Fields of Research

Galactic astronomy
Stellar astronomy and planetary systems
Cosmology and extragalactic astronomy
Astronomical instrumentation
Planetary science (excl. solar system and planetary geology)
High energy astrophysics and galactic cosmic rays
Astronomical sciences
Decision support and group support systems
Terrestrial ecology
Accelerators

Research Objectives

Expanding knowledge in the physical sciences
Expanding knowledge in the mathematical sciences
Native forests
Satellite technologies, networks and services
Other information and communication services
Aerospace equipment
Scientific instruments
Climate variability (excl. social impacts)

Career Best Publications

Age, Metallicity, and the Distance to the Magellanic Clouds from Red Clump Stars; The Astrophysical Journal
Frequency of Solar-like Systems and of Ice and Gas and Giants Beyond the Snow Line from High-magnification Microlensing Events in 2005-2008; Astrophysical Journal
Leo A: A Late-Blooming Survivor of the Epoch of Reionization in the Local Group; The Astrophysical Journal
Spectroscopy of Red Giants in the Large Magellanic Cloud Bar: Abundances, Kinematics, and the Age-Metallicity Relation; The Astronomical Journal
The ACS nearby galaxy survey treasury; Astrophysical Journal. Supplement Series

Research Publications

A brown dwarf orbiting an M-dwarf: MOA 2009-BLG-411L; Astronomy and Astrophysics
A close look at the Centaurus A group of galaxies III. Recent star formation histories of late-type dwarfs around M83; Astronomy and Astrophysics
A close look at the Centaurus A group of galaxies: IV. Recent star formation histories of late-type dwarfs around CenA; Astronomy and Astrophysics
A Cold Neptune-Mass Planet OGLE-2007-BLG-368Lb: Cold Neptunes are Common; Astrophysical Journal
A frozen super-Earth orbiting a star at the bottom of the main sequence; Astronomy and Astrophysics
A giant planet beyond the snow line in microlensing event OGLE-2011-BLG-0251; Astronomy and Astrophysics
A Jovian analogue orbiting a white dwarf star; Nature
A new type of ambiguity in the planet and binary interpretations of central perturbations of high-magnification gravitational microlensing events; The Astrophysical Journal
A Photometric Survey of Field Stars in the Large Magellanic Cloud: Probing its Star-Formation History; New Views of the Magellanic Clouds
A possible binary system of a stellar remnant in the high-magnification gravitational microlensing event OGLE-2007-BLG-514; Astrophysical Journal
A Search for Optical Afterglow from GRB 970828; The Astrophysical Journal
A sensitive search for water masers associated with star formation regions in the Local Group Galaxy NGC 6822; Publications of the Astronomical Society of Australia
A sub-Saturn mass planet, MOA-2009-BLG-319LB; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
A super-Jupiter orbiting a late-type star: a refined analysis of microlensing event OGLE-2012-BLG-0406; The Astrophysical Journal
A unified model for age-velocity dispersion relations in Local Group galaxies: disentangling ISM turbulence and latent dynamical heating; Monthly Notices of the Royal Astronomical Society
A Wide Field Planetary Camera 2 Study of the Resolved Stellar Population of the Pegasus Dwarf Irregular Galaxy (DDO 216)¹; The Astronomical Journal
Abundance Patterns of the Large Magellanic Cloud Disk and Bar; Origin and Evolution of the Elements
Accurate radial velocity and metallicity of the Large Magellanic Cloud old globular clusters NGC1928 and NGC1939; Monthly Notices of the Royal Astronomical Society
Adaptive optics imaging can break the central caustic cusp approach degeneracy in high-magnification microlensing events; The Astronomical Journal
Age, Metallicity, and the Distance to the Magellanic Clouds from Red Clump Stars; The Astrophysical Journal
Ages and Metallicities of Field Stars in the Large Magellanic Cloud; NASA Goddard Space Flight Center Workshop on Spectrophotometric Dating of Stars and Galaxies
An Isolated Stellar-mass Black Hole Detected through Astrometric Microlensing; Astrophysical Journal
An Upper Limit to the Age of the Galactic Bar; The Astrophysical Journal
Analyzing linear spatial features in ecology; Ecology
Astro-ecology? Shifting the interdisciplinary collaboration paradigm; Ecology and Evolution
Binary microlensing event OGLE-2009-BLG-020 gives verifiable mass, distance, and orbit predictions; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
Booms and Busts: the Burstiness of Star Formation in Nearby Dwarf Galaxies; Publications of the Astronomical Society of Australia
Breaking the Age-Metallicity Degeneracy: The Metallicity Distribution and Star Formation History of the Large Magellanic Cloud; IAU Symposium 256
C32: A Young Star Cluster in IC 1613; Publications of the Astronomical Society of the Pacific
Ca ɪɪ triplet spectroscopy of RGB stars in NGC 6822: kinematics and metallicities; Monthly Notices of the Royal Astronomical Society
Ca II Triplet Spectroscopy of Large Magellanic Cloud Red Giants. I. Abundances and Velocities for a Sample of Populous Clusters; The Astronomical Journal
Campaign 9 of the K2 mission: Observational parameters, scientific drivers, and community involvement for a simultaneous space- and ground-based microlensing survey; Publications of the Astronomical Society of the Pacific
Characterizing lenses and lensed stars of high-magnification single-lens gravitational microlensing events with lenses passing over source starts; The Astrophysical Journal
Characterizing low-mass binaries from observation of long-timescale caustic-crossing gravitational microlensing events; The Astrophysical Journal
Chemical abundances in LMC stellar populations I. The inner disk sample; Astronomy and Astrophysics
Chemical abundances in LMC stellar populations: II. the bar sample; Astronomy and Astrophysics
Chemical abundances in the old LMC globular cluster Hodge 11; Astronomy and Astrophysics
Chemistry and kinematics of the late-forming dwarf irregular galaxies Leo A, Aquarius, and the Sagittarius DIG; Astrophysical Journal
Cluster and Star Formation in the Local Group Galaxy IC 1613; Star Formation from the Small to the Large Scale
Coimbra Experiment: Group 3 analysis; Observed HR Diagrams and Stellar Evolution
Combining Spitzer parallax and Keck II adaptive optics imaging to measure the mass of a solar-like star orbited by a cold gaseous planet discovered by microlensing; Astronomical Journal
Comparing M31 and Milky Way satellites: the extended star formation histories of Andromeda II and Andromeda XVI; The Astrophysical Journal
Comparing the ancient star formation histories of the magellanic clouds; Monthly Notices of the Royal Astronomical Society
Confirmation of the stellar binary microlensing event, Macho 97-BLG-28; Astrophysical Journal
DDO 216-A1: a central globular cluster in a low-luminosity transition-type galaxy; Astrophysical Journal
Deep Hubble Space Telescope Imaging of IC 1613. I. Variable Stars and Distance; The Astrophysical Journal
Deep Hubble Space Telescope Imaging of IC 1613. II. The Star Formation History; The Astrophysical Journal
Deep Hubble Space Telescope Imaging of Sextans A. I. The Spatially Resolved Recent Star Formation History; The Astronomical Journal
Deep Hubble Space Telescope Imaging of Sextans A. II. Cepheids and Distance; The Astronomical Journal
Deep Hubble Space Telescope Imaging of Sextans A. III. The Star Formation History; The Astronomical Journal
Deep wide-field imaging down to the oldest main sequence turn-offs in the Sculptor dwarf spheroidal galaxy; Astronomy and Astrophysics
Delayed star formation in isolated dwarf galaxies: Hubble Space Telescope star formation history of the Aquarius dwarf irregular; The Astrophysical Journal
Detailed Properties of Populous Clusters in the Large Magellanic Cloud; IAU Symposium 241
Discovery and mass measurements of a cold, 10 earth mass planet and its host star; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
Disentangling the stellar populations of Fornax Dwarf Spheroidal; CRAL-2010: A Universe of Dwarf Galaxies
Dwarf galaxies beyond our doorstep: the Centaurus A group; CRAL2010: A Universe of Dwarf Galaxies
Extreme Magnification Microlensing Event OGLE-2008-BLG-279: Strong Limits on Planetary Companions to the Lens Stars; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
Far-Ultraviolet and Visible Imaging of the Nucleus of M32; The Astrophysical Journal
Far-Ultraviolet Imaging of the Large Magellanic Cloud Populous Cluster NGC 1978 with WFPC2; Astronomical Journal
Frequency of Solar-like Systems and of Ice and Gas and Giants Beyond the Snow Line from High-magnification Microlensing Events in 2005-2008; Astrophysical Journal
From K giants to G dwarfs: stellar lifetime effects on metallicity distributions derived from red giants; Monthly Notices of the Royal Astronomical Society
Globular cluster ejection, infall, and the host dark matter halo of the Pegasus dwarf galaxy; Monthly Notices of the Royal Astronomical Society
High-precision polarimetry of nearby stars (d < 50 pc): Mapping the interstellar dust and magnetic field inside the Local Bubble; Astronomy & Astrophysics
How typical are the local group dwarf galaxies; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
Interpretation of a short-term anomaly in the gravitational microlensing event MOA-2012-BLG-486; Astrophysical Journal
Keck observations confirm a super-Jupiter planet orbiting M dwarf OGLE-2005-BLG-071L; Astronomical Journal
Kinematic and metallicity properties of the Aquarius dwarf galaxy from FORS2 MXU spectroscopy; Astronomy & Astrophysics
Leo A: A Late-Blooming Survivor of the Epoch of Reionization in the Local Group; The Astrophysical Journal
Life at the periphery of the Local Group: the kinematics of the Tucana dwarf galaxy; Astronomy & Astrophysics
LMC Cluster Abundances and Kinematics; ESO Astrophysics Symposium
Local group dwarf galaxies; Proceedings of International Astronomical Union
Lower atmosphere and pressure evolution on Pluto from ground-based stellar occultations, 1988-2016; Astronomy and Astrophysics
Mapping the Structure and Metallicity of the RGB Population in the Dwarf Irregular NGC 6822
Mass measurement of a single unseen star and planetary detection efficiency for OGLE 2007-BLG-050; Astronomy and Astrophysics
Mean age gradient and asymmetry in the star formation history of the small magellanic cloud; Astrophysical Journal
Metallicities and radial velocities of five open clusters including a new candidate member of the Monoceros stream; Monthly Notices of the Royal Astronomical Society
Metallicity and kinematics of a large sample of LMC and SMC clusters; The Magellanic System: Stars, Gas and Galaxies
Microlensing binaries discovered through high-magnification channel; Astrophysical Journal
Microlensing binaries with candidate brown dwarf companions; The Astrophysical Journal
Microlensing discovery of a population of very tight, very low mass binary brown dwarfs; The Astrophysical Journal
MOA 2010-BLG-477Lb: Constraining the mass of a microlensing planet from microlensing parallax, orbital motion, and detection of blended light; The Astrophysical Journal
MOA-2007-BLG-400 A super-Jupiter-mass planet orbiting a galactic bulge K-dwarf revealed by Keck adaptive optics imaging; The Astronomical Journal
MOA-2009-BLG-319Lb: A sub-saturn planet inside the predicted mass desert; Astronomical Journal
MOA-2009-BLG-387Lb: a massive planet orbiting an M dwarf; Astronomy and Astrophysics: A European Journal
Moa-2010-BLG-073L: An M-dwarf with a substellar companion at the planet/brown dwarf boundary; Astrophysical Journal
MOA-2010-BLG-311: A planetary candidate below the threshold of reliable detection; Astrophysical Journal
MOA-2010-BLG-328LB: A sub-Neptune orbiting very late M dwarf?; Astrophysical Journal
MOA-2010-BLG-523: 'FAILED PLANET' = RS CVn STAR; Astrophysical Journal
MOA-2011-BLG-262Lb: a sub-earth-mass moon orbiting a gas giant primary or a high velocity planetary system in the galactic bulge; The Astrophysical Journal
Observational hints of a real age spread in the young LMC star cluster NGC 1971; Monthly Notices of the Royal Astronomical Society
Observations and Implications of the Star Formation History of the Large Magellanic Cloud; The Astronomical Journal
OGLE 2008-BLG-290: an accurate measurement of the limb darkening of a galactic bulge K Giant spatially resolved by microlensing; Astronomy and Astrophysics
OGLE-2008-BLG-510: First automated real-time detection of a weak microlensing anomaly - brown dwarf or stellar binary?; Monthly Notices of the Royal Astronomical Society
OGLE-2009-BLG-092/MOA-2009-BLG-137: A Dramatic repeating event with the second perturbation predicted by real-time analysis; Astrophysical Journal
OGLE-2011-BLG-0265Lb: a Jovian microlensing planet orbiting an M Dwarf; The Astrophysical Journal
OGLE-2017-BLG-1186: first application of asteroseismology and Gaussian processes to microlensing; Monthly Notices of the Royal Astronomical Society
OGLE-2017-BLG-1434Lb: Confirmation of a cold super-Earth using Keck adaptive optics; The Astronomical Journal
On the Origin of the Supergiant H I Shell and Putative Companion in Ngc 6822; Astrophysical Journal
One or more bound planets per Milky Way star from microlensing observations; Nature
Optical Gamma-Ray Burst Followup at Kitt Peak National Observatory; Gamma-Ray Bursts
Photometric metallicity map of the Large Magellanic Cloud; Monthly Notices of the Royal Astronomical Society
Photometric metallicity map of the Small Magellanic Cloud; Monthly Notices of the Royal Astronomical Society
Pluto's atmosphere from the 2015 June 29 ground-based stellar occultation at the time of the new horizons flyby; Astrophysical Journal Letters
Pluto’s Haze from 2002 - 2015: Correlation with the Solar Cycle; 19th General Assembly 2017 of the European Geosciences Union
Prolate rotation and metallicity gradient in the transforming dwarf galaxy Phoenix; Monthly Notices of the Royal Astronomical Society
Radial velocity and metallicity of the globular cluster IC4499 obtained with AAOmega*; Monthly Notices of the Royal Astronomical Society
Reanalyses of anomalous gravitational microlensing events in the OGLE-III early warning system database with combined data; The Astrophysical Journal
Red giants in the Small Magellanic Cloud - I. Disc and tidal stream kinematics; Monthly Notices of the Royal Astronomical Society
Red giants in the Small Magellanic Cloud - II. Metallicity gradient and age-metallicity relation; Monthly Notices of the Royal Astronomical Society
Red noise versus planetary interpretations in the microlensing event OGLE-2013-BLG-446; Astrophysical Journal
Revisiting MOA 2013-BLG-220L: a solar-type star with a cold super-Jupiter companion; Astronomical Journal
Revisiting the microlensing event Ogle 2012-Blg-0026: a solar mass star with two cold giant planets; Astrophysical Journal
SMC in space and time: a project to study the evolution of the prototype interacting late-type dwarf galaxy; Low-Metallicity Star Formation: From the First Stars to Dwarf Galaxies, IAU Symposium S255
Spectroscopy of Red Giants in the Large Magellanic Cloud Bar: Abundances, Kinematics, and the Age-Metallicity Relation; The Astronomical Journal
Star cluster formation history along the minor axis of the Large Magellanic Cloud; Monthly Notices of the Royal Astronomical Society
Star formation at the edge of the Local Group: a rising star formation history in the isolated galaxy WLM; Monthly Notices of the Royal Astronomical Society
Star formation history in two fields of the small magellanic cloud bar; Astrophysical Journal
Star Formation History of the Disk of the Large Magellanic Cloud; New Views of the Magellanic Clouds
Star Formation History of the Small Magellanic Cloud: Six Hubble Space Telescope/Advanced Camera for Survey Fields; The Astrophysical Journal
Star-Formation Rates from Resolved Stellar Populations; Star-Formation Rates of Galaxies
Stars at Low Metallicity in Dwarf Galaxies; IAU Symposium 255
Stars at Low Metallicity in Dwarf Galaxies; IAU Symposium 255
Stellar kinematics of the isolated dwarf irregular WLM; CRAL - 2010 A Universe of Dwarf Galaxies
Stellar metallicities and kinematics in a gas-rich dwarf galaxy: first calcium triplet spectroscopy of red giant branch stars in WLM; Astrophysical Journal
Stellar Populations at the Center of IC 1613; The Astronomical Journal
Stellar Populations in Three Outer Fields of the Large Magellanic Cloud; The Astronomical Journal
Stellar Spectroscopy of Individual Stars in Local Group Galaxies with the VLT
Stromgren Photometry of Field Red Giants in the LMC; New Views of the Magellanic Clouds
Sub-Saturn planet MOA-2008-BLG-310Lb: Likely to be in the galactic bulge; Astrophysical Journal
The 2MASS CMD of the Milky Way: Inferring Structure and History; Observed HR Diagrams and Stellar Evolution
The 2MASS Color-Magnitude Diagram of the Center of the Sagittarius Dwarf Galaxy: Photometric Measurements of a Surprisingly High Mean Metallicity; The Astrophysical Journal
The acs LCID project-VIII. The short-period cepheids of Leo A; Monthly Notices of the Royal Astronomical Society
THE ACS LCID PROJECT. I. Short-period variables in the isolated dwarf spheroidal galaxies cetus and tucana; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
The ACS lCID Project. IX. Imprints of the early universe in the radial variation of the star formation history of dwarf galaxies; Astrophysical Journal
The ACS LCID Project. V. The star formation history of the dwarf galaxy LGS-3: clues to cosmic reionizaton and feedback; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
The ACS LCID Project. VI. The star formation history of the Tucana dSph and the relative ages of the isolated dSph galaxies; Astrophysical Journal
The ACS LCID project. X. The star formation history of IC 1613: revisiting the over-cooling problem; The Astrophysical Journal
The ACS LCID Project. XI. On the early time resolution of SFHs of local group dwarf galaxies: comparing the effects of reionization in models with observations; The Astrophysical Journal
THE ACS LCID Project.III. The Star Formation History of the Cetus dSph Galaxy: A Post-Reionization Fossil; Astrophysical Journal
The ACS LCID project: on the origin of dwarf galaxy types - a manifestation of the halo assembly bias?; Astrophysical Journal Letters
The ACS LCID Project: Quantifying the Delayed Star Formation in Leo A; IAU Symposium 241
The ACS LCID Project: RR Lyrae Stars as Tracers of Old Population Gradients in the Isolated Dwarf Spheroidal Galaxy Tucana; The Astrophysical Journal
The ACS nearby galaxy survey treasury; Astrophysical Journal. Supplement Series
The ACS Nearby Galaxy Survey Treasury VIII. The Global Star Formation Histories of 60 Dwarf Galaxies in the Local Volume; The Astrophysical Journal: An International Review of Astronomy and Astronomical Physics
The ACS Nearby Galaxy Survey Treasury. I. The Star Formation History of the M81 Outer Disk; The Astronomical Journal
The ACS nearby galaxy survey treasury. II. Young stars and their relation to Hα and UV Emission timescales in the M81 Outer Disk; The Astrophysical Journal
The advanced camera for surveys nearby galaxy survey treasury. V. Radial star formation history of NGC 300; Astrophysical Journal
The Age-Metallicity Relation of the SMC; ESO Astrophysics Symposium
The comparative chemical evolution of an isolated dwarf galaxy: a vlt and keck spectroscopic survey of wlm; Astrophysical Journal
The Cosmological Significance of High-Velocity Cloud Complex H; The Astrophysical Journal
The Distance to the Large Magellanic Cloud; Science
The Distance to the Large Magellanic Cloud
The effects of age on red giant metallicities derived from the near-infrared Ca II triplet; Monthly Notices of the Royal Astronomical Society
The first circumbinary planet found by microlensing: OGLE-2007-BLG-349L(AB)c; Astronomical Journal
The first planetary microlensing event with two microlensed source stars; Astronomical Journal
The Hubble space telescope survey of M31 Satellite Galaxies. I. RR Lyrae–based distances and refined 3D geometric structure; The Astrophysical Journal
The ISLANDS project. I. Andromeda XVI, an extremely low mass galaxy not quenched by reionization; Astrophysical Journal
The ISLAndS Project. II. The lifetime star formation histories of six Andromeda dSphs; Astrophysical Journal
The ISLAnds Project. III. Variable stars in six Andromeda dwarf spheroidal galaxies; Astrophysical Journal
The JWST resolved stellar populations early release science program I.: NIRCam Flux Calibration; American Astronomical Society. Bulletin
The Metallicity Distribution Function of Red Giants in the Large Magellanic Cloud; The Astronomical Journal
The resolved structure and dynamics of an isolated dwarf galaxy: A VLT and Keck spectroscopic survey of WLM; Astrophysical Journal
The star formation history in the far outer disc of M33; Royal Astronomical Society. Monthly Notices
The star formation history of the Fornax dwarf spheroidal galaxy; Stellar Populations - Planning for the next decade
The Star Formation History of the Large Magellanic Cloud; The Astrophysical Journal
The star formation history of the Sculptor dwarf irregular galaxy; Astronomy and Astrophysics
The structure of Chariklo's rings from stellar occultations; Astronomical Journal
The University of Tasmania Greenhill Observatory; Annual General Meeting of the Astronomical Society of Australia 2015
Two Distinct Ancient Components in the Sculptor Dwarf Spheroidal Galaxy: First Results from the Dwarf Abundances and Radial Velocities Team; The Astrophysical Journal
Ultraviolet Color-Magnitude Diagram Studies of Intermediate Age Large Magellanic Cloud Star Clusters.I.NGC 1783; Astronomical Journal
Ultraviolet Imaging Polarimetry of the Large Magellanic Cloud. I. Observations; The Astronomical Journal
Ultraviolet Imaging Polarimetry of the Large Magellanic Cloud. II. Models; The Astronomical Journal
Using the Ca II triplet to trace abundance variations in individual red giant branch stars in three nearby galaxies; Monthly Notices of the Royal Astronomical Society
Variable Stars in Leo A: RR Lyrae Stars, Short-Period Cepheids, and Implications for Stellar Content; The Astronomical Journal
WFPC2 Observations of Leo A: A Young Galaxy?; The Magellanic Clouds and Other Dwarf Galaxies
Whence the interstellar magnetic field shaping the heliosphere?; Astrophysical Journal. Supplement Series
Wide Field Planetary Camera 2 Observations of Leo A: A Predominantly Young Galaxy Within the Local Group; The Astronomical Journal

Research Projects

An Imaging Survey for Relics of Galaxy Formation beyond the Milky Way; University of Tasmania (UTAS)
Australian Access to the Legacy Survey for Space and Time; Australian Research Council (ARC)
From the Magellanic Clouds to the Milky Way: A New Understanding of Galaxy Structure and Interactions Based on Kinematics of 5000 Stars; Department of Industry, Science, Energy and Resources (DISER)
Hidden Earths and Distant Suns: A New Optical Astronomy Observatory in Tasmania; Australian Research Council (ARC)
Measuring the detailed Chemical Abundances of Field Stars and Clusters in the large Magellanic Cloud; University of Tasmania (UTAS)
The Occurrence of Cold Planets in the Galaxy; Australian Research Council (ARC)
Anglo-Australian Telescope Consortium Agreement
Donation - Greenhill Observatory
SpaceX Project

Research Candidate Supervision

A Kinematical Approach to Gravitational Lensing
A Survey for Diffuse Radio Sources in Southern Galaxy Clusters as Targets for a Multiwavelength Analysis of Galaxy Cluster Mergers
A Survey for Stellar Relics of Galaxy Formation in the Large Magellanic Cloud
Detection in microseparation formats designed, modelled and fabricated utilising modern engineering technologies
Milky Way Halo Objects, IC 4499 and the Large Magellanic Cloud
Observational Probes of Helium Ignition in Low-Mass Stars
Spectroscopic Identification and Characterisation of Red Dwarf Star Exoplanet Host Candidates
The link between Active Galactic Nuclei and the stellar evolution of their host galaxy
The Magnetic Rayleigh-Taylor Instability