Geraint F. Lewis

University of Sydney — Australia

Physics and Astronomy · Physical Sciences

83h-index25.6kcitations880works10.02yr avg
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Research Topics

Stellar, planetary, and galactic studies(407), Galaxies: Formation, Evolution, Phenomena(357), Astronomy and Astrophysical Research(301), Astrophysics and Star Formation Studies(164), Gamma-ray bursts and supernovae(150)

Publications876 total

Multi–band Reconstruction of Sixteen Gravitational Lens Systems using PISCO data
Monthly Notices of the Royal Astronomical Society·2026Open Access
Rotational Kinematics in the Globular Cluster System of M31: Insights from Bayesian Inference
The Open Journal of Astrophysics·2026Open Access
Detailed Chemical Abundance Analysis of the Brightest Stars in the Turranburra and Willka Yaku Stellar Streams
arXiv (Cornell University)·2025Open Access
OzDES Reverberation Mapping of Active Galactic Nuclei: Final Data Release, Black-Hole Mass Results, & Scaling Relations
ArXiv.org·2025Open Access
$S^5$: Tidal Disruption in Crater 2 and Formation of Diffuse Dwarf Galaxies in the Local Group
arXiv (Cornell University)·2025Open Access
OzDES Reverberation Mapping Program: CIV lags from six years of data
arXiv (Cornell University)·2025Open Access
Constraining Cosmology with Double-source-plane Strong Gravitational Lenses from the AGEL Survey
The Astrophysical Journal·2025· 1 citedOpen Access
Cosmological fine-tuning: the view from 2025
Religious Studies·2025Open Access
The GALAH survey: Improving chemical abundances using star clusters
Astronomy and Astrophysics·2025Open Access
Cosmic Multipoles in Galaxy Surveys II: Comparing Different Methods in Assessing the Cosmic Dipole
The Open Journal of Astrophysics·2025· 1 citedOpen Access
Cosmic dipole tensions: confronting the cosmic microwave background with infrared and radio populations of cosmological sources
Monthly Notices of the Royal Astronomical Society·2025Open Access
Cosmic dipole tensions: confronting the Cosmic Microwave Background with infrared and radio populations of cosmological sources
ArXiv.org·2025· 1 citedOpen Access
Cosmography with the Double-source-plane Strong Gravitational Lens <tt>AGEL</tt>150745+052256
The Astrophysical Journal·2025· 2 citedOpen Access
Unveiling M33’s hidden merger history: a potential population of star clusters on retrograde orbits
Monthly Notices of the Royal Astronomical Society·2025Open Access
Unveiling M33's Hidden Merger History: A Potential Population of Star Clusters on Retrograde Orbits
arXiv (Cornell University)·2025Open Access
Sifting for a Stream: The Morphology of the $300S$ Stellar Stream
arXiv (Cornell University)·2025Open Access
Accreted Globular Clusters and Horizontal Branch Morphology in the Outer Halo of M31
arXiv (Cornell University)·2025Open Access
Accreted globular clusters and horizontal branch morphology in the outer halo of M31
Monthly Notices of the Royal Astronomical Society Letters·2025· 2 citedOpen Access
Chemical Abundances in the Leiptr Stellar Stream: A Disrupted Ultra-faint Dwarf Galaxy?
The Open Journal of Astrophysics·2025· 2 citedOpen Access
Flipping of the Tidal Tails of the Ophiuchus Stream due to the Decelerating Galactic Bar
The Astrophysical Journal·2025· 5 citedOpen Access
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Frequent Co-authors

Rodrigo Ibata(26), M. J. Irwin(20), N. R. Tanvir(15), Joss Bland‐Hawthorn(14), A. M. N. Ferguson(14), Alan W. McConnachie(13), S. C. Chapman(11), Nicolas F. Martin(10), K. C. Freeman(9), M. Asplund(9), Karl Glazebrook(9), K. Kuehn(9), D. Carollo(8), Melissa Ness(8), D. Brooks(8), A. Carnero Rosell(8), F. J. Castander(8), T. M. Davis(8), H. T. Diehl(8), P. Fosalba(8)