Professor Cedric Lacey's Outputs (8)

A new gas cooling model for semi-analytic galaxy formation models (2017)
Journal Article
Hou, J., Lacey, C. G., & Frenk, C. S. (2018). A new gas cooling model for semi-analytic galaxy formation models. Monthly Notices of the Royal Astronomical Society, 475(1), 543-569. https://doi.org/10.1093/mnras/stx3218

Semi-analytic galaxy formation models are widely used to gain insight into the astrophysics of galaxy formation and in model testing, parameter space searching and mock catalogue building. In this work, we present a new model for gas cooling in haloe... Read More about A new gas cooling model for semi-analytic galaxy formation models.

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 host dark matter haloes of [O II] emitters at 0.5 < z < 1.5 (2017)
Journal Article
Gonzalez-Perez, V., Comparat, J., Norberg, P., Baugh, C., Contreras, S., Lacey, C., …Humphries, J. (2018). The host dark matter haloes of [O II] emitters at 0.5 < z < 1.5. Monthly Notices of the Royal Astronomical Society, 474(3), 4024-4038. https://doi.org/10.1093/mnras/stx2807

Emission line galaxies (ELGs) are used in several ongoing and upcoming surveys (SDSSIV/eBOSS, DESI) as tracers of the dark matter distribution. Using a new galaxy formation model, we explore the characteristics of [O II] emitters, which dominate opti... Read More about The host dark matter haloes of [O II] emitters at 0.5 < z < 1.5.

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 VLA-COSMOS 3 GHz Large Project: AGN and host-galaxy properties out to z ≲ 6 (2017)
Journal Article
Delvecchio, I., Smolčić, V., Zamorani, G., Lagos, C. D. P., Berta, S., Delhaize, J., …Tasca, L. (2017). The VLA-COSMOS 3 GHz Large Project: AGN and host-galaxy properties out to z ≲ 6. Astronomy & Astrophysics, 602, Article A3. https://doi.org/10.1051/0004-6361/201629367

We explore the multiwavelength properties of AGN host galaxies for different classes of radio-selected AGN out to z ≲ 6 via a multiwavelength analysis of about 7700 radio sources in the COSMOS field. The sources were selected with the Very Large Arra... Read More about The VLA-COSMOS 3 GHz Large Project: AGN and host-galaxy properties out to z ≲ 6.

Understanding the non-linear clustering of high-redshift galaxies (2017)
Journal Article
Jose, C., Baugh, C., Lacey, C., & Subramanian, K. (2017). Understanding the non-linear clustering of high-redshift galaxies. Monthly Notices of the Royal Astronomical Society, 469(4), 4428-4436. https://doi.org/10.1093/mnras/stx1014

We incorporate the non-linear clustering of dark matter haloes, as modelled by Jose et al. into the halo model to better understand the clustering of Lyman break galaxies (LBGs) in the redshift range z = 3–5. We find that, with this change, the predi... Read More about Understanding the non-linear clustering of high-redshift galaxies.

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.

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.