 more source

Comment on “Modeling galaxy halos using dark matter with pressure” [PDF]

, 2009
Kung-Yi Su, Pisin Chen
openalex   +1 more source

Dwarf stellar haloes: a powerful probe of small-scale galaxy formation and the nature of dark matter [PDF]

, 2021
Alis J. Deason, Sownak Bose, Azadeh Fattahi, N. C. Amorisco, Wojciech A. Hellwing, Carlos S. Frenk   +5 more
openalex   +1 more source

Leaving No Branches Behind: Predicting Baryonic Properties of Galaxies from Merger Trees

The Astrophysical Journal
Galaxies play a key role in our endeavor to understand how structure formation proceeds in the Universe. For any precision study of cosmology or galaxy formation, there is a strong demand for huge sets of realistic mock galaxy catalogs, spanning ...
Chen-Yu Chuang, Christian Kragh Jespersen, Yen-Ting Lin, Shirley Ho, Shy Genel   +4 more
doaj   +1 more source