Professor Carlos Frenk's Outputs (558)

Tidal features of classical Milky Way satellites in a Λ cold dark matter universe (2017)
Journal Article
Wang, M., Fattahi, A., Cooper, A., Sawala, T., Strigari, L., Frenk, C., …Schaller, M. (2017). Tidal features of classical Milky Way satellites in a Λ cold dark matter universe. Monthly Notices of the Royal Astronomical Society, 468(4), 4887-4901. https://doi.org/10.1093/mnras/stx742

We use the APOSTLE (A Project Of Simulating The Local Environment) cosmological hydrodynamic simulations to examine the effects of tidal stripping on cold dark matter subhaloes that host three of the most luminous Milky Way dwarf satellite galaxies:... Read More about Tidal features of classical Milky Way satellites in a Λ cold dark matter universe.

Properties of Local Group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies (2017)
Journal Article
Lovell, M., Bose, S., Boyarsky, A., Crain, R., Frenk, C., Hellwing, W., …Theuns, T. (2017). Properties of Local Group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies. Monthly Notices of the Royal Astronomical Society, 468(4), 4285-4298. https://doi.org/10.1093/mnras/stx654

We study galaxy formation in sterile neutrino dark matter models that differ significantly from both cold and from ‘warm thermal relic’ models. We use the EAGLE code to carry out hydrodynamic simulations of the evolution of pairs of galaxies chosen t... Read More about Properties of Local Group galaxies in hydrodynamical simulations of sterile neutrino dark matter cosmologies.

Addressing the too big to fail problem with baryon physics and sterile neutrino dark matter (2017)
Journal Article
Lovell, M., Gonzalez-Perez, V., Bose, S., Boyarsky, A., Cole, S., Frenk, C., & Ruchayskiy, O. (2017). Addressing the too big to fail problem with baryon physics and sterile neutrino dark matter. Monthly Notices of the Royal Astronomical Society, 468(3), 2836-2849. https://doi.org/10.1093/mnras/stx621

N-body dark matter simulations of structure formation in the Λ cold dark matter (ΛCDM) model predict a population of subhaloes within Galactic haloes that have higher central densities than inferred for the Milky Way satellites, a tension known as th... Read More about Addressing the too big to fail problem with baryon physics and sterile neutrino dark matter.

Winds of change: reionization by starburst galaxies (2017)
Journal Article
Sharma, M., Theuns, T., Frenk, C., Bower, R., Crain, R., Schaller, M., & Schaye, J. (2017). Winds of change: reionization by starburst galaxies. Monthly Notices of the Royal Astronomical Society, 468(2), 2176-2188. https://doi.org/10.1093/mnras/stx578

We investigate the properties of the galaxies that reionized the Universe and the history of cosmic reionization using the ‘Evolution and Assembly of Galaxies and their Environments’ (eagle) cosmological hydrodynamical simulations. We obtain the evol... Read More about Winds of change: reionization by starburst galaxies.

Particle tagging and its implications for stellar population dynamics (2017)
Journal Article
Le Bret, T., Pontzen, A., Cooper, A., Frenk, C., Zolotov, A., Brooks, A., Governato, F., & Parry, O. (2017). Particle tagging and its implications for stellar population dynamics. Monthly Notices of the Royal Astronomical Society, 468(3), 3212-3222. https://doi.org/10.1093/mnras/stx552

We establish a controlled comparison between the properties of galactic stellar haloes obtained with hydrodynamical simulations and with ‘particle tagging’. Tagging is a fast way to obtain stellar population dynamics: instead of tracking gas and star... Read More about Particle tagging and its implications for stellar population dynamics.

Projection effects in the strong lensing study of subhaloes (2017)
Journal Article
Li, R., Frenk, C., Cole, S., Wang, Q., & Gao, L. (2017). Projection effects in the strong lensing study of subhaloes. Monthly Notices of the Royal Astronomical Society, 468(2), 1426-1432. https://doi.org/10.1093/mnras/stx554

The defining characteristic of the cold dark matter (CDM) hypothesis is the presence of a very large number of low-mass haloes, too small to have made a visible galaxy. Other hypotheses for the nature of the dark matter, such as warm dark matter (WDM... Read More about Projection effects in the strong lensing study of subhaloes.

Gravitational redshift and asymmetric redshift-space distortions for stacked clusters (2017)
Journal Article
Cai, Y., Kaiser, N., Cole, S., & Frenk, C. (2017). Gravitational redshift and asymmetric redshift-space distortions for stacked clusters. Monthly Notices of the Royal Astronomical Society, 468(2), 1981-1993. https://doi.org/10.1093/mnras/stx469

We derive the expression for the observed redshift in the weak field limit in the observer's past light cone, including all relativistic terms up to second order in velocity. We then apply it to compute the cluster–galaxy cross-correlation functions... Read More about Gravitational redshift and asymmetric redshift-space distortions for stacked clusters.

Shaken and stirred: the Milky Way's dark substructures (2017)
Journal Article
Sawala, T., Pihajoki, P., Johansson, P., Frenk, C., Navarro, J., Oman, K., & White, S. (2017). Shaken and stirred: the Milky Way's dark substructures. Monthly Notices of the Royal Astronomical Society, 467(4), 4383-4400. https://doi.org/10.1093/mnras/stx360

The predicted abundance and properties of the low-mass substructures embedded inside larger dark matter haloes differ sharply among alternative dark matter models. Too small to host galaxies themselves, these subhaloes may still be detected via gravi... Read More about Shaken and stirred: the Milky Way's dark substructures.

The tangential velocity excess of the Milky Way satellites (2017)
Journal Article
Cautun, M., & Frenk, C. S. (2017). The tangential velocity excess of the Milky Way satellites. Monthly Notices of the Royal Astronomical Society: Letters, 468(1), L41-L45. https://doi.org/10.1093/mnrasl/slx025

We estimate the systemic orbital kinematics of the Milky Way classical satellites and compare them with predictions from the Λ cold dark matter (ΛCDM) model derived from a semi-analytical galaxy formation model applied to high-resolution cosmological... Read More about The tangential velocity excess of the Milky Way satellites.

Properties of HI discs in the Auriga cosmological simulations (2017)
Journal Article
Marinacci, F., Grand, R., Pakmor, R., Springel, V., Gómez, F., Frenk, C., & White, S. (2017). Properties of HI discs in the Auriga cosmological simulations. Monthly Notices of the Royal Astronomical Society, 466(4), 3859-3875. https://doi.org/10.1093/mnras/stw3366

We analyse the properties of the H i gas distribution in the Auriga project, a set of magnetohydrodynamic cosmological simulations performed with the moving-mesh code arepo and a physics model for galaxy formation that succeeds in forming realistic l... Read More about Properties of HI discs in the Auriga cosmological simulations.

A White Paper on keV sterile neutrino Dark Matter (2017)
Journal Article
Adhikari, R. A., M. Ky, N. A., T. Archidiacono, M. B., M. Baur, J. B., J. Bezrukov, F. B., Dev P.S. Borah, D. B., A. de Gouvea, A. D. S. P., C.A. de Vega, H. D., A.G. Di, B., P. Djurcic, Z. D., K. Dorrer, H. D., M. Dragoun, O. D., M. Drexlin, G. D., C.E. Eberhardt, K. E., S. Enss, C. E., N.W. Faessler, A. F., P. Fischer, V. F., A. Formaggio, J. F., J. Fraenkle, F. *., C.S. Fuller, G. G., …Frenk, C. (2017). A White Paper on keV sterile neutrino Dark Matter. Journal of Cosmology and Astroparticle Physics, 2017(1), Article 025. https://doi.org/10.1088/1475-7516/2017/01/025

We present a comprehensive review of keV-scale sterile neutrino Dark Matter, collecting views and insights from all disciplines involved—cosmology, astrophysics, nuclear, and particle physics—in each case viewed from both theoretical and experimental... Read More about A White Paper on keV sterile neutrino Dark Matter.

The Auriga Project: the properties and formation mechanisms of disc galaxies across cosmic time (2017)
Journal Article
Grand, R., Gómez, F., Marinacci, F., Pakmor, R., Springel, V., Campbell, D., …White, S. (2017). The Auriga Project: the properties and formation mechanisms of disc galaxies across cosmic time. Monthly Notices of the Royal Astronomical Society, 467(1), 179-207. https://doi.org/10.1093/mnras/stx071

We introduce a suite of 30 cosmological magneto-hydrodynamical zoom simulations of the formation of galaxies in isolated Milky Way mass dark haloes. These were carried out with the moving mesh code arepo, together with a comprehensive model for galax... Read More about The Auriga Project: the properties and formation mechanisms of disc galaxies across cosmic time.

The properties of ‘dark’ ΛCDM haloes in the Local Group (2016)
Journal Article
Benítez-Llambay, A., Navarro, J., Frenk, C., Sawala, T., Oman, K., Fattahi, A., …Theuns, T. (2017). The properties of ‘dark’ ΛCDM haloes in the Local Group. Monthly Notices of the Royal Astronomical Society, 465(4), 3913-3926. https://doi.org/10.1093/mnras/stw2982

We examine the baryon content of low-mass Λ cold dark matter (ΛCDM) haloes (108 < M200/M⊙ < 5 × 109) using the APOSTLE cosmological hydrodynamical simulations. Most of these systems are free of stars and have a gaseous content set by the combined eff... Read More about The properties of ‘dark’ ΛCDM haloes in the Local Group.

The oldest and most metal-poor stars in the APOSTLE Local Group simulations (2016)
Journal Article
Starkenburg, E., Oman, K., Navarro, J., Crain, R., Fattahi, A., Frenk, C., …Schaye, J. (2017). The oldest and most metal-poor stars in the APOSTLE Local Group simulations. Monthly Notices of the Royal Astronomical Society, 465(2), 2212-2224. https://doi.org/10.1093/mnras/stw2873

We examine the spatial distribution of the oldest and most metal-poor stellar populations of Milky Way-sized galaxies using the A Project Of Simulating The Local Environment (APOSTLE) cosmological hydrodynamical simulations of the Local Group. In agr... Read More about The oldest and most metal-poor stars in the APOSTLE Local Group simulations.

Identifying true satellites of the Magellanic Clouds (2016)
Journal Article
Sales, L., Navarro, J., Kallivayalil, N., & Frenk, C. (2017). Identifying true satellites of the Magellanic Clouds. Monthly Notices of the Royal Astronomical Society, 465(2), 1879-188. https://doi.org/10.1093/mnras/stw2816

The hierarchical nature of ΛCDM suggests that the Magellanic Clouds must have been surrounded by a number of satellites before their infall into the Milky Way halo. Many of those satellites should still be in close proximity to the Clouds, but some c... Read More about Identifying true satellites of the Magellanic Clouds.

The dark nemesis of galaxy formation: why hot haloes trigger black hole growth and bring star formation to an end (2016)
Journal Article
Bower, R., Schaye, J., Frenk, C., Theuns, T., Schaller, M., Crain, R., & McAlpine, S. (2017). The dark nemesis of galaxy formation: why hot haloes trigger black hole growth and bring star formation to an end. Monthly Notices of the Royal Astronomical Society, 465(1), 32-44. https://doi.org/10.1093/mnras/stw2735

Galaxies fall into two clearly distinct types: ‘blue-sequence’ galaxies which are rapidly forming young stars, and ‘red-sequence’ galaxies in which star formation has almost completely ceased. Most galaxies more massive than 3 × 1010 M⊙ follow the re... Read More about The dark nemesis of galaxy formation: why hot haloes trigger black hole growth and bring star formation to an end.

The metal enrichment of passive galaxies in cosmological simulations of galaxy formation (2016)
Journal Article
Okamoto, T., Nagashima, M., Lacey, C., & Frenk, C. (2017). The metal enrichment of passive galaxies in cosmological simulations of galaxy formation. Monthly Notices of the Royal Astronomical Society, 464(4), 4866-4874. https://doi.org/10.1093/mnras/stw2729

Massive early-type galaxies have higher metallicities and higher ratios of α elements to iron than their less massive counterparts. Reproducing these correlations has long been a problem for hierarchical galaxy formation theory, both in semi-analytic... Read More about The metal enrichment of passive galaxies in cosmological simulations of galaxy formation.

Size matters: abundance matching, galaxy sizes, and the Tully-Fisher relation in EAGLE (2016)
Journal Article
Ferrero, I., Navarro, J., Abadi, M., Sales, L., Bower, R., Crain, R., …Theuns, T. (2017). Size matters: abundance matching, galaxy sizes, and the Tully-Fisher relation in EAGLE. Monthly Notices of the Royal Astronomical Society, 464(4), 4736-4746. https://doi.org/10.1093/mnras/stw2691

The Tully–Fisher relation (TFR) links the stellar mass of a disc galaxy, Mstr, to its rotation speed: it is well approximated by a power law, shows little scatter, and evolves weakly with redshift. The relation has been interpreted as reflecting the... Read More about Size matters: abundance matching, galaxy sizes, and the Tully-Fisher relation in EAGLE.

Substructure and galaxy formation in the Copernicus Complexio warm dark matter simulations (2016)
Journal Article
Bose, S., Hellwing, W., Frenk, C., Jenkins, A., Lovell, M., Helly, J., …Gao, L. (2017). Substructure and galaxy formation in the Copernicus Complexio warm dark matter simulations. Monthly Notices of the Royal Astronomical Society, 464(4), 4520-4533. https://doi.org/10.1093/mnras/stw2686

We use the Copernicus Complexio (coco) high-resolution N-body simulations to investigate differences in the properties of small-scale structures in the standard cold dark matter (CDM) model and in a model with a cutoff in the initial power spectrum o... Read More about Substructure and galaxy formation in the Copernicus Complexio warm dark matter simulations.

The low-mass end of the baryonic Tully–Fisher relation (2016)
Journal Article
Sales, L., Navarro, J., Oman, K., Fattahi, A., Ferrero, I., Abadi, M., …White, S. (2017). The low-mass end of the baryonic Tully–Fisher relation. Monthly Notices of the Royal Astronomical Society, 464(2), 2419-2428. https://doi.org/10.1093/mnras/stw2461

The scaling of disc galaxy rotation velocity with baryonic mass (the ‘baryonic Tully–Fisher’ relation, BTF) has long confounded galaxy formation models. It is steeper than the M ∝ V3 scaling relating halo virial masses and circular velocities and its... Read More about The low-mass end of the baryonic Tully–Fisher relation.