Publications (49)
The SAMI Galaxy Survey: energy sources of the turbulent velocity dispersion in spatially-resolved local star-forming galaxies
Luwenjia Zhou, Christoph Federrath, Tiantian Yuan +16
We investigate the energy sources of random turbulent motions of ionised gas from H emission in eight local star-forming galaxies from the Sydney-AAO Multi-object Integral fiel…
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…
Characterisation of the Optical Turbulence at Siding Spring
Michael Goodwin, Charles Jenkins, Andrew Lambert
Measurements of the optical turbulence profile above Siding Spring Observatory were conducted during 2005 and 2006. This effort was largely motivated by the need to predict the sta…
The SAMI Galaxy Survey: Using concentrated star-formation and stellar population ages to understand environmental quenching
Di Wang, Scott M. Croom, Julia J. Bryant +16
We study environmental quenching using the spatial distribution of current star-formation and stellar population ages with the full SAMI Galaxy Survey. By using a star-formation co…
Field Target Allocation and Routing Algorithms for Starbugs
Michael Goodwin, Nuria P. F. Lorente, Christophe Satorre +3
Starbugs are miniaturised robotic devices that position optical fibres over a telescope's focal plane in parallel operation for high multiplex spectroscopic surveys. The key advant…
The Blue Multi Unit Spectroscopic Explorer (BlueMUSE) on the VLT: science drivers and overview of instrument design
Johan Richard, Rémi Giroud, Florence Laurent +47
BlueMUSE is a blue-optimised, medium spectral resolution, panoramic integral field spectrograph under development for the Very Large Telescope (VLT). With an optimised transmission…
The SAMI Galaxy Survey: extraplanar gas, galactic winds, and their association with star formation history
I-Ting Ho, Anne M. Medling, Joss Bland-Hawthorn +23
We investigate a sample of 40 local, main-sequence, edge-on disc galaxies using integral field spectroscopy with the Sydney-AAO Multi-object Integral field spectrograph (SAMI) Gala…
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…
'MOHAWK' : a 4000-fiber positioner for DESpec
Will Saunders, Greg Smith, James Gilbert +6
We present a concept for a 4000-fibre positioner for DESpec, based on the Echidna 'tilting spine' technology. The DESpec focal plane is 450mm across and curved, and the required pi…
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…
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…
Improved detection of atmospheric turbulence with SLODAR
Michael Goodwin, Charles Jenkins, Andrew Lambert
We discuss several improvements in the detection of atmospheric turbulence using SLOpe Detection And Ranging (SLODAR). Frequently, SLODAR observations have shown strong ground-laye…
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 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 SAMI Galaxy Survey: Can we trust aperture corrections to predict star formation?
Samuel Nathan Richards, Julia Bryant, Scott Croom +21
In the low redshift Universe (z<0.3), our view of galaxy evolution is primarily based on fibre optic spectroscopy surveys. Elaborate methods have been developed to address aperture…
The SAMI Galaxy Survey: Using Tidal Streams and Shells to Trace the Dynamical Evolution of Massive Galaxies
Tomas H. Rutherford, Jesse van de Sande, Scott M. Croom +14
Slow rotator galaxies are distinct amongst galaxy populations, with simulations suggesting that a mix of minor and major mergers are responsible for their formation. A promising pa…
Accuracy of Shack-Hartmann wavefront sensor using a coherent wound fibre image bundle
Jessica R. Zheng, Michael Goodwin, Jon Lawrence
Shack-Hartmann wavefront sensors using wound fibre bundles are desired for multi-object adaptive optical systems to provide large multiplex positioned by Starbugs. The use of the l…
Panopticon: a telescope for our times
Will Saunders, Timothy Chin, Michael Goodwin
We present a design for a wide-field spectroscopic telescope. The only large powered mirror is spherical, the resulting spherical aberration is corrected for each target separately…
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 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…
Adaptive Optics Simulations for Siding Spring
Michael Goodwin, Charles Jenkins, Andrew Lambert
Using an observational derived model optical turbulence profile (model-OTP) we have investigated the performance of Adaptive Optics (AO) at Siding Spring Observatory (SSO), Austral…
Starbug fibre positioning robots: performance and reliability enhancements
David M. Brown, Scott Case, James Gilbert +9
Starbugs are miniature piezoelectric walking robots that can be operated in parallel to position many payloads like optical fibers across a telescopes focal plane. They consist of…
Performance of a novel PMMA polymer imaging bundle for field acquisition and wavefront sensing
Samuel Nathan Richards, Sergio Leon-Saval, Michael Goodwin +7
Imaging bundles provide a convenient way to translate a spatially coherent image, yet conventional imaging bundles made from silica fibre optics typically remain expensive with lar…
SAMI Automated Plug Plate Configuration
Nuria P. F. Lorente, Tony Farrell, Michael Goodwin
The Sydney-AAO Multi-object Integral field spectrograph (SAMI) is a prototype wide-field system at the Anglo-Australian Telescope (AAT) which uses a plug-plate to mount its 13 x 61…
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…
Miniaturized Shack-Hartmann Wavefront-Sensors for Starbugs
Michael Goodwin, Belen Alcalde, Samuel Richards +4
The ability to position multiple miniaturized wavefront sensors precisely over large focal surfaces are advantageous to multi-object adaptive optics. The Australian Astronomical Ob…
AAO Starbugs: software control and associated algorithms
Nuria P. F. Lorente, Minh V. Vuong, Keith Shortridge +7
The Australian Astronomical Observatory's TAIPAN instrument deploys 150 Starbug robots to position optical fibres to accuracies of 0.3 arcsec, on a 32 cm glass field plate on the f…
The SAMI Galaxy Survey: The relationship between galaxy rotation and the motion of neighbours
Yifan Mai, Sam P. Vaughan, Scott M. Croom +12
Using data from the SAMI Galaxy Survey, we investigate the correlation between the projected stellar kinematic spin vector of 1397 SAMI galaxies and the line-of-sight motion of the…
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: 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 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…
Star-Forming, Rotating Spheroidal Galaxies in the GAMA and SAMI Surveys
Amanda J. Moffett, Steven Phillipps, Aaron S. G. Robotham +23
The Galaxy And Mass Assembly (GAMA) survey has morphologically identified a class of "Little Blue Spheroid" (LBS) galaxies whose relationship to other classes of galaxies we now ex…
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: 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…
First Light Results from the Hermes Spectrograph at the AAT
Andrew Sheinis, Borja Anguiano, Martin Asplund +60
The High Efficiency and Resolution Multi Element Spectrograph, HERMES, is a facility-class optical spectrograph for the Anglo-Australian Telescope (AAT). It is designed primarily f…
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 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 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…
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…
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-…
March of the Starbugs: Configuring Fibre-bearing Robots on the UK-Schmidt Optical Plane
Nuria P. F. Lorente, Minh Vuong, Christophe Satorre +4
The TAIPAN instrument, currently being developed for the Australian Astronomical Observatory's UK Schmidt telescope at Siding Spring Observatory, makes use of the AAO's Starbug tec…
Beating the Heat! Automated Characterization of Piezoelectric Tubes for Starbugs
Rafal Piersiak, Michael Goodwin, James Gilbert +1
The Australian Astronomical Observatory has extensively prototyped a new robotic positioner to allow simultaneous positioning of optical fibers at the focal plane called 'Starbugs'…
The SAMI Galaxy Survey: Shocks and Outflows in a normal star-forming galaxy
I-Ting Ho, Lisa J. Kewley, Michael A. Dopita +15
We demonstrate the feasibility and potential of using large integral field spectroscopic surveys to investigate the prevalence of galactic-scale outflows in the local Universe. Usi…
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 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…
The Sydney-AAO Multi-object Integral field spectrograph (SAMI)
Scott M. Croom, Jon S. Lawrence, Joss Bland-Hawthorn +22
We demonstrate a novel technology that combines the power of the multi-object spectrograph with the spatial multiplex advantage of an integral field spectrograph (IFS). The Sydney-…
Starbugs: all-singing, all-dancing fibre positioning robots
James Gilbert, Michael Goodwin, Jeroen Heijmans +7
Starbugs are miniature piezoelectric 'walking' robots with the ability to simultaneously position many optical fibres across a telescope's focal plane. Their simple design incorpor…