The far infra-red SEDs of main sequence and starburst galaxies

Cowley, W.I.; Béthermin, M.; Lagos, C. del P.; Lacey, C.G.; Baugh, C.M.; Cole, S.

doi:10.1093/mnras/stx165

Halo concentrations from extended Press-Schechter merger histories (2019)
Journal Article
Benson, A. J., Ludlow, A., & Cole, S. (2019). Halo concentrations from extended Press-Schechter merger histories. Monthly Notices of the Royal Astronomical Society, 485(4), 5010-5020. https://doi.org/10.1093/mnras/stz695

We apply the model relating halo concentration to formation history proposed by Ludlow et al. to merger trees generated using an algorithm based on excursion set theory. We find that while the model correctly predicts the median relation between halo... Read More about Halo concentrations from extended Press-Schechter merger histories.

Correcting for fibre assignment incompleteness in the DESI Bright Galaxy Survey (2019)
Journal Article
Smith, A., He, J., Cole, S., Stothert, L., Norberg, P., Baugh, C., …Wechsler, R. H. (2019). Correcting for fibre assignment incompleteness in the DESI Bright Galaxy Survey. Monthly Notices of the Royal Astronomical Society, 484(1), 1285-1300. https://doi.org/10.1093/mnras/stz059

The Dark Energy Spectroscopic Instrument (DESI) Bright Galaxy Survey (BGS) will be a survey of bright, low-redshift galaxies, which is planned to cover an area of ∼14000 square degrees in three passes. Each pass will cover the survey area with ∼2000... Read More about Correcting for fibre assignment incompleteness in the DESI Bright Galaxy Survey.

Aurigaia: mock Gaia DR2 stellar catalogues from the Auriga cosmological simulations (2018)
Journal Article
Grand, R., Helly, J., Fattahi, A., Cautun, M., Cole, S., Cooper, A., …Xu, D. (2018). Aurigaia: mock Gaia DR2 stellar catalogues from the Auriga cosmological simulations. Monthly Notices of the Royal Astronomical Society, 481(2), 1726-1743. https://doi.org/10.1093/mnras/sty2403

We present and analyse mock stellar catalogues that match the selection criteria and observables (including uncertainties) of the Gaia satellite data release 2 (DR2). The source are six cosmological high-resolution magneto-hydrodynamic ΛCDM zoom simu... Read More about Aurigaia: mock Gaia DR2 stellar catalogues from the Auriga cosmological simulations.

Globular clusters versus dark matter haloes in strong lensing observations (2018)
Journal Article
He, Q., Li, R., Lim, S., Frenk, C., Cole, S., Peng, E., & Wang, Q. (2018). Globular clusters versus dark matter haloes in strong lensing observations. Monthly Notices of the Royal Astronomical Society, 480(4), 5084-5091. https://doi.org/10.1093/mnras/sty2260

Small distortions in the images of Einstein rings or giant arcs offer the exciting prospect of detecting low mass dark matter haloes or subhaloes of mass below 109 M⊙ (for independent haloes, the mass refers to M200, and for subhaloes, the mass refer... Read More about Globular clusters versus dark matter haloes in strong lensing observations.

What to expect from dynamical modelling of galactic haloes II: the spherical Jeans equation (2018)
Journal Article
Wang, W., Han, J., Cole, S., More, S., Frenk, C., & Schaller, M. (2018). What to expect from dynamical modelling of galactic haloes II: the spherical Jeans equation. Monthly Notices of the Royal Astronomical Society, 476(4), 5669-5680. https://doi.org/10.1093/mnras/sty706

The spherical Jeans equation (SJE) is widely used in dynamical modelling of the Milky Way (MW) halo potential. We use haloes and galaxies from the cosmological Millennium-II simulation and hydrodynamical APOSTLE simulations to investigate the perform... Read More about What to expect from dynamical modelling of galactic haloes II: the spherical Jeans equation.

Predictions for deep galaxy surveys with JWST from ΛCDM (2017)
Journal Article
Cowley, W., Baugh, C., Cole, S., Frenk, C., & Lacey, C. (2018). Predictions for deep galaxy surveys with JWST from ΛCDM. Monthly Notices of the Royal Astronomical Society, 474(2), 2352-2372. https://doi.org/10.1093/mnras/stx2897

We present predictions for the outcome of deep galaxy surveys with the James Webb Space Telescope (JWST) obtained from a physical model of galaxy formation in Λ cold dark matter. We use the latest version of the GALFORM model, embedded within a new (... Read More about Predictions for deep galaxy surveys with JWST from ΛCDM.

The core–cusp problem: a matter of perspective (2017)
Journal Article
Genina, A., Benítez-Llambay, A., Frenk, C. S., Cole, S., Fattahi, A., Navarro, J. F., …Theuns, T. (2017). The core–cusp problem: a matter of perspective. Monthly Notices of the Royal Astronomical Society, 474(1), 1398-1411. https://doi.org/10.1093/mnras/stx2855

The existence of two kinematically and chemically distinct stellar subpopulations in the Sculptor and Fornax dwarf galaxies offers the opportunity to constrain the density profile of their matter haloes by measuring the mass contained within the well... Read More about The core–cusp problem: a matter of perspective.

HBT+: an improved code for finding subhaloes and building merger trees in cosmological simulations (2017)
Journal Article
Han, J., Cole, S., Frenk, C., Benitez-Llambay, A., & Helly, J. (2018). HBT+: an improved code for finding subhaloes and building merger trees in cosmological simulations. Monthly Notices of the Royal Astronomical Society, 474(1), 604-617. https://doi.org/10.1093/mnras/stx2792

Dark matter subhalos are the remnants of (incomplete) halo mergers. Identifying them and establishing their evolutionary links in the form of merger trees is one of the most important applications of cosmological simulations. The HBT (Hierachical Bou... Read More about HBT+: an improved code for finding subhaloes and building merger trees in cosmological simulations.

Comparing galaxy formation in semi-analytic models and hydrodynamical simulations (2017)
Journal Article
Mitchell, P. D., Lacey, C. G., Lagos, C. D., Frenk, C. S., Bower, R. G., Cole, S., …Theuns, T. (2018). Comparing galaxy formation in semi-analytic models and hydrodynamical simulations. Monthly Notices of the Royal Astronomical Society, 474(1), 492-521. https://doi.org/10.1093/mnras/stx2770

It is now possible for hydrodynamical simulations to reproduce a representative galaxy population. Accordingly, it is timely to assess critically some of the assumptions of traditional semi-analytic galaxy formation models. We use the EAGLE simulatio... Read More about Comparing galaxy formation in semi-analytic models and hydrodynamical simulations.

The Pan-STARRS1 Medium-deep Survey: Star Formation Quenching in Group and Cluster Environments (2017)
Journal Article
Jian, H., Lin, L., Lin, K., Foucaud, S., Chen, C., Chiueh, T., …Waters, C. (2017). The Pan-STARRS1 Medium-deep Survey: Star Formation Quenching in Group and Cluster Environments. Astrophysical Journal, 845(1), Article 74. https://doi.org/10.3847/1538-4357/aa7de2

We make use of a catalog of 1600 Pan-STARRS1 groups produced by the probability friends-of-friends algorithm to explore how the galaxy properties, i.e., the specific star formation rate (SSFR) and quiescent fraction, depend on stellar mass and group-... Read More about The Pan-STARRS1 Medium-deep Survey: Star Formation Quenching in Group and Cluster Environments.

Modelling galaxy merger time-scales and tidal destruction (2017)
Journal Article
Simha, V., & Cole, S. (2017). Modelling galaxy merger time-scales and tidal destruction. Monthly Notices of the Royal Astronomical Society, 472(2), 1392-1400. https://doi.org/10.1093/mnras/stx1942

We present a model for the dynamical evolution of subhaloes based on an approach combining numerical and analytical methods. Our method is based on tracking subhaloes in an N-body simulation up to the latest epoch that it can be resolved, and applyin... Read More about Modelling galaxy merger time-scales and tidal destruction.

A lightcone catalogue from the Millennium-XXL simulation (2017)
Journal Article
Smith, A., Cole, S., Baugh, C., Zheng, Z., Angulo, R., Norberg, P., & Zehavi, I. (2017). A lightcone catalogue from the Millennium-XXL simulation. Monthly Notices of the Royal Astronomical Society, 470(4), 4646-4661. https://doi.org/10.1093/mnras/stx1432

Future galaxy surveys require realistic mock catalogues to understand and quantify systematics in order to make precise cosmological measurements. We present a halo lightcone catalogue and halo occupation distribution (HOD) galaxy catalogue built usi... Read More about A lightcone catalogue from the Millennium-XXL simulation.

What to expect from dynamical modelling of galactic haloes (2017)
Journal Article
Wang, W., Han, J., Cole, S., Frenk, C., & Sawala, T. (2017). What to expect from dynamical modelling of galactic haloes. Monthly Notices of the Royal Astronomical Society, 470(2), 2351-2366. https://doi.org/10.1093/mnras/stx1334

Many dynamical models of the Milky Way halo require assumptions that the distribution function of a tracer population should be independent of time (i.e. a steady-state distribution function) and that the underlying potential is spherical. We study t... Read More about What to expect from dynamical modelling of galactic haloes.

Comparing semi-analytic particle tagging and hydrodynamical simulations of the Milky Way's stellar halo (2017)
Journal Article
Cooper, A., Cole, S., Frenk, C., Le Bret, T., & Pontzen, A. (2017). Comparing semi-analytic particle tagging and hydrodynamical simulations of the Milky Way's stellar halo. Monthly Notices of the Royal Astronomical Society, 469(2), 1691-1712. https://doi.org/10.1093/mnras/stx955

Particle tagging is an efficient, but approximate, technique for using cosmological N-body simulations to model the phase-space evolution of the stellar populations predicted, for example, by a semi-analytic model of galaxy formation. We test the tec... Read More about Comparing semi-analytic particle tagging and hydrodynamical simulations of the Milky Way's stellar halo.

Blending bias impacts the host halo masses derived from a cross-correlation analysis of bright submillimetre galaxies (2017)
Journal Article
Cowley, W., Lacey, C., Baugh, C., Cole, S., & Wilkinson, A. (2017). Blending bias impacts the host halo masses derived from a cross-correlation analysis of bright submillimetre galaxies. Monthly Notices of the Royal Astronomical Society, 469(3), 3396-3404. https://doi.org/10.1093/mnras/stx928

Placing bright submillimetre galaxies (SMGs) within the broader context of galaxy formation and evolution requires accurate measurements of their clustering, which can constrain the masses of their host dark matter haloes. Recent work has shown that... Read More about Blending bias impacts the host halo masses derived from a cross-correlation analysis of bright submillimetre galaxies.

Predictions for the detection of tidal streams with Gaia using great-circle methods (2017)
Journal Article
Mateu, C., Cooper, A., Font, A., Aguilar, L., Frenk, C., Cole, S., …McCarthy, I. (2017). Predictions for the detection of tidal streams with Gaia using great-circle methods. Monthly Notices of the Royal Astronomical Society, 469(1), 721-743. https://doi.org/10.1093/mnras/stx872

The Gaia astrometric mission may offer an unprecedented opportunity to discover new tidal streams in the Galactic halo. To test this, we apply nGC3, a great-circle-cell count method that combines position and proper motion data to identify streams, t... Read More about Predictions for the detection of tidal streams with Gaia using great-circle methods.

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.

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.

The far infra-red SEDs of main sequence and starburst galaxies (2017)
Journal Article
Cowley, W., Béthermin, M., Lagos, C. D. P., Lacey, C., Baugh, C., & Cole, S. (2017). The far infra-red SEDs of main sequence and starburst galaxies. Monthly Notices of the Royal Astronomical Society, 467(1), 1231-1248. https://doi.org/10.1093/mnras/stx165

We compare observed far infrared/sub-millimetre (FIR/sub-mm) galaxy spectral energy distributions (SEDs) of massive galaxies (M⋆ ≳ 1010 h−1 M⊙) derived through a stacking analysis with predictions from a new model of galaxy formation. The FIR SEDs of... Read More about The far infra-red SEDs of main sequence and starburst galaxies.

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