Cross-correlating Planck with VST ATLAS LRGs: a new test for the ISW effect in the Southern Hemisphere (2020)
Journal Article
Ansarinejad, B., Mackenzie, R., shanks, T., & Metcalfe, N. (2020). Cross-correlating Planck with VST ATLAS LRGs: a new test for the ISW effect in the Southern Hemisphere. Monthly Notices of the Royal Astronomical Society, 493(4), 4830-4844. https://doi.org/10.1093/mnras/staa592

The Integrated Sachs-Wolfe (ISW) effect probes the late-time expansion history of the universe, offering direct constraints on dark energy. Here we present our measurements of the ISW signal at redshifts of z¯=0.35⁠, 0.55 and 0.68, using the cross-co... Read More about Cross-correlating Planck with VST ATLAS LRGs: a new test for the ISW effect in the Southern Hemisphere.

Stellar Feedback and Resolved Stellar IFU Spectroscopy in the Nearby Spiral Galaxy NGC 300 (2020)
Journal Article
McLeod, A. F., Kruijssen, J. D., Weisz, D. R., Zeidler, P., Schruba, A., Dalcanton, J. J., …Byler, N. (2020). Stellar Feedback and Resolved Stellar IFU Spectroscopy in the Nearby Spiral Galaxy NGC 300. Astrophysical Journal, 891(1), https://doi.org/10.3847/1538-4357/ab6d63

We present MUSE integral field unit (IFU) observations of five individual H ii regions in two giant star-forming complexes in the low-metallicity, nearby dwarf spiral galaxy NGC 300. In combination with high spatial resolution Hubble Space Telescope... Read More about Stellar Feedback and Resolved Stellar IFU Spectroscopy in the Nearby Spiral Galaxy NGC 300.

The Ultraluminous X-ray sources population of the galaxy NGC 7456 (2020)
Journal Article
Pintore, F., Marelli, M., Salvaterra, R., Israel, G., Rodríguez Castillo, G., Esposito, P., …Middleton, M. (2020). The Ultraluminous X-ray sources population of the galaxy NGC 7456. Astrophysical Journal, 890(2), Article 166. https://doi.org/10.3847/1538-4357/ab6ffd

Ultraluminous X-ray sources (ULXs) are a class of accreting compact objects with X-ray luminosities above 1039 erg s−1. The ULX population counts several hundred objects but only a fraction are well studied. Here we present a detailed analysis of all... Read More about The Ultraluminous X-ray sources population of the galaxy NGC 7456.

LLAMA: The MBH–σ⋆ relation of the most luminous local AGNs (2020)
Journal Article
Caglar, T., Burtscher, L., Brandl, B., Brinchmann, J., Davies, R. I., Hicks, E. K., …Bennert, V. N. (2020). LLAMA: The MBH–σ⋆ relation of the most luminous local AGNs. Astronomy & Astrophysics, 634, Article A114. https://doi.org/10.1051/0004-6361/201936321

Context. The MBH–σ⋆ relation is considered a result of coevolution between the host galaxies and their supermassive black holes. For elliptical bulge hosting inactive galaxies, this relation is well established, but there is still discussion concerni... Read More about LLAMA: The MBH–σ⋆ relation of the most luminous local AGNs.

hybrid-lenstool: a self-consistent algorithm to model galaxy clusters with strong- and weak-lensing simultaneously (2020)
Journal Article
Richard, J., Natarajan, P., Kneib, J., Sharon, K., Limousin, M., Jullo, E., …Niemiec, A. (2020). hybrid-lenstool: a self-consistent algorithm to model galaxy clusters with strong- and weak-lensing simultaneously. Monthly Notices of the Royal Astronomical Society, 493(3), 3331-3340. https://doi.org/10.1093/mnras/staa473

We present a new galaxy cluster lens modelling approach, hybrid-LENSTOOL, that is implemented in the publicly available modelling software LENSTOOL. hybrid-LENSTOOL combines a parametric approach to model the core of the cluster, and a non-parametric... Read More about hybrid-lenstool: a self-consistent algorithm to model galaxy clusters with strong- and weak-lensing simultaneously.

Interpreting Observations of Absorption Lines in the Circumgalactic Medium with a Turbulent Medium (2020)
Journal Article
Buie, E., Fumagalli, M., & Scannapieco, E. (2020). Interpreting Observations of Absorption Lines in the Circumgalactic Medium with a Turbulent Medium. Astrophysical Journal, 890(1), Article 33. https://doi.org/10.3847/1538-4357/ab65bc

Single-phase photoionization equilibrium (PIE) models are often used to infer the underlying physical properties of galaxy halos probed in absorption with ions at different ionization potentials. To incorporate the effects of turbulence, we use the M... Read More about Interpreting Observations of Absorption Lines in the Circumgalactic Medium with a Turbulent Medium.

Discovering novae in early-type galaxies with MUSE: A chance find in NGC 1404, and 12 more candidates from an archival search (2020)
Journal Article
Smith, R. J. (2020). Discovering novae in early-type galaxies with MUSE: A chance find in NGC 1404, and 12 more candidates from an archival search. Monthly Notices of the Royal Astronomical Society: Letters, 494(1), L1-L5. https://doi.org/10.1093/mnrasl/slaa023

I report the discovery of a transient broad-Hα point source in the outskirts of the giant elliptical galaxy NGC 1404, discovered in archival observations taken with the Multi-Unit Spectroscopic Explorer (MUSE) integral field spectrograph. The Hα line... Read More about Discovering novae in early-type galaxies with MUSE: A chance find in NGC 1404, and 12 more candidates from an archival search.

The Vanishing and Appearing Sources during a Century of Observations Project. I. USNO Objects Missing in Modern Sky Surveys and Follow-up Observations of a “Missing Star” (2020)
Journal Article
Villarroel, B., Soodla, J., Comerón, S., Mattsson, L., Pelckmans, K., López-Corredoira, M., …Ward, M. J. (2020). The Vanishing and Appearing Sources during a Century of Observations Project. I. USNO Objects Missing in Modern Sky Surveys and Follow-up Observations of a “Missing Star”. Astronomical Journal, 159(1), Article 8. https://doi.org/10.3847/1538-3881/ab570f

In this paper we report the current status of a new research program. The primary goal of the "Vanishing and Appearing Sources during a Century of Observations" project is to search for vanishing and appearing sources using existing survey data to fi... Read More about The Vanishing and Appearing Sources during a Century of Observations Project. I. USNO Objects Missing in Modern Sky Surveys and Follow-up Observations of a “Missing Star”.

A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE): VI. Environmental quenching on HII-region scales (2020)
Journal Article
Boselli, A., Fossati, M., Longobardi, A., Boissier, S., Boquien, M., Braine, J., …Trinchieri, G. (2020). A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE): VI. Environmental quenching on HII-region scales. Astronomy & Astrophysics, 634, Article L1. https://doi.org/10.1051/0004-6361/201937310

The Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) is a blind narrow-band Hα + [NII] imaging survey of the Virgo cluster carried out with MegaCam at the Canada-French-Hawaii telescope. We use a new set of data extracted from VESTIG... Read More about A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE): VI. Environmental quenching on HII-region scales.

SCUBA-2 Ultra Deep Imaging EAO Survey (Studies). III. Multiwavelength Properties, Luminosity Functions, and Preliminary Source Catalog of 450 μm Selected Galaxies (2020)
Journal Article
Lim, C., Wang, W., Smail, I., Scott, D., Chen, C., Chang, Y., …Wang, T. (2020). SCUBA-2 Ultra Deep Imaging EAO Survey (Studies). III. Multiwavelength Properties, Luminosity Functions, and Preliminary Source Catalog of 450 μm Selected Galaxies. Astrophysical Journal, 889(2), Article 80. https://doi.org/10.3847/1538-4357/ab607f

We construct a SCUBA-2 450 μm map in the COSMOS field that covers an area of 300 arcmin2 and reaches a 1σ noise level of 0.65 mJy in the deepest region. We extract 256 sources detected at 450 μm with signal-to-noise ratios >4.0 and analyze the physic... Read More about SCUBA-2 Ultra Deep Imaging EAO Survey (Studies). III. Multiwavelength Properties, Luminosity Functions, and Preliminary Source Catalog of 450 μm Selected Galaxies.

Unsupervised star, galaxy, QSO classification: Application of HDBSCAN (2020)
Journal Article
Logan, C., & Fotopoulou, S. (2020). Unsupervised star, galaxy, QSO classification: Application of HDBSCAN. Astronomy & Astrophysics, 633, Article A154. https://doi.org/10.1051/0004-6361/201936648

Context. Classification will be an important first step for upcoming surveys aimed at detecting billions of new sources, such as LSST and Euclid, as well as DESI, 4MOST, and MOONS. The application of traditional methods of model fitting and colour-co... Read More about Unsupervised star, galaxy, QSO classification: Application of HDBSCAN.

An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Dust attenuation in high-redshift Lyman break Galaxies (2020)
Journal Article
Koprowski, M., Coppin, K., E. Geach, J., Dudzevičiūtė, U., Smail, I., Almaini, O., …Whitaker, K. (2020). An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Dust attenuation in high-redshift Lyman break Galaxies. Monthly Notices of the Royal Astronomical Society, 492(4), 4927-4944. https://doi.org/10.1093/mnras/staa160

We analyse 870μm Atacama Large Millimetre Array (ALMA) dust continuum detections of 41 canonically-selected z ≃ 3 Lyman-break galaxies (LBGs), as well as 209 ALMA-undetected LBGs, in follow-up of SCUBA-2 mapping of the UKIDSS Ultra Deep Survey (UDS)... Read More about An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Dust attenuation in high-redshift Lyman break Galaxies.

Direct Detection of Black Hole-driven Turbulence in the Centers of Galaxy Clusters (2020)
Journal Article
Li, Y., Gendron-Marsolais, M., Zhuravleva, I., Xu, S., Simionescu, A., Tremblay, G. R., …Vishniac, E. T. (2020). Direct Detection of Black Hole-driven Turbulence in the Centers of Galaxy Clusters. Astrophysical Journal Letters, 889(1), Article L1. https://doi.org/10.3847/2041-8213/ab65c7

Supermassive black holes (SMBHs) are thought to provide energy that prevents catastrophic cooling in the centers of massive galaxies and galaxy clusters. However, it remains unclear how this "feedback" process operates. We use high-resolution optical... Read More about Direct Detection of Black Hole-driven Turbulence in the Centers of Galaxy Clusters.

VIS3COS (2020)
Journal Article
Paulino-Afonso, A., Sobral, D., Darvish, B., Ribeiro, B., Smail, I., Best, P., …Cairns, J. (2020). VIS3COS. Astronomy & Astrophysics, 633, https://doi.org/10.1051/0004-6361/201834244

We present spectroscopic observations of 466 galaxies in and around a superstructure at z ∼ 0.84 targeted by the VIMOS Spectroscopic Survey of a Supercluster in the COSMOS field (VIS3COS). We use [OII]λ3727, Hδ, and Dn4000 to trace recent, medium-, a... Read More about VIS3COS.

Subaru FOCAS IFU observations of two z=0.12 strong-lensing elliptical galaxies from SDSS MaNGA (2020)
Journal Article
Smith, R. J., Collier, W. P., Ozaki, S., & Lucey, J. R. (2020). Subaru FOCAS IFU observations of two z=0.12 strong-lensing elliptical galaxies from SDSS MaNGA. Monthly Notices of the Royal Astronomical Society: Letters, 493(1), L33-L38. https://doi.org/10.1093/mnrasl/slaa003

We present new observations of two z = 0.12 strong-lensing elliptical galaxies, originally discovered from the SDSS-IV MaNGA survey, using the new FOCAS IFU spectrograph on the Subaru Telescope. For J1436+4943, our observations confirm the identifica... Read More about Subaru FOCAS IFU observations of two z=0.12 strong-lensing elliptical galaxies from SDSS MaNGA.

KASHz: No evidence for ionised outflows instantaneously suppressing star formation in moderate luminosity AGN at z∼1.4–2.6 (2020)
Journal Article
Scholtz, J., Harrison, C., Rosario, D., Alexander, D., Chen, C., Kakkad, D., …Stach, S. (2020). KASHz: No evidence for ionised outflows instantaneously suppressing star formation in moderate luminosity AGN at z∼1.4–2.6. Monthly Notices of the Royal Astronomical Society, 492(3), 3194-3216. https://doi.org/10.1093/mnras/staa030

As part of our KMOS AGN Survey at High-redshift (KASHz), we present spatially-resolved VLT/KMOS and VLT/SINFONI spectroscopic data and ALMA 870μm continuum imaging of eight z=1.4–2.6 moderate AGN (⁠L 2−10kev L2−10kev = 1042 − 1045 ergs s−1). We map [... Read More about KASHz: No evidence for ionised outflows instantaneously suppressing star formation in moderate luminosity AGN at z∼1.4–2.6.

Galaxy mergers in eagle do not induce a significant amount of black hole growth yet do increase the rate of luminous AGN (2020)
Journal Article
Patton, D. R., Johansson, P. H., Ellison, S. L., Alexander, D. M., Rosario, D. J., Harrison, C. M., & McAlpine, S. (2020). Galaxy mergers in eagle do not induce a significant amount of black hole growth yet do increase the rate of luminous AGN. Monthly Notices of the Royal Astronomical Society, https://doi.org/10.1093/mnras/staa1123

We investigate the connection between galaxy–galaxy mergers and enhanced black hole (BH) growth using the cosmological hydrodynamical eagle simulation. We do this via three methods of analysis, investigating: the merger fraction of AGN, the AGN fract... Read More about Galaxy mergers in eagle do not induce a significant amount of black hole growth yet do increase the rate of luminous AGN.