Search Results - "Klypin, A."

Dark Matter Halos in the Standard Cosmological Model: Results from the Bolshoi Simulation by Klypin, Anatoly A, Trujillo-Gomez, Sebastian, Primack, Joel

“…Lambda Cold Dark Matter ( Delta *LCDM) is now the standard theory of structure formation in the universe. We present the first results from the new Bolshoi…”
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The Uchuu simulations: Data Release 1 and dark matter halo concentrations by Ishiyama, Tomoaki, Prada, Francisco, Klypin, Anatoly A, Sinha, Manodeep, Metcalf, R Benton, Jullo, Eric, Altieri, Bruno, Cora, Sofía A, Croton, Darren, de la Torre, Sylvain, Millán-Calero, David E, Oogi, Taira, Ruedas, José, Vega-Martínez, Cristian A

“…ABSTRACT We introduce the Uchuu suite of large high-resolution cosmological N-body simulations. The largest simulation, named Uchuu, consists of 2.1 trillion…”
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Response of Dark Matter Halos to Condensation of Baryons: Cosmological Simulations and Improved Adiabatic Contraction Model by Gnedin, Oleg Y, Kravtsov, Andrey V, Klypin, Anatoly A, Nagai, Daisuke

“…The cooling of gas in the centers of dark matter halos is expected to lead to a more concentrated dark matter distribution. The response of dark matter to the…”
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The Anisotropic Distribution of Galactic Satellites by Zentner, Andrew R, Kravtsov, Andrey V, Gnedin, Oleg Y, Klypin, Anatoly A

“…We present a study of the spatial distribution of dwarf satellites (or subhalos) in galactic dark matter halos using dissipationless cosmological simulations…”
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The Tumultuous Lives of Galactic Dwarfs and the Missing Satellites Problem by Kravtsov, Andrey V, Gnedin, Oleg Y, Klypin, Anatoly A

“…Hierarchical cold dark matter (CDM) models predict that Milky Way-sized halos contain several hundred dense low-mass dark matter satellites (the substructure),…”
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The MultiDark Database: Release of the Bolshoi and MultiDark cosmological simulations by Riebe, K., Partl, A. M., Enke, H., Forero-Romero, J., Gottlöber, S., Klypin, A., Lemson, G., Prada, F., Primack, J. R., Steinmetz, M., Turchaninov, V.

“…We present the online MultiDark Database – a Virtual Observatory‐oriented, relational database for hosting various cos‐mological simulations. The data is…”
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The Dark Side of the Halo Occupation Distribution by Kravtsov, Andrey V, Berlind, Andreas A, Wechsler, Risa H, Klypin, Anatoly A, Gottlöber, Stefan, Allgood, Brandon, Primack, Joel R

“…We analyze the halo occupation distribution (HOD) and two-point correlation function of galaxy-size dark matter halos using high-resolution dissipationless…”
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The velocity shear tensor: tracer of halo alignment by Libeskind, Noam I., Hoffman, Yehuda, Forero-Romero, Jaime, Gottlöber, Stefan, Knebe, Alexander, Steinmetz, Matthias, Klypin, Anatoly

“…The alignment of dark matter (DM) haloes and the surrounding large-scale structure (LSS) is examined in the context of the cosmic web. Halo spin, shape and the…”
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Resonances in barred galaxies by Ceverino, D., Klypin, A.

“…The inner parts of many spiral galaxies are dominated by bars. These are strong non-axisymmetric features which significantly affect orbits of stars and dark…”
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A dynamical classification of the cosmic web by Forero–Romero, J. E., Hoffman, Y., Gottlöber, S., Klypin, A., Yepes, G.

“…In this paper, we propose a new dynamical classification of the cosmic web. Each point in space is classified in one of four possible web types: voids, sheets,…”
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The Uchuu–SDSS galaxy light-cones: a clustering, redshift space distortion and baryonic acoustic oscillation study by Dong-Páez, C A, Smith, A, Szewciw, A O, Ereza, J, Abdullah, M H, Hernández-Aguayo, C, Trusov, S, Prada, F, Klypin, A, Ishiyama, T, Berlind, A, Zarrouk, P, López Cacheiro, J, Ruedas, J

“…ABSTRACT We present the data release of the Uchuu–SDSS galaxies: a set of 32 high-fidelity galaxy light-cones constructed from the large Uchuu 2.1 trillion…”
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The virialized mass of dark matter haloes by Cuesta, A. J., Prada, F., Klypin, A., Moles, M.

“…Virial mass is used as an estimator for the mass of a dark matter halo. However, the commonly used constant overdensity criterion does not reflect the…”
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Profiles of dark haloes: evolution, scatter and environment by Bullock, J. S., Kolatt, T. S., Sigad, Y., Somerville, R. S., Kravtsov, A. V., Klypin, A. A., Primack, J. R., Dekel, A.

“…We study dark matter halo density profiles in a high-resolution N-body simulation of a ΛCDM cosmology. Our statistical sample contains ∼5000 haloes in the…”
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Probing galaxy assembly bias with LRG weak lensing observations by Niemiec, A, Jullo, E, Montero-Dorta, A D, Prada, F, Rodriguez-Torres, S, Perez, E, Klypin, A, Erben, T, Makler, M, Moraes, B, Pereira, M E S, Shan, H

“…Abstract In Montero-Dorta et al., we show that luminous red galaxies (LRGs) from the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS) at z ∼ 0.55 can be…”
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A Universal Angular Momentum Profile for Galactic Halos by Bullock, J. S, Dekel, A, Kolatt, T. S, Kravtsov, A. V, Klypin, A. A, Porciani, C, Primack, J. R

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A semi-analytical perspective on massive galaxies at z ∼ 0.55 by Stoppacher, D, Prada, F, Montero-Dorta, A D, Rodríguez-Torres, S, Knebe, A, Favole, G, Cui, W, Benson, A J, Behrens, C, Klypin, A A

“…ABSTRACT The most massive and luminous galaxies in the Universe serve as powerful probes to study the formation of structure, the assembly of mass, and…”
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The Origin of Angular Momentum in Dark Matter Halos by Vitvitska, Maya, Klypin, Anatoly A, Kravtsov, Andrey V, Wechsler, Risa H, Primack, Joel R, Bullock, James S

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Dark matter annihilation in the milky way galaxy: effects of baryonic compression by Prada, F, Klypin, A, Flix, J, Martínez, M, Simonneau, E

“…If the dark matter (DM), which is considered to constitute most of the mass of galaxies, is made of supersymmetric particles, the central region of our Galaxy…”
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How Far Do They Go? The Outer Structure of Galactic Dark Matter Halos by Prada, Francisco, Klypin, Anatoly A, Simonneau, Eduardo, Betancort-Rijo, Juan, Patiri, Santiago, Gottlöber, Stefan, Sanchez-Conde, Miguel A

“…We study the density profiles of collapsed galaxy-size dark matter halos with masses 10 super(11) to 5 x 10 super(12) M sub( )focusing mostly on the halo outer…”
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Bars and Cold Dark Matter Halos by Colín, Pedro, Valenzuela, O, Klypin, A

“…The central part of a dark matter halo reacts to the presence and evolution of a bar. Not only does the halo absorb angular momentum from the disk, it can also…”
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