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Mid-infrared luminous quasars in the GOODS–Herschel fields: a large population of heavily obscured, Compton-thick quasars at z ≈ 2 (2015)
Journal Article
Del Moro, A., Alexander, D., Bauer, F., Daddi, E., Kocevski, D., McIntosh, D., …Xue, Y. (2016). Mid-infrared luminous quasars in the GOODS–Herschel fields: a large population of heavily obscured, Compton-thick quasars at z ≈ 2. Monthly Notices of the Royal Astronomical Society, 456(2), 2105-2125. https://doi.org/10.1093/mnras/stv2748

We present the infrared (IR) and X-ray properties of a sample of 33 mid-IR luminous quasars (νL6 μm ≥ 6 × 1044 erg s−1) at redshift z ≈ 1–3, identified through detailed spectral energy distribution analyses of distant star-forming galaxies, using the... Read More about Mid-infrared luminous quasars in the GOODS–Herschel fields: a large population of heavily obscured, Compton-thick quasars at z ≈ 2.

The KMOS AGN Survey at High redshift (KASHz): the prevalence and drivers of ionized outflows in the host galaxies of X-ray AGN (2015)
Journal Article
Harrison, C., Alexander, D., Mullaney, J., Stott, J., Swinbank, A., Arumugam, V., …Sharples, R. (2016). The KMOS AGN Survey at High redshift (KASHz): the prevalence and drivers of ionized outflows in the host galaxies of X-ray AGN. Monthly Notices of the Royal Astronomical Society, 456(2), 1195-1220. https://doi.org/10.1093/mnras/stv2727

We present the first results from the KMOS (K-band Multi-Object Spectrograph) AGN (active galactic nuclei) Survey at High redshift (KASHz), a VLT/KMOS integral-field spectroscopic (IFS) survey of z ≳ 0.6 AGN. We present galaxy-integrated spectra of 8... Read More about The KMOS AGN Survey at High redshift (KASHz): the prevalence and drivers of ionized outflows in the host galaxies of X-ray AGN.

The masses of satellites in GAMA galaxy groups from 100 square degrees of KiDS weak lensing data (2015)
Journal Article
Sifón, C., Cacciato, M., Hoekstra, H., Brouwer, M., van Uitert, E., Viola, M., …Kleijn, G. (2015). The masses of satellites in GAMA galaxy groups from 100 square degrees of KiDS weak lensing data. Monthly Notices of the Royal Astronomical Society, 454(4), 3938-3951. https://doi.org/10.1093/mnras/stv2051

We use the first 100 deg2 of overlap between the Kilo-Degree Survey and the Galaxy And Mass Assembly survey to determine the average galaxy halo mass of ∼10 000 spectroscopically confirmed satellite galaxies in massive (M > 1013 h−1 M⊙) galaxy groups... Read More about The masses of satellites in GAMA galaxy groups from 100 square degrees of KiDS weak lensing data.

The Spatial Distribution of the Young Stellar Clusters in the Star-forming Galaxy NGC 628 (2015)
Journal Article
Grasha, K., Calzetti, D., Adamo, A., Kim, H., Elmegreen, B., Gouliermis, D., …Wofford, A. (2015). The Spatial Distribution of the Young Stellar Clusters in the Star-forming Galaxy NGC 628. Astrophysical Journal, 815(2), https://doi.org/10.1088/0004-637x/815/2/93

We present a study of the spatial distribution of the stellar cluster populations in the star-forming galaxy NGC 628. Using Hubble Space Telescope broadband WFC3/UVIS UV and optical images from the Treasury Program LEGUS (Legacy ExtraGalactic UV Surv... Read More about The Spatial Distribution of the Young Stellar Clusters in the Star-forming Galaxy NGC 628.

NuSTAR catches the unveiling nucleus of NGC 1068 (2015)
Journal Article
Marinucci, A., Bianchi, S., Matt, G., Alexander, D., Baloković, M., Bauer, F., …Walton, D. (2016). NuSTAR catches the unveiling nucleus of NGC 1068. Monthly Notices of the Royal Astronomical Society: Letters, 456(1), L94-L98. https://doi.org/10.1093/mnrasl/slv178

We present a NuSTAR and XMM–Newton monitoring campaign in 2014/2015 of the Compton-thick Seyfert 2 galaxy, NGC 1068. During the 2014 August observation, we detect with NuSTAR a flux excess above 20 keV (32 ± 6 per cent) with respect to the 2012 Decem... Read More about NuSTAR catches the unveiling nucleus of NGC 1068.

The NuSTAR Extragalactic Survey: First Direct Measurements of the \gsim10 KeV X-Ray Luminosity Function for Active Galactic Nuclei at z > 0.1 (2015)
Journal Article
Aird, J., Alexander, D., Ballantyne, D., Civano, F., Del-Moro, A., Hickox, R., …Zhang, W. (2015). The NuSTAR Extragalactic Survey: First Direct Measurements of the \gsim10 KeV X-Ray Luminosity Function for Active Galactic Nuclei at z > 0.1. Astrophysical Journal, 815(1), Article 66. https://doi.org/10.1088/0004-637x/815/1/66

We present the first direct measurements of the rest-frame 10–40 keV X-ray luminosity function (XLF) of active galactic nuclei (AGNs) based on a sample of 94 sources at 0.1 < z < 3, selected at 8–24 keV energies from sources in the Nuclear Spectrosco... Read More about The NuSTAR Extragalactic Survey: First Direct Measurements of the \gsim10 KeV X-Ray Luminosity Function for Active Galactic Nuclei at z > 0.1.

NuSTAR Observations of the Compton-thick Active Galactic Nucleus and Ultraluminous X-Ray Source Candidate in NGC 5643 (2015)
Journal Article
Annuar, A., Gandhi, P., Alexander, D., Lansbury, G., Arevalo, P., Ballantyne, D., …Zhang, W. (2015). NuSTAR Observations of the Compton-thick Active Galactic Nucleus and Ultraluminous X-Ray Source Candidate in NGC 5643. Astrophysical Journal, 815(1), Article 36. https://doi.org/10.1088/0004-637x/815/1/36

We present two Nuclear Spectroscopic Telescope Array (NuSTAR) observations of the local Seyfert 2 active galactic nucleus (AGN) and an ultraluminous X-ray source (ULX) candidate in NGC 5643. Together with archival data from Chandra, XMM-Newton, and S... Read More about NuSTAR Observations of the Compton-thick Active Galactic Nucleus and Ultraluminous X-Ray Source Candidate in NGC 5643.

ALMA Deep Field in SSA22: A Concentration of Dusty Starbursts in a z = 3.09 Protocluster Core (2015)
Journal Article
Umehata, H., Tamura, Y., Kohno, K., Ivison, R., Alexander, D., Geach, J., …Yun, M. (2015). ALMA Deep Field in SSA22: A Concentration of Dusty Starbursts in a z = 3.09 Protocluster Core. Astrophysical Journal Letters, 815, Article L8. https://doi.org/10.1088/2041-8205/815/1/l8

We report the results of 1farcm5 × 3' mapping at 1.1 mm with the Atacama Large Millimeter/submillimeter Array toward the central region of the z = 3.09 SSA22 protocluster. By combining our source catalog with archival spectroscopic redshifts, we find... Read More about ALMA Deep Field in SSA22: A Concentration of Dusty Starbursts in a z = 3.09 Protocluster Core.

A Hubble diagram for quasars (2015)
Journal Article
Risaliti, G., & Lusso, E. (2015). A Hubble diagram for quasars. Astrophysical Journal, 815(1), Article 33. https://doi.org/10.1088/0004-637x/815/1/33

We present a new method to test the ΛCDM cosmological model and to estimate cosmological parameters based on the nonlinear relation between the ultraviolet and X-ray luminosities of quasars. We built a data set of 1138 quasars by merging several samp... Read More about A Hubble diagram for quasars.

The physical properties of z > 2 Lyman limit systems: new constraints for feedback and accretion models (2015)
Journal Article
Fumagalli, M., O'Meara, J., & Prochaska, J. (2016). The physical properties of z > 2 Lyman limit systems: new constraints for feedback and accretion models. Monthly Notices of the Royal Astronomical Society, 455(4), 4100-4121. https://doi.org/10.1093/mnras/stv2616

e study the physical properties of a homogeneous sample of 157 optically thick absorption line systems at redshifts ∼1.8–4.4, selected from a high-dispersion spectroscopic survey of Lyman limit systems (LLSs). By means of multiple ionization models a... Read More about The physical properties of z > 2 Lyman limit systems: new constraints for feedback and accretion models.

Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV-far-IR) and the low-z energy budget (2015)
Journal Article
Driver, S. P., Wright, A. H., Andrews, S. K., Davies, L. J., Kafle, P. R., Lange, R., …Williams, R. (2016). Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV-far-IR) and the low-z energy budget. Monthly Notices of the Royal Astronomical Society, 455(4), 3911-3942. https://doi.org/10.1093/mnras/stv2505

We present the Galaxy And Mass Assembly (GAMA) Panchromatic Data Release (PDR) constituting over 230 deg2 of imaging with photometry in 21 bands extending from the far-UV to the far-IR. These data complement our spectroscopic campaign of over 300k ga... Read More about Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV-far-IR) and the low-z energy budget.

Warm-hot baryons comprise 5-10 per cent of filaments in the cosmic web (2015)
Journal Article
Eckert, D., Jauzac, M., Shan, H., Kneib, J., Erben, T., Israel, H., …Tchernin, C. (2015). Warm-hot baryons comprise 5-10 per cent of filaments in the cosmic web. Nature, 528, 105-107. https://doi.org/10.1038/nature16058

Observations of the cosmic microwave background indicate that baryons account for 5 per cent of the Universe’s total energy content1. In the local Universe, the census of all observed baryons falls short of this estimate by a factor of two2, 3. Cosmo... Read More about Warm-hot baryons comprise 5-10 per cent of filaments in the cosmic web.

LoCuSS: Testing hydrostatic equilibrium in galaxy clusters (2015)
Journal Article
Smith, G., Mazzotta, P., Okabe, N., Ziparo, F., Mulroy, S., Babul, A., …Umetsu, K. (2016). LoCuSS: Testing hydrostatic equilibrium in galaxy clusters. Monthly Notices of the Royal Astronomical Society: Letters, 456(1), L74-L78. https://doi.org/10.1093/mnrasl/slv175

We test the assumption of hydrostatic equilibrium in an X-ray luminosity selected sample of 50 galaxy clusters at 0.15 < z < 0.3 from the Local Cluster Substructure Survey (LoCuSS). Our weak-lensing measurements of M500 control systematic biases to s... Read More about LoCuSS: Testing hydrostatic equilibrium in galaxy clusters.