The buildup of galaxies and their spheroids: The contributions of mergers, disc instabilities, and star formation (2022)
Journal Article
Huško, F., Lacey, C. G., & Baugh, C. M. (2023). The buildup of galaxies and their spheroids: The contributions of mergers, disc instabilities, and star formation. Monthly Notices of the Royal Astronomical Society, 518(4), 5323-5339. https://doi.org/10.1093/mnras/stac3152

We use the GALFORM semi-analytical model of galaxy formation and the Planck-Millennium simulation to investigate the origins of stellar mass in galaxies and their spheroids. We compare the importance of mergers and disc instabilities, as well as the... Read More about The buildup of galaxies and their spheroids: The contributions of mergers, disc instabilities, and star formation.

Making use of sub-resolution haloes in N-body simulations (2021)
Journal Article
Armijo, J., Baugh, C. M., Padilla, N. D., Norberg, P., & Arnold, C. (2022). Making use of sub-resolution haloes in N-body simulations. Monthly Notices of the Royal Astronomical Society, 510(1), 29-33. https://doi.org/10.1093/mnrasl/slab122

Conservative mass limits are often imposed on the dark matter halo catalogues extracted from N-body simulations. By comparing simulations with different mass resolutions, at z = 0 we find that even for haloes resolved by 100 particles, the lower reso... Read More about Making use of sub-resolution haloes in N-body simulations.

Preliminary clustering properties of the DESI BGS bright targets using DR9 Legacy Imaging Surveys (2021)
Journal Article
Zarrouk, P., Ruiz-Macias, O., Cole, S., Norberg, P., Baugh, C., Brooks, D., …Tarlé, G. (2022). Preliminary clustering properties of the DESI BGS bright targets using DR9 Legacy Imaging Surveys. Monthly Notices of the Royal Astronomical Society, 509(1), 1478-1493. https://doi.org/10.1093/mnras/stab2814

We characterize the selection cuts and clustering properties of a magnitude-limited sample of bright galaxies that is part of the Bright Galaxy Survey (BGS) of the Dark Energy Spectroscopic Instrument (DESI) using the ninth data release of the Legacy... Read More about Preliminary clustering properties of the DESI BGS bright targets using DR9 Legacy Imaging Surveys.

Statistics of galaxy mergers: bridging the gap between theory and observation (2021)
Journal Article
Huško, F., Lacey, C. G., & Baugh, C. M. (2021). Statistics of galaxy mergers: bridging the gap between theory and observation. Monthly Notices of the Royal Astronomical Society, 509(4), 5918-5937. https://doi.org/10.1093/mnras/stab3324

We present a study of galaxy mergers up to z = 10 using the Planck Millennium cosmological dark matter simulation and the GALFORM semi-analytical model of galaxy formation. Utilizing the full 800 Mpc3 volume of the simulation, we studied the statisti... Read More about Statistics of galaxy mergers: bridging the gap between theory and observation.

Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey (2021)
Journal Article
Ruiz-Macias, O., Zarrouk, P., Cole, S., Baugh, C. M., Norberg, P., Lucey, J., …Wilson, M. (2021). Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey. Monthly Notices of the Royal Astronomical Society, 502(3), 4328-4349. https://doi.org/10.1093/mnras/stab292

We present the steps taken to produce a reliable and complete input galaxy catalogue for the Dark Energy Spectroscopic Instrument (DESI) Bright Galaxy Survey (BGS) using the photometric Legacy Survey DR8 DECam. We analyse some of the main issues face... Read More about Characterizing the target selection pipeline for the Dark Energy Spectroscopic Instrument Bright Galaxy Survey.

The PAU Survey: an improved photo-z sample in the COSMOS field (2021)
Journal Article
Alarcon, A., Gaztanaga, E., Eriksen, M., Baugh, C. M., Cabayol, L., Casas, R., …Tallada-Crespí, P. (2021). The PAU Survey: an improved photo-z sample in the COSMOS field. Monthly Notices of the Royal Astronomical Society, 501(4), 6103-6122. https://doi.org/10.1093/mnras/staa3659

We present – and make publicly available – accurate and precise photometric redshifts in the ACS footprint from the COSMOS field for objects with iAB ≤ 23. The redshifts are computed using a combination of narrow-band photometry from PAUS, a survey w... Read More about The PAU Survey: an improved photo-z sample in the COSMOS field.

Modelling the quenching of star formation activity from the evolution of the colour-magnitude relation in VIPERS (2020)
Journal Article
Manzoni, G., Scodeggio, M., Baugh, C., Norberg, P., De Lucia, G., Fritz, A., …Vergani, D. (2021). Modelling the quenching of star formation activity from the evolution of the colour-magnitude relation in VIPERS. New Astronomy, 84, Article 101515. https://doi.org/10.1016/j.newast.2020.101515

We study the evolution of the colour-magnitude relation for galaxies in the VIMOS Public Extragalactic Redshift Survey (VIPERS) by introducing the concept of the bright edge, and use this to derive constraints on the quenching of star formation activ... Read More about Modelling the quenching of star formation activity from the evolution of the colour-magnitude relation in VIPERS.

Do model emission line galaxies live in filaments at z∼1? (2020)
Journal Article
Gonzalez-Perez, V., Cui, W., Contreras, S., Baugh, C., Comparat, J., Griffin, A., …Norberg, P. (2020). Do model emission line galaxies live in filaments at z∼1?. Monthly Notices of the Royal Astronomical Society, 498(2), 1852-1870. https://doi.org/10.1093/mnras/staa2504

Current and future cosmological surveys are targeting star-forming galaxies at z∼ 1 with nebular emission lines. We use a state-of-the-art semi-analytical model of galaxy formation and evolution to explore the large scale environment of star-forming... Read More about Do model emission line galaxies live in filaments at z∼1?.

The evolution of SMBH spin and AGN luminosities for z < 6 within a semi-analytic model of galaxy formation (2019)
Journal Article
Griffin, A. J., Lacey, C. G., Gonzalez-Perez, V., del P Lagos, C., Baugh, C. M., & Fanidakis, N. (2019). The evolution of SMBH spin and AGN luminosities for z < 6 within a semi-analytic model of galaxy formation. Monthly Notices of the Royal Astronomical Society, 487(1), 198-227. https://doi.org/10.1093/mnras/stz1216

Understanding how Active Galactic Nuclei (AGN) evolve through cosmic time allows us to probe the physical processes that control their evolution. We use an updated model for the evolution of masses and spins of supermassive black holes (SMBHs), coupl... Read More about The evolution of SMBH spin and AGN luminosities for z < 6 within a semi-analytic model of galaxy formation.

A new approach to finding galaxy groups using Markov Clustering (2019)
Journal Article
Stothert, L., Norberg, P., & Baugh, C. (2019). A new approach to finding galaxy groups using Markov Clustering. Monthly Notices of the Royal Astronomical Society: Letters, 485(1), L126-L130. https://doi.org/10.1093/mnrasl/slz045

We present a proof of concept of a new galaxy group finder method, Markov graph CLustering (MCL) that naturally handles probabilistic linking criteria. We introduce a new figure of merit, the variation of information (VI) statistic, used to optimize... Read More about A new approach to finding galaxy groups using Markov Clustering.

The Effect of Assembly Bias on Redshift Space Distortions (2019)
Journal Article
Padilla, N., Contreras, S., Zehavi, I., Baugh, C., & Norberg, P. (2019). The Effect of Assembly Bias on Redshift Space Distortions. Monthly Notices of the Royal Astronomical Society, 486(1), 582-595. https://doi.org/10.1093/mnras/stz824

We study potential systematic effects of assembly bias on cosmological parameter constraints from redshift space distortion measurements. We use a semi-analytic galaxy formation model applied to the Millennium N-body WMAP-7 simulation to study the ef... Read More about The Effect of Assembly Bias on Redshift Space Distortions.

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.

Uncovering substructure with wavelets: proof of concept using Abell 2744 (2018)
Journal Article
Schwinn, J., Baugh, C., Jauzac, M., Bartelmann, M., & Eckert, D. (2018). Uncovering substructure with wavelets: proof of concept using Abell 2744. Monthly Notices of the Royal Astronomical Society, 481(4), 4300-4310. https://doi.org/10.1093/mnras/sty2566

A recent comparison of the massive galaxy cluster Abell 2744 with the Millennium XXL (MXXL) N-body simulation has hinted at a tension between the observed substructure distribution and the predictions of Λ cold dark matter (ΛCDM). Follow-up investiga... Read More about Uncovering substructure with wavelets: proof of concept using Abell 2744.

The PAU Survey: spectral features and galaxy clustering using simulated narrow-band photometry (2018)
Journal Article
Stothert, L., Norberg, P., Baugh, C., Alarcon, A., Amara, A., Carretero, J., …Tortorelli, L. (2018). The PAU Survey: spectral features and galaxy clustering using simulated narrow-band photometry. Monthly Notices of the Royal Astronomical Society, 481(3), 4221-4235. https://doi.org/10.1093/mnras/sty2491

We present a mock catalogue for the Physics of the Accelerating Universe Survey (PAUS) and use it to quantify the competitiveness of narrow-band imaging for measuring spectral features and galaxy clustering. The mock agrees with observed number count... Read More about The PAU Survey: spectral features and galaxy clustering using simulated narrow-band photometry.

Growing a ‘cosmic beast’: observations and simulations of MACS J0717.5+3745 (2018)
Journal Article
Jauzac, M., Eckert, D., Schaller, M., Schwinn, J., Massey, R., Bahé, Y., …Umetsu, K. (2018). Growing a ‘cosmic beast’: observations and simulations of MACS J0717.5+3745. Monthly Notices of the Royal Astronomical Society, 481(3), 2901-2917. https://doi.org/10.1093/mnras/sty2366

We present a gravitational lensing and X-ray analysis of a massive galaxy cluster and its surroundings. The core of MACS J0717.5+3745 (M(R < 1 Mpc) ∼ 2 × 1015 M, z = 0.54) is already known to contain four merging components. We show that this is surr... Read More about Growing a ‘cosmic beast’: observations and simulations of MACS J0717.5+3745.

The Impact of Assembly Bias on the Galaxy Content of Dark Matter Halos (2018)
Journal Article
Zehavi, I., Contreras, S., Padilla, N., Smith, N. J., Baugh, C. M., & Norberg, P. (2018). The Impact of Assembly Bias on the Galaxy Content of Dark Matter Halos. Astrophysical Journal, 853(1), Article 84. https://doi.org/10.3847/1538-4357/aaa54a

We study the dependence of the galaxy content of dark matter halos on large-scale environment and halo formation time using semi-analytic galaxy models applied to the Millennium simulation. We analyze subsamples of halos at the extremes of these dist... Read More about The Impact of Assembly Bias on the Galaxy Content of Dark Matter Halos.

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.

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.

Abell 2744: too much substructure for ΛCDM? (2017)
Journal Article
Schwinn, J., Jauzac, M., Baugh, C., Bartelmann, M., Eckert, D., Harvey, D., …Massey, R. (2017). Abell 2744: too much substructure for ΛCDM?. Monthly Notices of the Royal Astronomical Society, 467(3), 2913-2923. https://doi.org/10.1093/mnras/stx277

The massive substructures found in Abell 2744 by Jauzac et al. present a challenge to the cold dark matter paradigm due to their number and proximity to the cluster centre. We use one of the biggest N-body simulations, the Millennium XXL, to investig... Read More about Abell 2744: too much substructure for ΛCDM?.

The evolution of the galaxy content of dark matter haloes (2016)
Journal Article
Contreras, S., Zehavi, I., Baugh, C., Padilla, N., & Norberg, P. (2017). The evolution of the galaxy content of dark matter haloes. Monthly Notices of the Royal Astronomical Society, 465(3), 2833-2848. https://doi.org/10.1093/mnras/stw2826

We use the halo occupation distribution (HOD) framework to characterize the predictions from two independent galaxy formation models for the galactic content of dark matter haloes and its evolution with redshift. Our galaxy samples correspond to a ra... Read More about The evolution of the galaxy content of dark matter haloes.