Professor Tom Theuns' Outputs (254)

Origins of carbon-enhanced metal-poor stars (2017)
Journal Article
Sharma, M., Theuns, T., Frenk, C. S., & Cooke, R. J. (2018). Origins of carbon-enhanced metal-poor stars. Monthly Notices of the Royal Astronomical Society, 473(1), 984-995. https://doi.org/10.1093/mnras/stx2392

We investigate the nature of carbon-enhanced metal-poor (CEMP) stars in Milky Way (MW) analogues selected from the EAGLE cosmological hydrodynamical simulation. The stellar evolution model in EAGLE includes the physics of enrichment by asymptotic gia... Read More about Origins of carbon-enhanced metal-poor stars.

The SAMI Galaxy Survey: understanding observations of large-scale outflows at low redshift with EAGLE simulations (2017)
Journal Article
Tescari, E., Cortese, L., Power, C., Wyithe, J., Ho, I., Crain, R., …Tonini, C. (2018). The SAMI Galaxy Survey: understanding observations of large-scale outflows at low redshift with EAGLE simulations. Monthly Notices of the Royal Astronomical Society, 473(1), 380-397. https://doi.org/10.1093/mnras/stx2315

This work presents a study of galactic outflows driven by stellar feedback. We extract main-sequence disc galaxies with stellar mass 109 ≤ M⋆/ M⊙ ≤ 5.7 × 1010 at redshift z = 0 from the highest resolution cosmological simulation of the Evolution and... Read More about The SAMI Galaxy Survey: understanding observations of large-scale outflows at low redshift with EAGLE simulations.

The formation of hot gaseous haloes around galaxies (2017)
Journal Article
Correa, C., Schaye, J., Wyithe, J., Duffy, A., Theuns, T., Crain, R., & Bower, R. (2018). The formation of hot gaseous haloes around galaxies. Monthly Notices of the Royal Astronomical Society, 473(1), 538-559. https://doi.org/10.1093/mnras/stx2332

We use a suite of hydrodynamical cosmological simulations from the Evolution and Assembly of GaLaxies and their Environments (EAGLE) project to investigate the formation of hot hydrostatic haloes and their dependence on feedback mechanisms. We find t... Read More about The formation of hot gaseous haloes around galaxies.

The relation between galaxy morphology and colour in the EAGLE simulation (2017)
Journal Article
Correa, C. A., Schaye, J., Clauwens, B., Bower, R. G., Crain, R. A., Schaller, M., …Thob, A. C. (2017). The relation between galaxy morphology and colour in the EAGLE simulation. Monthly Notices of the Royal Astronomical Society: Letters, 472(1), L45-L49. https://doi.org/10.1093/mnrasl/slx133

We investigate the relation between kinematic morphology, intrinsic colour and stellar mass of galaxies in the EAGLE cosmological hydrodynamical simulation. We calculate the intrinsic u − r colours and measure the fraction of kinetic energy invested... Read More about The relation between galaxy morphology and colour in the EAGLE simulation.

Galaxy metallicity scaling relations in the EAGLE simulations (2017)
Journal Article
De Rossi, M. E., Bower, R. G., Font, A. S., Schaye, J., & Theuns, T. (2017). Galaxy metallicity scaling relations in the EAGLE simulations. Monthly Notices of the Royal Astronomical Society, 472(3), 3354-3377. https://doi.org/10.1093/mnras/stx2158

We quantify the correlations between gas-phase and stellar metallicities and global properties of galaxies, such as stellar mass, halo mass, age and gas fraction, in the Evolution and Assembly of GaLaxies and their Environments suite of cosmological... Read More about Galaxy metallicity scaling relations in the EAGLE simulations.

The evolution of the star formation rate function in the EAGLE simulations: a comparison with UV, IR and Hα observations from z ∼ 8 to z ∼ 0 (2017)
Journal Article
Katsianis, A., Blanc, G., Lagos, C., Tejos, N., Bower, R., Alavi, A., …Lopez, S. (2017). The evolution of the star formation rate function in the EAGLE simulations: a comparison with UV, IR and Hα observations from z ∼ 8 to z ∼ 0. Monthly Notices of the Royal Astronomical Society, 472(1), 919-939. https://doi.org/10.1093/mnras/stx2020

We investigate the evolution of the galaxy star formation rate function (SFRF) and cosmic star formation rate density (CSFRD) of z ∼ 0–8 galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. In addition, we pr... Read More about The evolution of the star formation rate function in the EAGLE simulations: a comparison with UV, IR and Hα observations from z ∼ 8 to z ∼ 0.

The origin of the mass discrepancy-acceleration relation in ΛCDM (2017)
Journal Article
Navarro, J., Benítez-Llambay, A., Fattahi, A., Frenk, C., Ludlow, A., Oman, K., …Theuns, T. (2017). The origin of the mass discrepancy-acceleration relation in ΛCDM. Monthly Notices of the Royal Astronomical Society, 471(2), 1841-1848. https://doi.org/10.1093/mnras/stx1705

We examine the origin of the mass discrepancy–radial acceleration relation (MDAR) of disc galaxies. This is a tight empirical correlation between the disc centripetal acceleration and that expected from the baryonic component. The MDAR holds for most... Read More about The origin of the mass discrepancy-acceleration relation in ΛCDM.

A comparison of observed and simulated absorption from H i, C iv, and Si iv around z ≈ 2 star-forming galaxies suggests redshift–space distortions are due to inflows (2017)
Journal Article
Turner, M. L., Schaye, J., Crain, R. A., Rudie, G., Steidel, C. C., Strom, A., & Theuns, T. (2017). A comparison of observed and simulated absorption from H i, C iv, and Si iv around z ≈ 2 star-forming galaxies suggests redshift–space distortions are due to inflows. Monthly Notices of the Royal Astronomical Society, 471(1), 690-705. https://doi.org/10.1093/mnras/stx1616

We study H I and metal-line absorption around z ≈ 2 star-forming galaxies by comparing an analysis of data from the Keck Baryonic Structure Survey to mock spectra generated from the Evolution and Assembly of Galaxies and their Environments (EAGLE) co... Read More about A comparison of observed and simulated absorption from H i, C iv, and Si iv around z ≈ 2 star-forming galaxies suggests redshift–space distortions are due to inflows.

The Cluster-EAGLE project: global properties of simulated clusters with resolved galaxies (2017)
Journal Article
Barnes, D. J., Kay, S. T., Bahé, Y. M., Dalla Vecchia, C., McCarthy, I. G., Schaye, J., …White, S. D. (2017). The Cluster-EAGLE project: global properties of simulated clusters with resolved galaxies. Monthly Notices of the Royal Astronomical Society, 471(1), 1088-1106. https://doi.org/10.1093/mnras/stx1647

We introduce the Cluster-EAGLE (C-EAGLE) simulation project, a set of cosmological hydrodynamical zoom simulations of the formation of 30 galaxy clusters in the mass range of 1014 < M200/M⊙ < 1015.4 that incorporates the Hydrangea sample of Bahé et a... Read More about The Cluster-EAGLE project: global properties of simulated clusters with resolved galaxies.

The Hydrangea simulations: galaxy formation in and around massive clusters (2017)
Journal Article
Bahé, Y., Barnes, D., Dalla Vecchia, C., Kay, S., White, S., McCarthy, I., …Trayford, J. (2017). The Hydrangea simulations: galaxy formation in and around massive clusters. Monthly Notices of the Royal Astronomical Society, 470(4), 4186-4208. https://doi.org/10.1093/mnras/stx1403

We introduce the Hydrangea simulations, a suite of 24 cosmological hydrodynamic zoom-in simulations of massive galaxy clusters (M200c = 1014–1015.4 M⊙) with baryon particle masses of ∼106 M⊙. Designed to study the impact of the cluster environment on... Read More about The Hydrangea simulations: galaxy formation in and around massive clusters.

Small-scale galaxy clustering in the eagle simulation (2017)
Journal Article
Artale, M. C., Pedrosa, S. E., Trayford, J. W., Theuns, T., Farrow, D. J., Norberg, P., …Schaller, M. (2017). Small-scale galaxy clustering in the eagle simulation. Monthly Notices of the Royal Astronomical Society, 470(2), 1771-1787. https://doi.org/10.1093/mnras/stx1263

We study present-day galaxy clustering in the EAGLE cosmological hydrodynamical simulation. EAGLE’s galaxy formation parameters were calibrated to reproduce the redshift z = 0.1 galaxy stellar mass function, and the simulation also reproduces galaxy... Read More about Small-scale galaxy clustering in the eagle simulation.

Optical colours and spectral indices of z = 0.1 eagle galaxies with the 3D dust radiative transfer code skirt (2017)
Journal Article
Trayford, J., Camps, P., Theuns, T., Baes, M., Bower, R., Crain, R., …Frenk, C. (2017). Optical colours and spectral indices of z = 0.1 eagle galaxies with the 3D dust radiative transfer code skirt. Monthly Notices of the Royal Astronomical Society, 470(1), 771-799. https://doi.org/10.1093/mnras/stx1051

We present mock optical images, broad-band and H α fluxes, and D4000 spectral indices for 30 145 galaxies from the EAGLE hydrodynamical simulation at redshift z = 0.1, modelling dust with the SKIRT Monte Carlo radiative transfer code. The modelling i... Read More about Optical colours and spectral indices of z = 0.1 eagle galaxies with the 3D dust radiative transfer code skirt.

Barred galaxies in the EAGLE cosmological hydrodynamical simulation (2017)
Journal Article
Algorry, D., Navarro, J., Abadi, M., Sales, L., Bower, R., Crain, R., …Theuns, T. (2017). Barred galaxies in the EAGLE cosmological hydrodynamical simulation. Monthly Notices of the Royal Astronomical Society, 469(1), 1054-1064. https://doi.org/10.1093/mnras/stx1008

We examine the properties of barred disc galaxies in a ΛCDM cosmological hydrodynamical simulation from the EAGLE project. Our study follows the formation of 269 discs identified at z = 0 in the stellar mass range 10.6 < log M*/M⊙ < 11. These discs s... Read More about Barred galaxies in the EAGLE cosmological hydrodynamical simulation.

Knowing the unknowns: uncertainties in simple estimators of galactic dynamical masses (2017)
Journal Article
Campbell, D. J., Frenk, C. S., Jenkins, A., Eke, V. R., Navarro, J. F., Sawala, T., …Theuns, T. (2017). Knowing the unknowns: uncertainties in simple estimators of galactic dynamical masses. Monthly Notices of the Royal Astronomical Society, 469(2), 2335-2360. https://doi.org/10.1093/mnras/stx975

The observed stellar kinematics of dispersion-supported galaxies are often used to measure dynamical masses. Recently, several analytical relationships between the stellar line-of-sight velocity dispersion, the projected (2D) or deprojected (3D) half... Read More about Knowing the unknowns: uncertainties in simple estimators of galactic dynamical masses.

Mass-Discrepancy Acceleration Relation: A Natural Outcome of Galaxy Formation in Cold Dark Matter Halos (2017)
Journal Article
Ludlow, A., Benítez-Llambay, A., Schaller, M., Theuns, T., Frenk, C., Bower, R., …Oman, K. (2017). Mass-Discrepancy Acceleration Relation: A Natural Outcome of Galaxy Formation in Cold Dark Matter Halos. Physical Review Letters, 118(16), Article 161103. https://doi.org/10.1103/physrevlett.118.161103

We analyze the total and baryonic acceleration profiles of a set of well-resolved galaxies identified in the eagle suite of hydrodynamic simulations. Our runs start from the same initial conditions but adopt different prescriptions for unresolved ste... Read More about Mass-Discrepancy Acceleration Relation: A Natural Outcome of Galaxy Formation in Cold Dark Matter Halos.

The link between galaxy and black hole growth in the eagle simulation (2017)
Journal Article
McAlpine, S., Bower, R., Harrison, C., Crain, R., Schaller, M., Schaye, J., & Theuns, T. (2017). The link between galaxy and black hole growth in the eagle simulation. Monthly Notices of the Royal Astronomical Society, 468(3), 3395-3407. https://doi.org/10.1093/mnras/stx658

We investigate the connection between the star formation rate (SFR) of galaxies and their central black hole accretion rate (BHAR) using the EAGLE cosmological hydrodynamical simulation. We find, in striking concurrence with recent observational stud... Read More about The link between galaxy and black hole growth in the eagle simulation.

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.

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.

A measurement of the z = 0 UV background from Halpha fluorescence (2017)
Journal Article
Fumagalli, M., Haardt, F., Theuns, T., Morris, S. L., Cantalupo, S., Madau, P., & Fossati, M. (2017). A measurement of the z = 0 UV background from Halpha fluorescence. Monthly Notices of the Royal Astronomical Society, 467(4), 4802-4816. https://doi.org/10.1093/mnras/stx398

We report the detection of extended Halpha emission from the tip of the HI disk of the nearby edge-on galaxy UGC 7321, observed with the Multi Unit Spectroscopic Explorer (MUSE) instrument at the Very Large Telescope. The Halpha surface brightness fa... Read More about A measurement of the z = 0 UV background from Halpha fluorescence.

How to get cool in the heat: comparing analytic models of hot, cold, and cooling gas in haloes and galaxies with EAGLE (2017)
Journal Article
Stevens, A., Lagos, C. D. P., Contreras, S., Croton, D., Padilla, N., Schaller, M., …Theuns, T. (2017). How to get cool in the heat: comparing analytic models of hot, cold, and cooling gas in haloes and galaxies with EAGLE. Monthly Notices of the Royal Astronomical Society, 467(2), 2066-2084. https://doi.org/10.1093/mnras/stx243

We use the hydrodynamic, cosmological EAGLE simulations to investigate how the hot gas in haloes condenses to form and grow galaxies. We select haloes from the simulations that are actively cooling and study the temperature, distribution and metallic... Read More about How to get cool in the heat: comparing analytic models of hot, cold, and cooling gas in haloes and galaxies with EAGLE.