Professor Peder Norberg's Outputs (198)

Stellar populations and physical properties of starbursts in the antennae galaxy from self-consistent modelling of MUSE spectra (2020)
Journal Article
Gunawardhana, M., Brinchmann, J., Weilbacher, P., Norberg, P., Monreal-Ibero, A., Nanayakkara, T., den Brok, M., Boogaard, L., & Kollatschny, W. (2020). Stellar populations and physical properties of starbursts in the antennae galaxy from self-consistent modelling of MUSE spectra. Monthly Notices of the Royal Astronomical Society, 497(3), 3860-3895. https://doi.org/10.1093/mnras/staa2158

We have modelled the stellar and nebular continua and emission-line intensity ratios of massive stellar populations in the Antennae galaxy using high resolution and self-consistent libraries of model H II regions around central clusters of ageing sta... Read More about Stellar populations and physical properties of starbursts in the antennae galaxy from self-consistent modelling of MUSE spectra.

An optimized tiling pattern for multiobject spectroscopic surveys: application to the 4MOST survey (2020)
Journal Article
Tempel, E., Tuvikene, T., Muru, M., Stoica, R., Bensby, T., Chiappini, C., Christlieb, N., Cioni, M.-R., Comparat, J., Feltzing, S., Hook, I., Koch, A., Kordopatis, G., Krumpe, M., Loveday, J., Minchev, I., Norberg, P., Roukema, B., Sorce, J., Storm, J., …de Jong, R. (2020). An optimized tiling pattern for multiobject spectroscopic surveys: application to the 4MOST survey. Monthly Notices of the Royal Astronomical Society, 497(4), 4626-4643. https://doi.org/10.1093/mnras/staa2285

Large multiobject spectroscopic surveys require automated algorithms to optimize their observing strategy. One of the most ambitious upcoming spectroscopic surveys is the 4MOST survey. The 4MOST survey facility is a fibre-fed spectroscopic instrument... Read More about An optimized tiling pattern for multiobject spectroscopic surveys: application to the 4MOST survey.

Probabilistic fibre-to-target assignment algorithm for multi-object spectroscopic surveys (2020)
Journal Article
Tempel, E., Norberg, P., Tuvikene, T., Bensby, T., Chiappini, C., Christlieb, N., Cioni, M.-R., Comparat, J., Davies, L., Guiglion, G., Koch, A., Kordopatis, G., Krumpe, M., Loveday, J., Merloni, A., Micheva, G., Minchev, I., Roukema, B., Sorce, J., Starkenburg, E., …de Jong, R. (2020). Probabilistic fibre-to-target assignment algorithm for multi-object spectroscopic surveys. Astronomy & Astrophysics, 635, Article A101. https://doi.org/10.1051/0004-6361/201937228

Context. Several new multi-object spectrographs are currently planned or under construction that are capable of observing thousands of Galactic and extragalactic objects simultaneously. Aims. In this paper we present a probabilistic fibre-to-target a... Read More about Probabilistic fibre-to-target assignment algorithm for multi-object spectroscopic surveys.

Estimating the galaxy two-point correlation function using a split random catalog (2019)
Journal Article
Keihänen, E., Kurki-Suonio, H., Lindholm, V., Viitanen, A., Suur-Uski, A.-S., Allevato, V., Branchini, E., Marulli, F., Norberg, P., Tavagnacco, D., de la Torre, S., Valiviita, J., Viel, M., Bel, J., Frailis, M., & Sánchez, A. (2019). Estimating the galaxy two-point correlation function using a split random catalog. Astronomy & Astrophysics, 631, Article A73. https://doi.org/10.1051/0004-6361/201935828

The two-point correlation function of the galaxy distribution is a key cosmological observable that allows us to constrain the dynamical and geometrical state of our Universe. To measure the correlation function we need to know both the galaxy positi... Read More about Estimating the galaxy two-point correlation function using a split random catalog.

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.

The PAU Survey: early demonstration of photometric redshift performance in the COSMOS field (2019)
Journal Article
Eriksen, M., Alarcon, A., Gaztanaga, E., Amara, A., Cabayol, L., Carretero, J., …Tortorelli, L. (2019). The PAU Survey: early demonstration of photometric redshift performance in the COSMOS field. Monthly Notices of the Royal Astronomical Society, 484(3), 4200-4215. https://doi.org/10.1093/mnras/stz204

The Physics of the Accelerating Universe Survey (PAUS) is an innovative photometric survey with 40 narrow-bands at the William Herschel Telescope (WHT). The narrow-bands are spaced at 100 Å intervals covering the range 4500–8500 Å and, in combination... Read More about The PAU Survey: early demonstration of photometric redshift performance in the COSMOS field.

Correcting for fibre assignment incompleteness in the DESI Bright Galaxy Survey (2019)
Journal Article
Smith, A., He, J.-H., Cole, S., Stothert, L., Norberg, P., Baugh, C., Bianchi, D., Wilson, M. J., Brooks, D., Forero-Romero, J. E., Moustakas, J., Percival, W. J., Tarle, G., & 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.

Galaxy and Mass Assembly (GAMA): The environmental dependence of the galaxy main sequence (2018)
Journal Article
Wang, L., Norberg, P., Brough, S., Brown, M., da Cunha, E., Davies, L., Driver, S., Holwerda, B., Hopkins, A., Lara-Lopez, M., Liske, J., Loveday, J., Grootes, M., Popescu, C., & Wright, A. (2018). Galaxy and Mass Assembly (GAMA): The environmental dependence of the galaxy main sequence. Astronomy & Astrophysics, 618, Article A1. https://doi.org/10.1051/0004-6361/201832697

Aims: We aim to investigate if the environment (characterised by the host dark matter halo mass) plays any role in shaping the galaxy star formation main sequence (MS). Methods: The Galaxy and Mass Assembly project (GAMA) combines a spectroscopic sur... Read More about Galaxy and Mass Assembly (GAMA): The environmental dependence of the galaxy main sequence.

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., Castander, F., Eriksen, M., Fernandez, E., Fosalba, P., Garcia-Bellido, J., Gaztanaga, E., Hoekstra, H., Padilla, C., Refregier, A., Sanchez, E., & 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.

The impact of assembly bias on the halo occupation in hydrodynamical simulations (2018)
Journal Article
Artale, M., Zehavi, I., Contreras, S., & Norberg, P. (2018). The impact of assembly bias on the halo occupation in hydrodynamical simulations. Monthly Notices of the Royal Astronomical Society, 480(3), 3978-3992. https://doi.org/10.1093/mnras/sty2110

We investigate the variations in galaxy occupancy of the dark matter haloes with the large-scale environment and halo formation time, using two state-of-the-art hydrodynamical cosmological simulations, EAGLE and Illustris. For both simulations, we us... Read More about The impact of assembly bias on the halo occupation in hydrodynamical simulations.

Multiwavelength scaling relations in galaxy groups: a detailed comparison of GAMA and KiDS observations to BAHAMAS simulations (2018)
Journal Article
Jakobs, A., Viola, M., McCarthy, I., van Waerbeke, L., Hoekstra, H., Robotham, A., Hinshaw, G., Hojjati, A., Tanimura, H., Tröster, T., Baldry, I., Heymans, C., Hildebrandt, H., Kuijken, K., Norberg, P., Schaye, J., Sifón, C., van Uitert, E., Valentijn, E., Verdoes Kleijn, G., & Wang, L. (2018). Multiwavelength scaling relations in galaxy groups: a detailed comparison of GAMA and KiDS observations to BAHAMAS simulations. Monthly Notices of the Royal Astronomical Society, 480(3), 3338-3355. https://doi.org/10.1093/mnras/sty2017

We study the scaling relations between the baryonic content and total mass of groups of galaxies, as these systems provide a unique way to examine the role of non-gravitational processes in structure formation. Using Planck and ROSAT data, we conduct... Read More about Multiwavelength scaling relations in galaxy groups: a detailed comparison of GAMA and KiDS observations to BAHAMAS simulations.

Galaxy And Mass Assembly (GAMA): the signatures of galaxy interactions as viewed from small scale galaxy clustering (2018)
Journal Article
Gunawardhana, M., Norberg, P., Zehavi, I., Farrow, D., Loveday, J., Hopkins, A., Davies, L., Wang, L., Alpaslan, M., Bland-Hawthorn, J., Brough, S., Holwerda, B., Owers, M., & Wright, A. (2018). Galaxy And Mass Assembly (GAMA): the signatures of galaxy interactions as viewed from small scale galaxy clustering. Monthly Notices of the Royal Astronomical Society, 479(2), 1433-1464. https://doi.org/10.1093/mnras/sty1638

Statistical studies of galaxy–galaxy interactions often utilize net change in physical properties of progenitors as a function of the separation between their nuclei to trace both the strength and the observable time-scale of their interaction. In th... Read More about Galaxy And Mass Assembly (GAMA): the signatures of galaxy interactions as viewed from small scale galaxy clustering.

Galaxy Tagging: photometric redshift refinement and group richness enhancement (2018)
Journal Article
Kafle, P., Robotham, A., Driver, S., Deeley, S., Norberg, P., Drinkwater, M., & Davies, L. (2018). Galaxy Tagging: photometric redshift refinement and group richness enhancement. Monthly Notices of the Royal Astronomical Society, 479(3), 3746-3758. https://doi.org/10.1093/mnras/sty1536

We present a new scheme, galtag, for refining the photometric redshift measurements of faint galaxies by probabilistically tagging them to observed galaxy groups constructed from a brighter, magnitude-limited spectroscopy survey. First, this method i... Read More about Galaxy Tagging: photometric redshift refinement and group richness enhancement.

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.

Galaxy And Mass Assembly: the G02 field, Herschel-ATLAS target selection and data release 3 (2017)
Journal Article
Baldry, I., Liske, J., Brown, M., Robotham, A., Driver, S., Dunne, L., …Wilkins, S. (2018). Galaxy And Mass Assembly: the G02 field, Herschel-ATLAS target selection and data release 3. Monthly Notices of the Royal Astronomical Society, 474(3), 3875-3888. https://doi.org/10.1093/mnras/stx3042

We describe data release 3 (DR3) of the Galaxy And Mass Assembly (GAMA) survey. The GAMA survey is a spectroscopic redshift and multiwavelength photometric survey in three equatorial regions each of 60.0 deg2 (G09, G12, and G15), and two southern reg... Read More about Galaxy And Mass Assembly: the G02 field, Herschel-ATLAS target selection and data release 3.

Galaxy and Mass Assembly (GAMA): small-scale anisotropic galaxy clustering and the pairwise velocity dispersion of galaxies (2017)
Journal Article
Loveday, J., Christodoulou, L., Norberg, P., Peacock, J., Baldry, I., Bland-Hawthorn, J., …Taylor, E. (2018). Galaxy and Mass Assembly (GAMA): small-scale anisotropic galaxy clustering and the pairwise velocity dispersion of galaxies. Monthly Notices of the Royal Astronomical Society, 474(3), 3435-3450. https://doi.org/10.1093/mnras/stx2971

The galaxy pairwise velocity dispersion (PVD) can provide important tests of non-standard gravity and galaxy formation models. We describe measurements of the PVD of galaxies in the Galaxy and Mass Assembly (GAMA) survey as a function of projected se... Read More about Galaxy and Mass Assembly (GAMA): small-scale anisotropic galaxy clustering and the pairwise velocity dispersion of galaxies.

The abundance of ultra-diffuse galaxies from groups to clusters (2017)
Journal Article
van der Burg, R. F., Hoekstra, H., Muzzin, A., Sifón, C., Viola, M., Bremer, M. N., …Valentijn, E. (2017). The abundance of ultra-diffuse galaxies from groups to clusters. Astronomy & Astrophysics, 607, Article A79. https://doi.org/10.1051/0004-6361/201731335

In recent years, many studies have reported substantial populations of large galaxies with low surface brightness in local galaxy clusters. Various theories that aim to explain the presence of such ultra-diffuse galaxies (UDGs) have since been propos... Read More about The abundance of ultra-diffuse galaxies from groups to clusters.

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.

Galaxy-galaxy lensing in EAGLE: comparison with data from 180 deg² of the KiDS and GAMA surveys (2017)
Journal Article
Velliscig, M., Cacciato, M., Hoekstra, H., Schaye, J., Heymans, C., Hildebrandt, H., …Kuijken, K. (2017). Galaxy-galaxy lensing in EAGLE: comparison with data from 180 deg² of the KiDS and GAMA surveys. Monthly Notices of the Royal Astronomical Society, 471(3), 2856-2870. https://doi.org/10.1093/mnras/stx1789

We present predictions for the galaxy–galaxy lensing (GGL) profile from the EAGLE hydrodynamical cosmological simulation at redshift z = 0.18, in the spatial range 0.02 < R/(h− 1 Mpc) < 2, and for five logarithmically equispaced stellar mass bins in... Read More about Galaxy-galaxy lensing in EAGLE: comparison with data from 180 deg² of the KiDS and GAMA surveys.