Publications (168)
Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions
Simon P. Driver, Sabine Bellstedt, Aaron S. G. Robotham +67
In Galaxy And Mass Assembly Data Release 4 (GAMA DR4), we make available our full spectroscopic redshift sample. This includes 248682 galaxy spectra, and, in combination with earli…
A Study of Central Galaxy Rotation with Stellar Mass and Environment
Paola Oliva-Altamirano, Sarah Brough, Kim-Vy Tran +11
We present a pilot analysis of the influence of galaxy stellar mass and cluster environment on the probability of slow rotation in 22 central galaxies at mean redshift . Th…
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…
Southern GEMS Groups I: Dynamical Properties
Sarah Brough, Duncan Forbes, Virginia Kilborn +1
Here we present an investigation of the properties of 16 nearby galaxy groups and their constituent galaxies. The groups are selected from the Group Evolution Multi-wavelength Stud…
Galaxy And Mass Assembly (GAMA): Bulge-disk decomposition of KiDS data in the nearby universe
Sarah Casura, Jochen Liske, Aaron S. G. Robotham +10
We derive single Sérsic fits and bulge-disk decompositions for 13096 galaxies at redshifts z < 0.08 in the GAMA II equatorial survey regions in the Kilo-Degree Survey (KiDS) g, r…
The abundance of ultra-diffuse galaxies from groups to clusters: UDGs are relatively more common in more massive haloes
Remco F. J. van der Burg, Henk Hoekstra, Adam Muzzin +17
In recent years, multiple studies have reported substantial populations of large, low-surface-brightness galaxies in local galaxy clusters. Various theories that aim to explain the…
Angular Momenta, Dynamical Masses, and Mergers of Brightest Cluster Galaxies
Jimmy, Kim-Vy Tran, Sarah Brough +4
Using the VIMOS Integral Field Unit (IFU) spectrograph on the Very Large Telescope (VLT), we have spatially mapped the kinematic properties of 10 nearby Brightest Cluster Galaxies…
The SAMI Galaxy Survey: large-scale environment affects galaxy spin amplitudes and the formation of slow rotators
Stefania Barsanti, Scott M. Croom, Matthew Colless +9
We explore the impact of the large-scale 3D density field, as defined by deep, wide-field galaxy surveys, on stellar spin () and the distributions of fast and slow ro…
First Science with SAMI: A Serendipitously Discovered Galactic Wind in ESO 185-G031
Lisa M. R. Fogarty, Joss Bland-Hawthorn, Scott M. Croom +27
We present the first scientific results from the Sydney-AAO Multi-Object IFS (SAMI) at the Anglo-Australian Telescope. This unique instrument deploys 13 fused fibre bundles (hexabu…
Bright Star Subtraction Pipeline for LSST: Progress Review
Amir E. Bazkiaei, Lee S. Kelvin, Sarah Brough +3
We present the Bright Star Subtraction (BSS) pipeline for the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST). This pipeline generates an extended PSF model usin…
Galaxy-Galaxy Lensing in EAGLE: comparison with data from 180 square degrees of the KiDS and GAMA surveys
Marco Velliscig, Marcello Cacciato, Henk Hoekstra +14
We present predictions for the galaxy-galaxy lensing profile from the EAGLE hydrodynamical cosmological simulation at redshift z=0.18, in the spatial range 0.02 < R/(Mpc/h) < 2, an…
Eridanus - A Supergroup in the Local Universe?
Sarah Brough, Duncan Forbes, Virginia Kilborn +2
We examine a possible supergroup in the direction of the Eridanus constellation using 6dF Galaxy Survey second data release (6dFGS DR2) positions and velocities together with 2MASS…
Comparison and verification methods to trace interaction-driven disturbances in galaxies
Haotian Lyu, Sarah Brough, Aman Khalid +2
Low surface brightness tidal debris around galaxies, such as tails, streams, and shells, together with other interaction-driven morphological disturbances, serve as valuable indica…
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…
The WiggleZ Dark Energy Survey: small-scale clustering of Lyman Break Galaxies at z < 1
Chris Blake, Russell Jurek, Sarah Brough +15
The WiggleZ Dark Energy Survey is a large-scale structure survey of intermediate-redshift UV-selected emission-line galaxies scheduled to cover 1000 sq deg, spanning a broad redshi…
The SAMI Galaxy Survey: a new method to estimate molecular gas surface densities from star formation rates
Christoph Federrath, Diane M. Salim, Anne M. Medling +16
Stars form in cold molecular clouds. However, molecular gas is difficult to observe because the most abundant molecule (H2) lacks a permanent dipole moment. Rotational transitions…
The stellar-to-halo mass relation of GAMA galaxies from 100 square degrees of KiDS weak lensing data
Edo van Uitert, Marcello Cacciato, Henk Hoekstra +26
We study the stellar-to-halo mass relation of central galaxies in the range 9.7<log_10(M_*/h^-2 M_sun)<11.7 and z<0.4, obtained from a combined analysis of the Kilo Degree Survey (…
Spatial Correlation Between Dust and H Emission in Dwarf Irregular Galaxies
Jimmy, Kim-Vy Tran, Amélie Saintonge +5
Using a sample of dwarf irregular galaxies selected from the ALFALFA blind HI-survey and observed using the VIMOS IFU, we investigate the relationship between H emission and Ba…
The WiggleZ Dark Energy Survey: Joint measurements of the expansion and growth history at z < 1
Chris Blake, Sarah Brough, Matthew Colless +23
We perform a joint determination of the distance-redshift relation and cosmic expansion rate at redshifts z = 0.44, 0.6 and 0.73 by combining measurements of the baryon acoustic pe…
Different higher-order kinematics between star-forming and quiescent galaxies based on the SAMI, MAGPI and LEGA-C surveys
Francesco D'Eugenio, Arjen van der Wel, Caro Derkenne +38
We present the first statistical study of spatially integrated non-Gaussian stellar kinematics spanning 7 Gyr in cosmic time. We use deep, rest-frame optical spectroscopy of massiv…
The SAMI Galaxy Survey: the third and final data release
Scott M. Croom, Matt S. Owers, Nicholas Scott +38
We have entered a new era where integral-field spectroscopic surveys of galaxies are sufficiently large to adequately sample large-scale structure over a cosmologically significant…
Galaxy And Mass Assembly (GAMA): Refining the Local Galaxy Merger Rate using Morphological Information
Kevin R. V. Casteels, Christopher J. Conselice, Steven P. Bamford +16
We use the Galaxy And Mass Assembly (GAMA) survey to measure the local Universe mass dependent merger fraction and merger rate using galaxy pairs and the CAS structural method, whi…
The SAMI Galaxy Survey: Gas velocity dispersions in low- star-forming galaxies and the drivers of turbulence
Mathew R. Varidel, Scott M. Croom, Geraint F. Lewis +18
We infer the intrinsic ionised gas kinematics for 383 star-forming galaxies across a range of integrated star-formation rates (SFR M yr) at $z…
The SAMI Galaxy Survey: The internal orbital structure and mass distribution of passive galaxies from triaxial orbit-superposition Schwarzschild models
Giulia Santucci, Sarah Brough, Jesse van de Sande +17
Dynamical models are crucial for uncovering the internal dynamics of galaxies, however, most of the results to date assume axisymmetry, which is not representative for a significan…
Galaxy and Mass Assembly (GAMA): Variation in Galaxy Structure Across the Green Valley
Lee S. Kelvin, Malcolm N. Bremer, Steven Phillipps +26
Using a sample of 472 local Universe (z<0.06) galaxies in the stellar mass range 10.25 < log M*/M_sun < 10.75, we explore the variation in galaxy structure as a function of morphol…
The Vera Rubin Observatory Legacy Survey of Space and Time and the Low Surface Brightness Universe
Sarah Brough, Chris Collins, Ricardo Demarco +6
The 8.4m Vera Rubin Observatory Legacy Survey of Space and Time (LSST) will start a ten-year survey of the southern hemisphere sky in 2023. LSST will revolutionise low surface brig…
The Stellar Masses of ~40,000 UV Selected Galaxies from the WiggleZ Survey at 0.3<z<1.0: Analogues of Lyman Break Galaxies?
Manda Banerji, Karl Glazebrook, Chris Blake +24
We characterise the stellar masses and star formation rates in a sample of almost 40000 spectroscopically confirmed UV luminous galaxies at 0.3<z<1.0 selected from within the Wiggl…
The SAMI Galaxy Survey: gravitational potential and surface density drive stellar populations -- I. early-type galaxies
Tania M. Barone, Francesco D'Eugenio, Matthew Colless +15
The well-established correlations between the mass of a galaxy and the properties of its stars are considered evidence for mass driving the evolution of the stellar population. How…
The SAMI Galaxy Survey: mass-kinematics scaling relations
Dilyar Barat, Francesco D'Eugenio, Matthew Colless +17
We use data from the Sydney-AAO Multi-object Integral-field spectroscopy (SAMI) Galaxy Survey to study the dynamical scaling relation between galaxy stellar mass and the gene…
The Sami Galaxy Survey: stellar populations of passive spiral galaxies in different environment
Mina Pak, Sree Oh, Joon Hyeop Lee +17
We investigate the stellar populations of passive spiral galaxies as a function of mass and environment, using integral field spectroscopy data from the Sydney-AAO Multi-object Int…
The SAMI Galaxy Survey: mass as the driver of the kinematic morphology - density relation in clusters
Sarah Brough, Jesse van de Sande, Matt S. Owers +23
We examine the kinematic morphology of early-type galaxies (ETGs) in eight galaxy clusters in the Sydney-AAO Multi-object Integral field spectrograph (SAMI) Galaxy Survey. The clus…
Galaxy and Mass Assembly (GAMA): merging galaxies and their properties
Roberto De Propris, Ivan K. Baldry, Joss Bland-Hawthorn +7
We derive the close pair fractions and volume merger rates as a function of luminosity and morphology for galaxies in the GAMA survey with -23 < M(r) < -17 at 0.01 < z < 0.22. The…
The MAGPI Survey: radial trends in star formation across different cosmological simulations in comparison with observations at 0.3
Marcie Mun, Emily Wisnioski, Katherine E. Harborne +20
We investigate the internal and external mechanisms that regulate and quench star formation (SF) in galaxies at using MAGPI observations and the EAGLE, Magneticum, and…
The anatomy of the NGC 5044 group -- II. Stellar populations and star-formation histories
J. Trevor Mendel, Robert N. Proctor, Jesper Rasmussen +2
The distribution of galaxy properties in groups and clusters holds important information on galaxy evolution and growth of structure in the Universe. While clusters have received a…
The WiggleZ Dark Energy Survey: measuring the cosmic growth rate with the two-point galaxy correlation function
Carlos Contreras, Chris Blake, Gregory B. Poole +24
The growth history of large-scale structure in the Universe is a powerful probe of the cosmological model, including the nature of dark energy. We study the growth rate of cosmic s…
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…
First test of Verlinde's theory of Emergent Gravity using Weak Gravitational Lensing measurements
Margot M. Brouwer, Manus R. Visser, Andrej Dvornik +19
Verlinde (2016) proposed that the observed excess gravity in galaxies and clusters is the consequence of Emergent Gravity (EG). In this theory the standard gravitational laws are m…
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…
The SAMI Galaxy Survey: Revisiting Galaxy Classification Through High-Order Stellar Kinematics
Jesse van de Sande, Joss Bland-Hawthorn, Lisa M. R. Fogarty +36
Recent cosmological hydrodynamical simulations suggest that integral field spectroscopy can connect the high-order stellar kinematic moments h3 (~skewness) and h4 (~kurtosis) in ga…
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…
The WiggleZ Dark Energy Survey: Star-formation in UV-luminous galaxies from their luminosity functions
Russell J. Jurek, Michael J. Drinkwater, Kevin Pimbblet +23
We present the ultraviolet (UV) luminosity function of galaxies from the GALEX Medium Imaging Survey with measured spectroscopic redshifts from the first data release of the Wiggle…
MegaMorph - multi-wavelength measurement of galaxy structure: complete Sérsic profile information from modern surveys
Boris HäuÃler, Steven P. Bamford, Marina Vika +13
In this paper, we demonstrate a new method for fitting galaxy profiles which makes use of the full multi-wavelength data provided by modern large optical-near-infrared imaging surv…
The SAMI Survey: Evidence for dynamical coupling of ionised gas and young stellar populations
Caroline Foster, Sam Vaughan, Amelia Fraser-McKelvie +14
We explore local and global dynamical differences between the kinematics of ionised gas and stars in a sample of galaxies from Data Release 3 of the SAMI Galaxy Survey. We find bet…
The Group Evolution Multiwavelength Study (GEMS): the Sample and Datasets
Duncan A. Forbes, Trevor Ponman, Frazer Pearce +7
Galaxy groups have been under-studied relative to their richer counterparts -- clusters. The Group Evolution Multiwavelength Study (GEMS) aims to redress some the balance. Here we…
Galaxy Groups: Proceedings from a Swinburne University Workshop
Virginia A. Kilborn, Kenji Bekki, Sarah Brough +6
We present the proceedings from a 2-day workshop held at Swinburne University on the 24th-25th of May 2005. The workshop participants highlighted current Australian research on bot…
Investigating the imprints of tidal features on simulated galaxy outskirts in LSST-like mock observations
Aman Khalid, Sarah Brough, Garreth Martin +5
Tidal features provide signatures of recent galaxy mergers, offering insights into the role of mergers in galaxy evolution. The Vera C. Rubin Observatory's upcoming Legacy Survey o…
Optimizing Roman's High Latitude Wide Area Survey for Low Surface Brightness Astronomy
Mireia Montes, Francesca Annibali, Michele Bellazzini +20
One of the last remaining frontiers in optical/near-infrared observational astronomy is the low surface brightness regime (LSB, V-band surface brightness, 27 AB mag/arcsec$…
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…
Galaxy And Mass Assembly (GAMA): Active Galactic Nuclei in Pairs of Galaxies
Yjan A. Gordon, Matt S. Owers, Kevin A. Pimbblet +14
There exist conflicting observations on whether or not the environment of broad and narrow line AGN differ and this consequently questions the validity of the AGN unification model…
The SAMI Galaxy Survey: Revising the Fraction of Slow Rotators in IFS Galaxy Surveys
Jesse van de Sande, Joss Bland-Hawthorn, Sarah Brough +15
The fraction of galaxies supported by internal rotation compared to galaxies stabilized by internal pressure provides a strong constraint on galaxy formation models. In integral fi…
The luminosity -- halo-mass relation for brightest cluster galaxies
Sarah Brough, Warrick Couch, Chris Collins +2
We examine the central-galaxy luminosity -- host-halo mass relation for 54 Brightest Group Galaxies (BGGs) and 92 Brightest Cluster Galaxies (BCGs) at z<0.1 and present the first m…
Women in Astronomy Workshop Report
Sarah Brough, Amanda E. Bauer, Kate Brooks +2
Here we report on the Women in Astronomy Workshop (http://asawomeninastronomy.org/meetings/wia2011/), which was held on 13 May 2011 in Sydney, Australia. The workshop was organised…
The SAMI Galaxy Survey: Data Release Two with absorption-line physics value-added products
Nicholas Scott, Jesse van de Sande, Scott M. Croom +34
We present the second major release of data from the SAMI Galaxy Survey. Data Release Two includes data for 1559 galaxies, about 50% of the full survey. Galaxies included have a re…
Galaxy And Mass Assembly (GAMA): Structural Investigation of Galaxies via Model Analysis (SIGMA)
Lee S. Kelvin, Simon P. Driver, Aaron S. G. Robotham +17
We present single-Sérsic two-dimensional model fits to 167,600 galaxies modelled independently in the ugrizYJHK bandpasses using reprocessed Sloan Digital Sky Survey Data Release…
Measuring the intracluster light fraction with machine learning
Louisa Canepa, Sarah Brough, Francois Lanusse +2
The intracluster light (ICL) is an important tracer of a galaxy cluster's history and past interactions. However, only small samples have been studied to date due to its very low s…
Galaxy And Mass Assembly (GAMA): mass-size relations of z0.1 galaxies subdivided by Sérsic index, colour and morphology
Rebecca Lange, Simon P. Driver, Aaron S. G. Robotham +20
We use data from the Galaxy And Mass Assembly (GAMA) survey in the redshift range 0.01z0.1 (8399 galaxies in to bands) to derive the stellar mass half-light rad…
The 6dF Galaxy Survey: The Near-Infrared Fundamental Plane of Early-Type Galaxies
Christina Magoulas, Christopher M. Springob, Matthew Colless +7
We determine the near-infrared Fundamental Plane (FP) for early-type galaxies in the 6dF Galaxy Survey (6dFGS). We fit the distribution of central velocity dispersion, n…
Galaxy And Mass Assembly (GAMA): Stellar mass growth of spiral galaxies in the cosmic web
Mehmet Alpaslan, Meiert W. Grootes, Pamela M. Marcum +16
We look for correlated changes in stellar mass and star formation rate along filaments in the cosmic web by examining the stellar masses and UV-derived star formation rates (SFR) o…
Galaxy And Mass Assembly (GAMA): ugrizYJHK Sérsic luminosity functions and the cosmic spectral energy distribution by Hubble type
Lee S. Kelvin, Simon P. Driver, Aaron S. G. Robotham +20
We report the morphological classification of 3727 galaxies from the Galaxy and Mass Assembly survey with M_r < -17.4 mag and in the redshift range 0.025 < z < 0.06 (2.1 x 10^5 Mpc…
The early-type galaxies NGC 1407 and NGC 1400 - II: star formation and chemical evolutionary history
Max Spolaor, Duncan A. Forbes, Robert N. Proctor +2
We present a possible star formation and chemical evolutionary history for two early-type galaxies NGC 1407 and NGC 1400. They are the two brightest galaxies of the NGC 1407 (or Er…
Galaxy And Mass Assembly (GAMA): Comparing Visually and Spectroscopically Identified Galaxy Merger Samples
Alice Desmons, Sarah Brough, Cristina MartÃnez-Lombilla +3
We conduct a comparison of the merging galaxy populations detected by a sample of visual identification of tidal features around galaxies as well as spectroscopically-detected clos…
Galaxy And Mass Assembly (GAMA): Panchromatic Data Release (far-UV --- far-IR) and the low-z energy budget
Simon P. Driver, Angus H. Wright, Stephen K. Andrews +60
We present the GAMA Panchromatic Data Release (PDR) constituting over 230deg of imaging with photometry in 21 bands extending from the far-UV to the far-IR. These data compleme…
Cluster passage driving galaxy kinematic and structural evolution in the SAMI Galaxy Survey
Ryan Bagge, Caroline Foster, Sarah Brough +6
The cluster environment can have a significant impact on galaxy evolution. We study the impact that passage through a cluster has on stellar and ionised gas kinematics for galaxies…
Galaxy And Mass Assembly (GAMA): the Stellar Mass Budget by Galaxy Type
Amanda J. Moffett, Stephen A. Ingarfield, Simon P. Driver +16
We report an expanded sample of visual morphological classifications from the Galaxy and Mass Assembly (GAMA) survey phase two, which now includes 7,556 objects (previously 3,727 i…
The WiggleZ Dark Energy Survey: Cosmological neutrino mass constraint from blue high-redshift galaxies
Signe Riemer-Sørensen, Chris Blake, David Parkinson +25
The absolute neutrino mass scale is currently unknown, but can be constrained from cosmology. The WiggleZ high redshift star-forming blue galaxy sample is less sensitive to systema…
Detecting Galaxy Tidal Features Using Self-Supervised Representation Learning
Alice Desmons, Sarah Brough, Francois Lanusse
Low surface brightness substructures around galaxies, known as tidal features, are a valuable tool in the detection of past or ongoing galaxy mergers, and their properties can answ…
The SAMI Galaxy Survey: Decomposed Stellar Kinematics of Galaxy Bulges and Disks
Sree Oh, Matthew Colless, Stefania Barsanti +15
We investigate the stellar kinematics of the bulge and disk components in 826 galaxies with a wide range of morphology from the Sydney-AAO Multi-object Integral-field spectroscopy…
The SAMI Galaxy Survey: rules of behaviour for spin-ellipticity radial tracks in galaxies
Alexander Rawlings, Caroline Foster, Jesse van de Sande +18
We study the behaviour of the spin-ellipticity radial tracks for 507 galaxies from the Sydney AAO Multi-object Integral Field (SAMI) Galaxy Survey with stellar kinematics out to $\…
AAO Observer - February 2011 Edition
Sarah Brough
This edition of the Australian Astronomical Observatory Observer contains articles on the detection of the baryonic acoustic oscillation signal over a wide range of redshifts by th…
Bright Star Subtraction Pipeline for LSST: Phase one report
Amir E. Bazkiaei, Lee S. Kelvin, Sarah Brough +3
We present the phase one report of the Bright Star Subtraction (BSS) pipeline for the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST). This pipeline is designed…
The accretion histories of brightest cluster galaxies from their stellar population gradients
Paola Oliva-Altamirano, Sarah Brough, Jimmy +6
We analyse the spatially-resolved stellar populations of 9 local () Brightest Cluster Galaxies (BCGs) observed with VIMOS in IFU mode. Our sample is composed of 7 slow-rotat…
The Properties of Brightest Cluster Galaxies in X-Ray Selected Clusters
Sarah Brough, Chris A. Collins, Doug J. Burke +2
We present the K-band Hubble diagram for 162 brightest cluster galaxies (BCGs) in X-ray selected clusters, 0.01<z<0.83. The sample incorporates that of Burke, Collins, & Mann (2000…
The SAMI galaxy survey: predicting kinematic morphology with logistic regression
Sam P. Vaughan, Jesse van de Sande, A. Fraser-McKelvie +10
We use the SAMI galaxy survey to study the the kinematic morphology-density relation: the observation that the fraction of slow rotator galaxies increases towards dense environment…
Measuring the 2D Baryon Acoustic Oscillation signal of galaxies in WiggleZ: Cosmological constraints
Samuel R. Hinton, Eyal Kazin, Tamara M. Davis +12
We present results from the 2D anisotropic Baryon Acoustic Oscillation (BAO) signal present in the final dataset from the WiggleZ Dark Energy Survey. We analyse the WiggleZ data in…
The SAMI Galaxy Survey: stellar population and structural trends across the Fundamental Plane
Francesco D'Eugenio, Matthew Colless, Nicholas Scott +16
We study the Fundamental Plane (FP) for a volume- and luminosity-limited sample of 560 early-type galaxies from the SAMI survey. Using r-band sizes and luminosities from new Multi-…
The 6dF Galaxy Survey: Fundamental Plane Data
Lachlan A. Campbell, John R. Lucey, Matthew Colless +13
We report the 6dFGS Fundamental Plane (6dFGSv) catalogue that is used to estimate distances and peculiar velocities for nearly 9,000 early-type galaxies in the local (z0.055) un…
Galaxy And Mass Assembly (GAMA): The effect of galaxy group environment on active galactic nuclei
Yjan A. Gordon, Kevin A. Pimbblet, Matt S. Owers +9
In galaxy clusters, efficiently accreting active galactic nuclei (AGN) are preferentially located in the infall regions of the cluster projected phase-space, and are rarely found i…
The SAMI Galaxy Survey: The Link Between [/Fe] and Kinematic Morphology
Peter J. Watson, Roger L. Davies, Jesse van de Sande +16
We explore a sample of 1492 galaxies with measurements of the mean stellar population properties and the spin parameter proxy, , drawn from the SAMI Galaxy Survey.…
Galaxy and Mass Assembly (GAMA): Extended Intra-Group Light in a group at from deep Hyper-Suprime Cam images
Cristina Martinez-Lombilla, Sarah Brough, Mireia Montes +7
We present a pilot study to assess the potential of Hyper Suprime-Cam Public Data Release 2 (HSC-PDR2) images for the analysis of extended faint structures within groups of galaxie…
The WiggleZ Dark Energy Survey: Direct constraints on blue galaxy intrinsic alignments at intermediate redshifts
Rachel Mandelbaum, Chris Blake, Sarah Bridle +21
Correlations between the intrinsic shapes of galaxy pairs, and between the intrinsic shapes of galaxies and the large-scale density field, may be induced by tidal fields. These cor…
The WiggleZ Dark Energy Survey: Final data release and cosmological results
David Parkinson, Signe Riemer-Sørensen, Chris Blake +25
This paper presents cosmological results from the final data release of the WiggleZ Dark Energy Survey. We perform full analyses of different cosmological models using the WiggleZ…
Anglo-Australian Observatory February 2010 Newsletter
Sarah Brough, Phillippa Morley
The Feburary 2010 edition of the AAO newsletter contains articles on Helium-rich subluminous B stars, the discovery of large-scale gravitationall infall in a massive proto-stellar…
Rubin-Euclid Derived Data Products: Initial Recommendations
Leanne P. Guy, Jean-Charles Cuillandre, Etienne Bachelet +117
This report is the result of a joint discussion between the Rubin and Euclid scientific communities. The work presented in this report was focused on designing and recommending an…
Detecting Tidal Features using Self-Supervised Representation Learning
Alice Desmons, Sarah Brough, Francois Lanusse
Low surface brightness substructures around galaxies, known as tidal features, are a valuable tool in the detection of past or ongoing galaxy mergers. Their properties can answer q…
Dependence of GAMA galaxy halo masses on the cosmic web environment from 100 square degrees of KiDS weak lensing data
Margot M. Brouwer, Marcello Cacciato, Andrej Dvornik +31
Galaxies and their dark matter haloes are part of a complex network of mass structures, collectively called the cosmic web. Using the tidal tensor prescription these structures can…
The SAMI Galaxy Survey: a statistical approach to an optimal classification of stellar kinematics in galaxy surveys
Jesse van de Sande, Sam P. Vaughan, Luca Cortese +22
Large galaxy samples from multi-object IFS surveys now allow for a statistical analysis of the z~0 galaxy population using resolved kinematics. However, the improvement in number s…
Star-gas misalignment in galaxies: I. The properties of galaxies from the Horizon-AGN simulation and comparisons to SAMI
Donghyeon J. Khim, Sukyoung K. Yi, Yohan Dubois +12
Recent integral field spectroscopy observations have found that about 11% of galaxies show star-gas misalignment. The misalignment possibly results from external effects such as ga…
Characterising Tidal Features Around Galaxies in Cosmological Simulations
Aman Khalid, Sarah Brough, Garreth Martin +4
Tidal features provide signatures of recent mergers and offer a unique insight into the assembly history of galaxies. The Vera C. Rubin Observatory's Legacy Survey of Space and Tim…
The SAMI Galaxy Survey: drives the presence of complex emission line profiles in star-forming galaxies
Henry R. M. Zovaro, J. Trevor Mendel, Brent Groves +13
Galactic fountains driven by star formation result in a variety of kinematic structures such as ionised winds and thick gas disks, both of which manifest as complex emission line p…
The WiggleZ Dark Energy Survey: the selection function and z=0.6 galaxy power spectrum
Chris Blake, Sarah Brough, Matthew Colless +18
We report one of the most accurate measurements of the three-dimensional large-scale galaxy power spectrum achieved to date, using 56,159 redshifts of bright emission-line galaxies…
Studying galaxy troughs and ridges using Weak Gravitational Lensing with the Kilo-Degree Survey
Margot M. Brouwer, Vasiliy Demchenko, Joachim Harnois-Déraps +15
We study projected underdensities in the cosmic galaxy density field known as 'troughs', and their overdense counterparts, which we call 'ridges'. We identify these regions using a…
The MAGPI Survey: the kinematic morphology-density relation (or lack thereof) and the Hubble sequence at
Caroline Foster, Mark W. Donoghoe, Andrew Battisti +26
This work presents visual morphological and dynamical classifications for 637 spatially resolved galaxies, most of which are at intermediate redshift (), in the Middle-Ag…
Galaxy And Mass Assembly: Galaxy Morphology in the Green Valley, Prominent rings and looser Spiral Arms
Dominic Smith, Lutz Haberzettl, L. E. Porter +15
Galaxies broadly fall into two categories: star-forming (blue) galaxies and quiescent (red) galaxies. In between, one finds the less populated ``green valley". Some of these galaxi…
The buildup of the intracluster light of Abell 85 as seen by Subaru's Hyper Suprime-Cam
Mireia Montes, Sarah Brough, Matt S. Owers +1
The study of low surface brightness light in large, deep imaging surveys is still uncharted territory as automated data reduction pipelines over-subtract or eliminate this light. U…
Galaxy And Mass Assembly (GAMA): Galaxy colour gradients versus colour, structure and luminosity
Rebecca Kennedy, Steven P. Bamford, Boris HäuÃler +5
Using single-component fits to SDSS/UKIDSS images of galaxies in the G09 region of the GAMA survey we study radial colour gradients across the galaxy population. We use the multiwa…
A relation between characteristic stellar age of galaxies and their intrinsic shape
Jesse van de Sande, Nicholas Scott, Joss Bland-Hawthorn +15
Stellar population and stellar kinematic studies provide unique but complementary insights into how galaxies build-up their stellar mass and angular momentum. A galaxy's mean stell…
GAMA/WiggleZ: The 1.4GHz radio luminosity functions of high- and low-excitation radio galaxies and their redshift evolution to z=0.75
Michael Pracy, John Ching, Elaine Sadler +17
We present radio Active Galactic Nuclei (AGN) luminosity functions over the redshift range 0.005 < z < 0.75. The sample from which the luminosity functions are constructed is an op…
The WiggleZ Dark Energy Survey: Galaxy Evolution at 0.25 < z < 0.75 Using The Second Red-Sequence Cluster Survey (RCS-2)
I. H. Li, H. K. C. Yee, Chris Blake +23
We study the evolution of galaxy populations around the spectroscopic WiggleZ sample of starforming galaxies at 0.25 < z < 0.75 using the photometric catalog from the Second Red-Se…
The SAMI Galaxy Survey: Spatially Resolved Metallicity and Ionization Mapping
Henry Poetrodjojo, Brent Groves, Lisa J. Kewley +16
We present gas-phase metallicity and ionization parameter maps of 25 star-forming face-on spiral galaxies from the SAMI Galaxy Survey Data Release 1. Self-consistent metallicity an…