Publications (85)
Gemini GMOS and WHT SAURON integral-field spectrograph observations of the AGN driven outflow in NGC 1266
Timothy A. Davis, Davor Krajnovic, Richard M. McDermid +24
We use the SAURON and GMOS integral field spectrographs to observe the active galactic nucleus (AGN) powered outflow in NGC 1266. This unusual galaxy is relatively nearby (D=30 Mpc…
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…
The Atlas3D project - VII. A new look at the morphology of nearby galaxies: the kinematic morphology-density relation
Michele Cappellari, Eric Emsellem, Davor Krajnovic +20
We look at the morphology of fast and slow rotator early-type galaxies. Edge-on fast rotators are lenticular galaxies. They appear like spiral galaxies with the gas and dust remove…
The ATLAS3D project - III. A census of the stellar angular momentum within the effective radius of early-type galaxies: unveiling the distribution of Fast and Slow Rotators
Eric Emsellem, Michele Cappellari, Davor KrajnoviÄ +21
We provide a census of the apparent stellar angular momentum within 1 Re of a volume-limited sample of 260 early-type galaxies (ETGs) in the nearby Universe, using integral-field s…
A systematic variation of the stellar initial mass function in early-type galaxies
Michele Cappellari, Richard M. McDermid, Katherine Alatalo +22
Much of our knowledge of galaxies comes from analysing the radiation emitted by their stars. It depends on the stellar initial mass function (IMF) describing the distribution of st…
The ATLAS 3D project - XVI. Physical parameters and spectral line energy distributions of the molecular gas in gas-rich early-type galaxies
Estelle Bayet, Martin Bureau, Timothy A. Davis +22
[Abridged] We present a detailed study of the physical properties of the molecular gas in a sample of 18 molecular gas-rich early-type galaxies (ETGs) from the ATLAS$ 3D sample. Ou…
Comparison of the Stellar Populations of Bulges and Discs using the MaNGA Survey
Philip Lah, Nicholas Scott, Tania M. Barone +4
We use the MaNGA integral-field spectroscopic survey of low-redshift galaxies to compare the stellar populations of the bulge and disc components, identified from their Sersic prof…
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…
Discovery of an AGN-Driven Molecular Outflow in the Local Early-Type Galaxy NGC 1266
Katherine Alatalo, Leo Blitz, Lisa M. Young +26
We report the discovery of a powerful molecular wind from the nucleus of the non-interacting nearby S0 field galaxy NGC 1266. The single-dish CO profile exhibits emission to +/- 40…
The Atlas3D project - XII. Recovery of the mass-to-light ratio of simulated early-type barred galaxies with axisymmetric dynamical models
Pierre-Yves Lablanche, Michele Cappellari, Eric Emsellem +22
We investigate the accuracy in the recovery of the stellar dynamics of barred galaxies when using axisymmetric dynamical models. We do this by trying to recover the mass-to-light r…
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…
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 Atlas3D Project - XXX. Star formation histories and stellar population scaling relations of early-type galaxies
Richard M. McDermid, Katherine Alatalo, Leo Blitz +20
We present the stellar population content of early-type galaxies from the Atlas3D survey. Using spectra integrated within apertures covering up to one effective radius, we apply tw…
The Atlas3D project - XXIV. The intrinsic shape distribution of early-type galaxies
Anne-Marie Weijmans, P. T. de Zeeuw, Eric Emsellem +23
We use the Atlas3D sample to perform a study of the intrinsic shapes of early-type galaxies, taking advantage of the available combined photometric and kinematic data. Based on our…
The SAMI Galaxy Survey: Data Release One with Emission-line Physics Value-Added Products
Andrew W. Green, Scott M. Croom, Nicholas Scott +48
We present the first major release of data from the SAMI Galaxy Survey. This data release focuses on the emission-line physics of galaxies. Data Release One includes data for 772 g…
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 SAMI Pilot Survey: The Kinematic Morphology-Density Relation in Abell 85, Abell 168 and Abell 2399
L. M. R. Fogarty, Nicholas Scott, Matt S. Owers +17
We examine the kinematic morphology of early-type galaxies (ETGs) in three galaxy clusters Abell 85, 168 and 2399. Using data from the Sydney-AAO Multi-object Integral field spectr…
Discovery of a giant HI tail in the galaxy group HCG 44
Paolo Serra, Baerbel Koribalski, Pierre-Alain Duc +25
We report the discovery of a giant HI tail in the intra-group medium of HCG 44 as part of the Atlas3D survey. The tail is ~300 kpc long in projection and contains ~5x10^8 M_sun of…
The ATLAS3D Project - XXVIII. Dynamically-driven star formation suppression in early-type galaxies
Timothy A. Davis, Lisa M. Young, Alison F. Crocker +22
We present measurements of the star formation rate (SFR) in the early-type galaxies (ETGs) of the ATLAS3D sample, based on Wide-field Infrared Survey Explorer (WISE) 22um and Galax…
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…
The SAURON Project - XX. The Spitzer [3.6] - [4.5] colour in early-type galaxies: colours, colour gradients and inverted scaling relations
Reynier F. Peletier, Elif Kutdemir, Guido van der Wolk +15
We investigate the [3.6] - [4.5] Spitzer-IRAC colour behaviour of the early-type galaxies of the SAURON survey, a representative sample of 48 nearby ellipticals and lenticulars. We…
The Atlas3D Project -- XI. Dense molecular gas properties of CO-luminous early-type galaxies
Alison Crocker, Melanie Krips, Martin Bureau +24
Surveying eighteen 12CO-bright galaxies from the ATLAS3D early-type galaxy sample with the Institut de Radio Astronomie Millimétrique (IRAM) 30m telescope, we detect 13CO(1-0) and…
The Atlas3D project -- XIII. Mass and morphology of HI in early-type galaxies as a function of environment
Paolo Serra, Tom Oosterloo, Raffaella Morganti +23
We present the Atlas3D HI survey of 166 nearby early-type galaxies (ETGs) down to M(HI)~10^7 M_sun. We detect HI in ~40% of all ETGs outside the Virgo cluster and in ~10% of all ET…
The SAMI-Fornax Dwarfs Survey III: Evolution of [/Fe] in dwarfs, from Galaxy Clusters to the Local Group
J. Romero-Gómez, Reynier F. Peletier, J. A. L. Aguerri +10
Using very deep, high spectral resolution data from the SAMI Integral Field Spectrograph we study the stellar population properties of a sample of dwarf galaxies in the Fornax Clus…
A normal supermassive black hole in NGC 1277
Alister W. Graham, Mark Durré, Giulia A. D. Savorgnan +5
The identification of galaxies with `overly massive' black holes requires two measurements: a black hole mass (M_bh) and a host spheroid mass (M_sph,*). Here we provide our measure…
The ATLAS3D project - II. Morphologies, kinemetric features and alignment between photometric and kinematic axes of early-type galaxies
Davor Krajnovic, Eric Emsellem, Michele Cappellari +20
[Abridged] We use the ATLAS3D sample of 260 early-type galaxies (ETGs) to study the apparent kinematic misalignment angle, Psi, defined as the angle between the photometric and kin…
The SAMI galaxy survey: galaxy size can explain the offset between star-forming and passive galaxies in the mass-metallicity relationship
Sam P. Vaughan, Tania M. Barone, Scott M. Croom +14
In this work, we investigate how the central stellar metallicity ([Z/H]) of 1363 galaxies from the SAMI galaxy survey is related to their stellar mass and a proxy for the gravitati…
Simulations of binary galaxy mergers and the link with Fast Rotators, Slow Rotators, and Kinematically Distinct Cores
Maxime Bois, Eric Emsellem, Frédéric Bournaud +21
We study the formation of early-type galaxies (ETGs) through mergers with a sample of 70 high-resolution numerical simulations of binary mergers of disc galaxies. These simulations…
An [/Fe]-enhanced thick disk in a Milky Way Analogue
Nicholas Scott, Jesse van de Sande, Sanjib Sharma +5
The Milky Way disk consists of two prominent components - a thick, alpha-rich, low-metallicity component and a thin, metal-rich, low-alpha component. External galaxies have been sh…
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 Atlas3D project - XX. Mass-size and mass-sigma distributions of early-type galaxies: bulge fraction drives kinematics, mass-to-light ratio, molecular gas fraction and stellar initial mass function
Michele Cappellari, Richard M. McDermid, Katherine Alatalo +21
We study the (M,sigma) and (M,Re) projections of the thin Mass Plane (MP) (M,sigma,Re) which describes the distribution of the galaxy population. The distribution of galaxy propert…
The SAMI Galaxy Survey: comparing 3D spectroscopic observations with galaxies from cosmological hydrodynamical simulations
Jesse van de Sande, Claudia D. P. Lagos, Charlotte Welker +19
Cosmological hydrodynamical simulations are rich tools to understand the build-up of stellar mass and angular momentum in galaxies, but require some level of calibration to observa…
The (black hole)-bulge mass scaling relation at low masses
Alister W. Graham, Nicholas Scott
Several recent papers have reported on the occurrence of active galactic nuclei (AGN) containing under-massive black holes relative to a linear scaling relation between black hole…
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: Global stellar populations on the size-mass plane
Nicholas Scott, S. Brough, Scott M. Croom +20
We present an analysis of the global stellar populations of galaxies in the SAMI Galaxy Survey. Our sample consists of 1319 galaxies spanning four orders of magnitude in stellar ma…
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…
The Atlas-3D project - IX. The merger origin of a fast and a slow rotating Early-Type Galaxy revealed with deep optical imaging: first results
Pierre-Alain Duc, Jean-Charles Cuillandre, Paolo Serra +24
The mass assembly of galaxies leaves imprints in their outskirts, such as shells and tidal tails. The frequency and properties of such fine structures depend on the main acting mec…
The Atlas3D project - X. On the origin of the molecular and ionised gas in early-type galaxies
Timothy A. Davis, Katherine Alatalo, Marc Sarzi +22
We make use of interferometric CO and HI observations, and optical integral-field spectroscopy to probe the origin of the molecular and ionised interstellar medium (ISM) in local e…
The SAURON Project - XIV. No escape from V: a global and local parameter in early-type galaxy evolution
Nicholas Scott, Michele Cappellari, Roger L. Davies +13
We present the results of an investigation of the local escape velocity (Vesc) - line strength index relationship for 48 early type galaxies from the SAURON sample, the first such…
The ATLAS3D Project -- XXIII. Angular momentum and nuclear surface brightness profiles
Davor Krajnovic, A. M. Karick, Roger L. Davies +22
[Abridged and Edited] We investigate nuclear light profiles in 135 ATLAS3D galaxies for which the Hubble Space Telescope (HST) imaging is available and compare them to the large sc…
NGC1266 as a Local Candidate for Rapid Cessation of Star Formation
Katherine Alatalo, Kristina Nyland, Genevieve Graves +27
We present new Spectrographic Areal Unit for Research on Optical Nebulae (SAURON) integral-field spectroscopy and Swift Ultraviolet Optical Telescope (UVOT) observations of molecul…
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…
Linking the Galactic and Extragalactic -- A Virtual Meeting During a World-Wide Pandemic
Jesse van de Sande, Nicholas Scott
How do we bridge the gap between the Galactic and the extragalactic? By focusing on the topic of stellar dynamics and stellar populations of the Milky Way and its siblings this vir…
The Atlas3D project - XIV. The extent and kinematics of molecular gas in early-type galaxies
Timothy A. Davis, Katherine Alatalo, Martin Bureau +23
We use interferometric CO observations to compare the extent, surface brightness profiles and kinematics of the molecular gas in CO-rich Atlas3D early-type galaxies (ETGs) and spir…
The Supermassive Black Hole Mass - Spheroid Stellar Mass Relation for Sérsic and Core-Sérsic Galaxies
Nicholas Scott, Alister W. Graham, James Schombert
We have examined the relationship between supermassive black hole mass (M) and the stellar mass of the host spheroid (M) for a sample of 75 nearby galaxies. To der…
Updated Mass Scaling Relations for Nuclear Star Clusters and a Comparison to Supermassive Black Holes
Nicholas Scott, Alister W. Graham
We investigate whether nuclear star clusters and supermassive black holes follow a common set of mass scaling relations with their host galaxy's properties, and hence can be consid…
The Atlas3D project - XXVI. HI discs in real and simulated fast and slow rotators
Paolo Serra, Ludwig Oser, Davor Krajnovic +24
One quarter of all nearby early-type galaxies (ETGs) outside Virgo host a disc/ring of HI with size from a few to tens of kpc and mass up to ~1e+9 solar masses. Here we investigate…
The SAMI Galaxy Survey: Quenching of star formation in clusters I. Transition galaxies
Matt S. Owers, Michael J. Hudson, Kyle A. Oman +19
We use integral field spectroscopy from the SAMI Galaxy Survey to identify galaxies that show evidence for recent quenching of star formation. The galaxies exhibit strong Balmer ab…
The ATLAS3D Project - XXI. Correlations between gradients of local escape velocity and stellar populations in early-type galaxies
Nicholas Scott, Michele Cappellari, Roger L. Davies +22
We explore the connection between the local escape velocity, V_esc, and the stellar population properties in the ATLAS3D survey, a complete, volume-limited sample of nearby early-t…
The (black hole mass)-(host spheroid luminosity) relation at high and low masses, the quadratic growth of black holes, and intermediate-mass black hole candidates
Alister W. Graham, Nicholas Scott
From a sample of 72 galaxies with reliable supermassive black hole masses M_(bh), we derive the M_(bh)-(host spheroid luminosity, L) relation for (i) the subsample of 24 core-Sersi…
The SAMI galaxy survey: Galaxy Interactions and Kinematic Anomalies in Abell 119
Sree Oh, Sukyoung K. Yi, Luca Cortese +25
Galaxy mergers are important events that can determine the fate of a galaxy by changing its morphology, star-formation activity and mass growth. Merger systems have commonly been i…
An Oxford SWIFT Integral Field Spectroscopy study of 14 early-type galaxies in the Coma cluster
Nicholas Scott, Ryan C. W. Houghton, Roger L. Davies +4
As a demonstration of the capabilities of the new Oxford SWIFT integral field spectrograph, we present first observations for a set of 14 early-type galaxies in the core of the Com…
The SAMI Galaxy Survey: Mass and Environment as Independent Drivers of Galaxy Dynamics
Jesse van de Sande, Scott M. Croom, Joss Bland-Hawthorn +16
The kinematic morphology-density relation of galaxies is normally attributed to a changing distribution of galaxy stellar masses with the local environment. However, earlier studie…
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 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…
The Atlas3D project - XV. Benchmark for early-type galaxies scaling relations from 260 dynamical models: mass-to-light ratio, dark matter, Fundamental Plane and Mass Plane
Michele Cappellari, Nicholas Scott, Katherine Alatalo +21
We study the volume-limited and nearly mass selected (stellar mass M>6*10^9 Msun) Atlas3D sample of 260 early-type galaxies. We construct detailed axisymmetric dynamical models (JA…
The ATLAS3D project - XVII. Linking photometric and kinematic signatures of stellar discs in early-type galaxies
Davor Krajnovic, Katherine Alatalo, Leo Blitz +20
[Abridged] We analyse the morphological structures in galaxies of the ATLAS3D sample by fitting a single Sersic profile and decomposing all non-barred objects (180 of 260 objects)…
The ATLAS3D project - XVIII. CARMA CO imaging survey of early-type galaxies
Katherine Alatalo, Timothy A. Davis, Martin Bureau +23
We present the Combined Array for Research in Millimeter Astronomy (CARMA) ATLAS3D molecular gas imaging survey, a systematic study of the distribution and kinematics of molecular…
The SAMI Galaxy Survey: stellar population gradients of central galaxies
Giulia Santucci, Sarah Brough, Nicholas Scott +10
We examine the stellar population radial gradients (age, metallicity and [Fe]) of 100 passive central galaxies up to . The targeted groups have a halo mass…
The Atlas3D project -- I. A volume-limited sample of 260 nearby early-type galaxies: science goals and selection criteria
Michele Cappellari, Eric Emsellem, Davor Krajnovic +23
The Atlas3D project is a multi-wavelength survey combined with a theoretical modeling effort. The observations span from the radio to the millimeter and optical, and provide multi-…
The Atlas3D project -- XXIX. The new look of early-type galaxies and surrounding fields disclosed by extremely deep optical images
Pierre-Alain Duc, Jean-Charles Cuillandre, Emin Karabal +24
Galactic archeology based on star counts is instrumental to reconstruct the past mass assembly of Local Group galaxies. The development of new observing techniques and data-reducti…
Super-massive black hole mass scaling relations
Alister W. Graham, Nicholas Scott, James Schombert
Using black hole masses which span 10^5 to 10^(10) solar masses, the distribution of galaxies in the (host spheroid stellar mass)-(black hole mass) diagram is shown to be strongly…
The Atlas3D project - XIX. The hot-gas content of early-type galaxies: fast versus slow rotators
Marc Sarzi, Katherine Alatalo, Leo Blitz +20
For early-type galaxies, the ability to sustain a corona of hot, X-ray emitting gas could have played a key role in quenching their star-formation history. Yet, it is still unclear…
The SAMI Galaxy Survey: Trends in [α/Fe] as a Function of Morphology and Environment
Peter J. Watson, Roger L. Davies, Sarah Brough +16
We present a new set of index-based measurements of [/Fe] for a sample of 2093 galaxies in the SAMI Galaxy Survey. Following earlier work, we fit a global relation between [$α…
The Atlas3D project -- XXXI. Nuclear radio emission in nearby early-type galaxies
Kristina Nyland, Lisa M. Young, Joan M. Wrobel +22
We present the results of a high-resolution, 5 GHz, Karl G. Jansky Very Large Array study of the nuclear radio emission in a representative subset of the Atlas3D survey of early-ty…
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…
Connection between dynamically derived IMF normalisation and stellar population parameters
Richard M. McDermid, Michele Cappellari, Katherine Alatalo +22
We report on empirical trends between the dynamically determined stellar initial mass function (IMF) and stellar population properties for a complete, volume-limited sample of 260…
The Atlas3D Project - VI. Simulations of binary galaxy mergers and the link with Fast Rotators, Slow Rotators, and Kinematically Distinct Cores
Maxime Bois, Eric Emsellem, Frederic Bournaud +21
We study the formation of early-type galaxies through mergers with a sample of 70 high-resolution (softening length < 60 pc and 12*10^6 particles) numerical simulations of binary m…
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 $\…
The ATLAS3D project - XXII. Low-efficiency star formation in early-type galaxies: hydrodynamic models and observations
Marie Martig, Alison F. Crocker, Frederic Bournaud +27
We study the global efficiency of star formation in high resolution hydrodynamical simulations of gas discs embedded in isolated early-type and spiral galaxies. Despite using a uni…
The SAMI Galaxy Survey: Spatially Resolving the Main Sequence of Star Formation
Anne M. Medling, Luca Cortese, Scott M. Croom +42
We present the ~800 star formation rate maps for the SAMI Galaxy Survey based on Hα emission maps, corrected for dust attenuation via the Balmer decrement, that are included in th…
The SAMI Galaxy Survey: Bayesian Inference for Gas Disk Kinematics using a Hierarchical Gaussian Mixture Model
Mathew R. Varidel, Scott M. Croom, Geraint F. Lewis +20
We present a novel Bayesian method, referred to as Blobby3D, to infer gas kinematics that mitigates the effects of beam smearing for observations using Integral Field Spectroscopy…
The ATLAS3D Project-- VIII: Modelling the Formation and Evolution of Fast and Slow Rotator Early-Type Galaxies within CDM
Sadegh Khochfar, Eric Emsellem, Paolo Serra +22
We propose a simple model for the origin of fast and slow rotator early-type galaxies (ETG) within the hierarchical CDM scenario, that is based on the assumption that the mass…
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…
Assembly bias evidence in close galaxy pairs
Ignacio Ferreras, Andrew M. Hopkins, Claudia Lagos +4
The growth channel of massive galaxies involving mergers can be studied via close pairs as putative merger progenitors, where the stellar populations of the satellite galaxies will…
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 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.…
The SAMI Pilot Survey: The Fundamental and Mass Planes in Three Low-Redshift Clusters
Nicholas Scott, L. M. R. Fogarty, Matt S. Owers +16
Using new integral field observations of 106 galaxies in three nearby clusters we investigate how the intrinsic scatter of the Fundamental Plane depends on the way in which the vel…
The SAMI -- Fornax Dwarfs Survey II: The Stellar Mass Fundamental Plane and the Dark Matter fraction of Dwarf Galaxies
F. Sara Eftekhari, Reynier F. Peletier, Nicholas Scott +14
We explore the kinematic scaling relations of 38 dwarf galaxies in the Fornax Cluster using observations from the SAMI integral field spectrograph. We focus on the Fundamental Plan…
Distribution of Slow and Fast Rotators in the Fornax Cluster
Nicholas Scott, Roger L Davies, Ryan C W Houghton +3
We present integral field spectroscopy of 10 early-type galaxies in the nearby, low-mass, Fornax cluster, from which we derive spatially resolved stellar kinematics. Based on the m…
The SAMI -- Fornax Dwarfs Survey I: Sample, observations and the specific stellar angular momentum of dwarf elliptical galaxies
Nicholas Scott, F. Sara Eftekhari, Reynier F. Peletier +13
Dwarf ellipticals are the most common galaxy type in cluster environments, however the challenges associated with their observation mean their formation mechanisms are still poorly…
The Atlas3D project -- IV: the molecular gas content of early-type galaxies
Lisa M. Young, Martin Bureau, Timothy A. Davis +21
We have carried out a survey for 12CO J=1-0 and J=2-1 emission in the 260 early-type galaxies of the volume-limited Atlas3D sample, with the goal of connecting their star formation…
Gravitational Potential and Surface Density Drive Stellar Populations -- II. Star-Forming Galaxies
Tania M. Barone, Francesco D'Eugenio, Matthew Colless +1
Stellar population parameters correlate with a range of galaxy properties, but it is unclear which relations are causal and which are the result of another underlying trend. In thi…
The Atlas3D project - V. The CO Tully-Fisher relation of early-type galaxies
Timothy A. Davis, Martin Bureau, Lisa M. Young +20
We demonstrate here using both single-dish and interferometric observations that CO molecules are an excellent kinematic tracer, even in high-mass galaxies, allowing us to investig…