Results 161 to 170 of about 617 (181)

Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn

Fujimoto S, Ouchi M, Kohno K, Valentino F, Giménez-Arteaga C, Brammer G, Furtak L, Kohandel M, Oguri M, Pallottini A, Richard J, Zitrin A, Bauer F, Boylan-Kolchin M, Dessauges-Zavadsky M, Egami E, Finkelstein S, Ma Z, Smail I, Watson D, Hutchison T, Rigby J, Welch B, Ao Y, Bradley L, Caminha G, Caputi K, Espada D, Endsley R, Fudamoto Y, González-López J, Hatsukade B, Koekemoer A, Kokorev V, Laporte N, Lee M, Magdis G, Ono Y, Rizzo F, Shibuya T, Shimasaku K, Sun F, Toft S, Umehata H, Wang T, Yajima H.   +45 more
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Galaxy halos and the nature of dark matter

AIP Conference Proceedings, 1995
One of the few observational facts that we know about dark matter is that within about one tenth of the virial radius, the dark halos of some galaxies have density profiles which fall with the radius as ρ(r)∝rn, where n≊0. Any successful dark matter candidate must be able to reproduce these observations.
Moore Ben
exaly   +2 more sources

Dark Matter in the Halo of the Galaxy

2002
We consider a self-gravitating noninteracting fermion gas at nonzero temperature as a model for the dark matter halo of the Galaxy. This fermion gas model is then shown to imply the existence of a supermassive compact dark object at the Galactic center.
Bilić, Neven, Tupper, Gary B., Viollier, Raoul D.   +2 more
openaire   +3 more sources

Structure and history of Dark Matter halos in galaxies and galaxy systems

International School of Physics “Enrico Fermi”, 2011
We investigate the structure and history of Dark Matter (DM) halos in galaxies and galaxy systems. Our theoretical framework is provided by the two-stage cosmogonical development of DM halos, and by the related “α-profiles”. The latter solve the Jeans equation for the self-gravitating DM equilibria, and yield the radial runs of the ...
Lapi, Andrea, CAVALIERE A.
openaire   +2 more sources

Giant dark matter halos of galaxies

Physics Letters A, 1995
Abstract An analysis of rotation curves of several spiral galaxies is presented. The giant halo dimensions and the effective moments of birth of these galaxies are determined.
A.V. Gurevich, V.A. Sirota, K.P. Zybin
openaire   +1 more source

The Dark Matter Haloes of Galaxies in Groups

2011
Master of Science (MSc)
openaire   +2 more sources

Dark Matter Halo of Our Galaxy

2001
The fascination and the challenge for the search for the constituents of dark matter stem from the connection it bears with astronomy, astrophysics and cosmology on the one hand and with nuclear and particle physics on the other. Dark matter particles are the only relicts that still servive to-day from epochs prior to the primordial helium synthesis ...
openaire   +1 more source

Truncation of galaxy dark matter halos in high density environments

Astronomy and Astrophysics, 2007
Harald Ebeling, Priyamvada Natarajan, Ian Smail   +2 more
exaly  

Mass-Discrepancy Acceleration Relation: A Natural Outcome of Galaxy Formation in Cold Dark Matter Halos

Physical Review Letters, 2017
Aaron Ludlow, Robert A Crain, Alejandro Benítez-Llambay   +2 more
exaly  

Dark Matter Halos as Particle Colliders: Unified Solution to Small-Scale Structure Puzzles from Dwarfs to Clusters

Physical Review Letters, 2016
Sean Tülin, Manoj Kaplinghat, Hai-Bo Yu   +2 more
exaly