Publications (44)
Galaxy And Mass Assembly (GAMA): The large scale structure of galaxies and comparison to mock universes
Mehmet Alpaslan, Aaron S. G. Robotham, Simon Driver +18
From a volume limited sample of 45,542 galaxies and 6,000 groups with we use an adapted minimal spanning tree algorithm to identify and classify large scale structur…
The 2dF Galaxy Redshift Survey: The environmental dependence of galaxy star formation rates near clusters
Ian Lewis, Michael Balogh, Roberto De Propris +30
We have measured the equivalent width of the H-alpha emission line for 11006 galaxies brighter than M_b=-19 (LCDM) at 0.05<z<0.1 in the 2dF Galaxy Redshift Survey (2dF), in the fie…
Galaxy And Mass Assembly (GAMA): Understanding the wavelength dependence of galaxy structure with bulge-disc decompositions
Rebecca Kennedy, Steven P. Bamford, Boris HäuÃler +14
With a large sample of bright, low-redshift galaxies with opticalnear-IR imaging from the GAMA survey we use bulge-disc decompositions to understand the wavelength-dependent beh…
The Evolution of Ellipticals, Spirals and Irregulars: Overcoming Selection Bias
Simon Driver
The Hubble Deep Fields represent our best opportunity for probing galaxy evolution over a substantive look-back time. However as with any dataset the HDFs are prone to selection bi…
The Causes of the Red Sequence, the Blue Cloud, the Green Valley and the Green Mountain
Stephen Eales, Maarten Baes, Nathan Bourne +23
The galaxies found in optical surveys fall in two distinct regions of a diagram of optical colour versus absolute magnitude: the red sequence and the blue cloud with the green vall…
Measuring Cosmic Density of Neutral Hydrogen via Stacking the DINGO-VLA Data
Qingxiang Chen, Martin Meyer, Attila Popping +13
We use the 21 cm emission line data from the DINGO-VLA project to study the atomic hydrogen gas H\,{\textsc i} of the Universe at redshifts . Results are obtained using a st…
Deepest Near-IR Surface Photometry of Galaxies in the Local Sphere of Influence
Emma Kirby, Helmut Jerjen, Stuart Ryder +1
We present near-IR, deep (4 mag deeper than 2MASS) imaging of 56 Local Volume galaxies. Global parameters such as total magnitudes and stellar masses have been derived and the new…
Galaxy And Mass Assembly (GAMA): 'No Smoking' zone for giant elliptical galaxies?
Habib G. Khosroshahi, Mojtaba Raouf, Halime Miraghaei +8
We study the radio emission of the most massive galaxies in a sample of dynamically relaxed and un-relaxed galaxy groups from Galaxy and Mass Assembly (GAMA). The dynamical state o…
H-ATLAS/GAMA: Quantifying the Morphological Evolution of the Galaxy Population Using Cosmic Calorimetry
Stephen Eales, Andrew Fullard, Matthew Allen +28
Using results from the Herschel Astrophysical Terrahertz Large-Area Survey and the Galaxy and Mass Assembly project, we show that, for galaxy masses above approximately 1.0e8 solar…
The impact of the dynamical state of galaxy groups on the stellar populations of central galaxies
Mojtaba Raouf, Rory Smith, Habib G. Khosroshahi +4
We study the stellar populations of the brightest group galaxies (BGGs) in groups with different dynamical states, using GAMA survey data. We use two independent, luminosity depend…
The Infrared Properties of Sources Matched in the WISE all-sky and Herschel-ATLAS Surveys
Nicholas A. Bond, Dominic J. Benford, Jonathan P. Gardner +34
We describe the infrared properties of sources detected over ~36 deg^2 of sky in the GAMA 15-hr equatorial field, using data from both the Herschel Astrophysical Terahertz Large-Ar…
The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition
The MSE Science Team, Carine Babusiaux, Maria Bergemann +258
(Abridged) The Maunakea Spectroscopic Explorer (MSE) is an end-to-end science platform for the design, execution and scientific exploitation of spectroscopic surveys. It will unvei…
Galaxy And Mass Assembly: Deconstructing Bimodality - I. Red ones and blue ones
Edward N. Taylor, Andrew M. Hopkins, Ivan K. Baldry +18
We measure the mass functions for generically red and blue galaxies, using a z < 0.12 sample of log M* > 8.7 field galaxies from the Galaxy And Mass Assembly (GAMA) survey. Our mot…
Variations in the Bivariate Brightness Distribution with different galaxy types
Nicholas Cross, Simon Driver, David Lemon +1
We present Bivariate Brightness Distributions (BBDs) for four spectral types discriminated by the 2dFGRS. We discuss the photometry and completeness of the 2dFGRS using a deep, wid…
Deep Near-IR Surface Photometry of 57 Galaxies in the Local Sphere of Influence
Emma Kirby, Helmut Jerjen, Stuart Ryder +1
We present H-band surface photometry of 57 galaxies drawn from the Local Sphere of Influence (LSI) with distances of less than 10 Mpc from the Milky Way. The images with a typical…
Methods for coherent optical Doppler orbitography
Benjamin P. Dix-Matthews, Sascha W. Schediwy, David R. Gozzard +4
Doppler orbitography uses the Doppler shift in a transmitted signal to determine the orbital parameters of satellites including range and range-rate (or radial velocity). We descri…
A concise overview of the Maunakea Spectroscopic Explorer
Alan W. McConnachie, Carine Babusiaux, Michael Balogh +19
This short document is intended as a companion and introduction to the Detailed Science Case (DSC) for the Maunakea Spectroscopic Explorer. It provides a concise summary of the ess…
Explaining JWST counts with galaxy formation models
Giorgio Manzoni, Tom Broadhurst, Jeremy Lim +18
A distinct power-law break is apparent m_AB approximately 21 in the deep Near-Infrared PEARLS-JWST galaxy counts. The break becomes more pronounced at longer wavelengths, with the…
The New Galaxy Evolution Paradigm Revealed by the Herschel Surveys
Stephen Eales, Dan Smith, Nathan Bourne +22
The Herschel Space Observatory has revealed a very different galaxyscape from that shown by optical surveys which presents a challenge for galaxy-evolution models. The Herschel sur…
The eROSITA Final Equatorial Depth Survey (eFEDS): X-ray emission around star-forming and quiescent galaxies at
Johan Comparat, Nhut Truong, Andrea Merloni +21
We aim at characterizing the hot phase of the Circum-Galactic Medium in a large sample of galaxies. We stack X-ray events from the SRG/eROSITA eFEDS survey around central galaxies…
The SAMI Galaxy Survey: Kinematics of stars and gas in brightest group galaxies; the role of group dynamics
Mojtaba Raouf, Rory Smith, Habib G. Khosroshahi +17
We study the stellar and gas kinematics of the brightest group galaxies (BGGs) in dynamically relaxed and unrelaxed galaxy groups for a sample of 154 galaxies in the SAMI galaxy su…
The 2dF Galaxy Redshift Survey: The blue galaxy fraction and implications for the Butcher-Oemler effect
Roberto De Propris, Matthew Colless, John Peacock +28
We derive the fraction of blue galaxies in a sample of clusters at z < 0.11 and the general field at the same redshift. The value of the blue fraction is observed to depend on the…
The SuperCOSMOS Sky Survey. Paper I: Introduction and Description
Nigel Hambly, Harvey MacGillivray, Mike Read +11
In this, the first in a series of three papers concerning the SuperCOSMOS Sky Survey (SSS), we give an introduction and user guide to the survey programme. We briefly describe othe…
Galaxy and Mass Assembly (GAMA): galaxy radial alignments in GAMA groups
Michael D. Schneider, Shaun Cole, Carlos S. Frenk +10
We constrain the distributions of projected radial alignment angles of satellite galaxy shapes within the Galaxy And Mass Assembly survey group catalogue. We identify the galaxy gr…
Galaxy Mass Growth in GDDS and SDSS
Karl Glazebrook, Erin Mentuch, Pat McCarthy +3
I present some new results related to our understanding of the masses of galaxies both in the local and high-redshift Universe. At high-redshift new Spitzer data on galaxies in the…
The 2dF Galaxy Redshift Survey: the local E+A galaxy population
Chris Blake, Michael Pracy, Warrick Couch +27
We select a sample of low-redshift (z ~ 0.1) E+A galaxies from the 2dF Galaxy Redshift Survey (2dFGRS). The spectra of these objects are defined by strong hydrogen Balmer absorptio…
Internal colour gradients for E/S0 galaxies in Abell 2218
Roberto De Propris, Matthew Colless, Simon Driver +2
We determine colour gradients of magnitudes per decade in radius in F450WF606W and magnitudes per decade in radius in F606WF814W for a sampl…
The 2dF Galaxy Redshift Survey: Near Infrared Galaxy Luminosity Functions
Shaun Cole, Peder Norberg, Carlton Baugh +24
We combine the 2MASS extended source catalogue and the 2dFGRS to produce an IR selected galaxy catalogue with 17,173 measured redshifts. We use this extensive dataset to estimate t…
Paper 1: The JWST PEARLS View of the El Gordo Galaxy Cluster and of the Structure It Magnifies
Brenda L. Frye, Massimo Pascale, Nicholas Foo +41
The massive galaxy cluster El Gordo (z=0.87) imprints multitudes of gravitationally lensed arcs onto James Webb Space Telescope (JWST) Near-Infrared Camera (NIRCam) images. Eight b…
The Detailed Science Case for the Maunakea Spectroscopic Explorer: the Composition and Dynamics of the Faint Universe
Alan McConnachie, Carine Babusiaux, Michael Balogh +173
MSE is an 11.25m aperture observatory with a 1.5 square degree field of view that will be fully dedicated to multi-object spectroscopy. More than 3200 fibres will feed spectrograph…
Connecting the Baryons: Multiwavelength Data for SKA HI Surveys
Martin Meyer, Aaron Robotham, Danail Obreschkow +3
The science achievable with SKA HI surveys will be greatly increased through the combination of HI data with that at other wavelengths. These multiwavelength datasets will enable s…
Substructure Analysis of Selected Low Richness 2dFGRS Clusters of Galaxies
William S. Burgett, Michael M. Vick, David S. Davis +30
Complementary one-, two-, and three-dimensional tests for detecting the presence of substructure in clusters of galaxies are applied to recently obtained data from the 2dF Galaxy R…
INT-WFS + 2dFGRS: The Local Space & Luminosity Density
Nicholas Cross, Simon Driver, David Lemon
We discuss the quantification of the local galaxy population and the impact of the ``New Era of Wide-Field Astronomy'' on this field, and, in particular, systematic errors in the m…
The Distribution of Quenched Galaxies in the Massive z = 0.87 Galaxy Cluster El Gordo
Rachel Honor, Seth Cohen, Timothy Carleton +27
El Gordo (ACT-CL J01024915) is a massive galaxy cluster with two major mass components at redshift . Using SED fitting results from JWST/NIRCam photometry, the fraction…
The 2dF Galaxy Redshift Survey: A targeted study of catalogued clusters of galaxies
Roberto De Propris, Warrick Couch, Matthew Colless +27
We have carried out a study of known clusters within the 2dF Galaxy Redshift Survey (2dFGRS) observed areas and have identified 431 Abell, 173 APM and 343 EDCC clusters. Precise re…
WALLABY Early Science - I. The NGC 7162 Galaxy Group
Tristan N. Reynolds, Tobias Westmeier, Lister Staveley-Smith +21
We present Widefield ASKAP L-band Legacy All-sky Blind Survey (WALLABY) early science results from the Australian Square Kilometre Array Pathfinder (ASKAP) observations of the NGC…
Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph
Benedetta Vulcani, Steven P. Bamford, Boris HäuÃler +14
We investigate the relationship between colour and structure within galaxies using a large, volume-limited sample of bright, low-redshift galaxies with optical to near-infrared ima…
The LEGA-C and SAMI Galaxy Surveys: Quiescent Stellar Populations and the Mass-Size Plane across 6 Gyr
Tania M. Barone, Francesco D'Eugenio, Nicholas Scott +22
We investigate the change in mean stellar population age and metallicity ([Z/H]) scaling relations for quiescent galaxies from intermediate redshift () using th…
WST -- Widefield Spectroscopic Telescope: Motivation, science drivers and top-level requirements for a new dedicated facility
Roland Bacon, Vincenzo Maineiri, Sofia Randich +37
In this paper, we describe the wide-field spectroscopic survey telescope (WST) project. WST is a 12-metre wide-field spectroscopic survey telescope with simultaneous operation of a…
The JWST Discovery of the Triply-imaged Type Ia "Supernova H0pe" and Observations of the Galaxy Cluster PLCK G165.7+67.0
Brenda L. Frye, Massimo Pascale, Justin Pierel +39
A Type Ia supernova (SN) at was discovered in James Webb Space Telescope Near Infrared Camera imaging of the galaxy cluster PLCK G165.7+67.0 (G165; ). The SN is…
Galaxy And Mass Assembly: Estimating galaxy group masses via caustic analysis
Mehmet Alpaslan, Aaron S. G. Robotham, Simon Driver +12
We have generated complementary halo mass estimates for all groups in the Galaxy And Mass Assembly Galaxy Group Catalogue (GAMA G3Cv1) using a modified caustic mass estimation algo…
The Millennium Galaxy Catalogue: Star counts and the Structure of the Galactic Stellar Halo
David Lemon, Rosemary F. G. Wyse, Jochen Liske +2
We derive a star catalogue generated from the images taken as part of the 37.5 sq. deg Millennium Galaxy Catalogue. These data, alone and together with colours gained from the Sloa…
Galaxy and Mass Assembly (GAMA): Fine filaments of galaxies detected within voids
Mehmet Alpaslan, Aaron S. G. Robotham, Danail Obreschkow +15
Based on data from the Galaxy and Mass Assembly (GAMA) survey, we report on the discovery of structures that we refer to as `tendrils' of galaxies: coherent, thin chains of galaxie…
Galaxy And Mass Assembly (GAMA): Trends in galaxy colours, morphology, and stellar populations with large scale structure, group, and pair environments
Mehmet Alpaslan, Simon Driver, Aaron S. G. Robotham +32
We explore trends in galaxy properties with Mpc-scale structures using catalogues of environment and large scale structure from the Galaxy And Mass Assembly (GAMA) survey. Existing…