2026 Geraint F. Lewis: Physics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Physics	112	1104	1042	27	26	731	44622

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Physics

112

1104

1042

731

44622

Overview

Geraint F. Lewis is affiliated with the University of Sydney in Australia and has a strong focus within the field of Physics and Astronomy. Their research encompasses several subfields including Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics, Atomic and Molecular Physics and Optics, as well as Statistical and Nonlinear Physics.

The scientist's work covers a broad range of main topics such as Stellar, planetary, and galactic studies, Astronomy and Astrophysical Research, Galaxies: Formation, Evolution, Phenomena, Gamma-ray bursts and supernovae, Astrophysics and Star Formation Studies, Cosmology and Gravitation Theories, and Astrophysics and Cosmic Phenomena.

The following list highlights some of their recent published papers along with their year of publication and venues:

The GALAH+ survey: Third data release, 2021, Monthly Notices of the Royal Astronomical Society
The Dark Energy Survey: Cosmology Results with ∼1500 New High-redshift Type Ia Supernovae Using the Full 5 yr Data Set, 2024, The Astrophysical Journal Letters
The GALAH survey: tracing the Galactic disc with open clusters, 2021, Monthly Notices of the Royal Astronomical Society
Measuring the Mass of the Large Magellanic Cloud with Stellar Streams Observed by S ⁵, 2021, The Astrophysical Journal
First cosmology results using type Ia supernovae from the Dark Energy Survey: the effect of host galaxy properties on supernova luminosity, 2020, Monthly Notices of the Royal Astronomical Society

Frequent co-authors in their work include:

D. B. Zucker (71 collaborations)
Joss Bland-Hawthorn (67 collaborations)
Sarah L. Martell (63 collaborations)
Sven Buder (54 collaborations)
K. Kuehn (53 collaborations)

Geraint F. Lewis has published extensively in well-known venues within astronomy and physics. The venues where their research appears most frequently include:

Monthly Notices of the Royal Astronomical Society (91 publications)
arXiv (Cornell University) (63 publications)
The Astrophysical Journal (24 publications)
Harvard Dataverse (8 publications)
Publications of the Astronomical Society of Australia (5 publications)

Best Publications

The Gaia-ESO Public Spectroscopic Survey

G. Gilmore;S. Randich;M. Asplund;J. Binney

1052
Citations
The GALAH survey: scientific motivation

G.M. De Silva;G.M. De Silva;K.C. Freeman;J. Bland-Hawthorn;S. Martell

764
Citations
The Sydney-AAO Multi-object Integral field spectrograph

Scott M. Croom;Jon S. Lawrence;Jon S. Lawrence;Joss Bland-Hawthorn;Julia J. Bryant

729
Citations
The remnants of galaxy formation from a panoramic survey of the region around M31

Alan W. McConnachie;Michael J. Irwin;Rodrigo A. Ibata;John Dubinski

707
Citations
A giant stream of metal-rich stars in the halo of the galaxy M31

Rodrigo Ibata;Michael Irwin;Geraint Lewis;Annette M. N. Ferguson

656
Citations
Distances and metallicities for 17 Local Group galaxies

A. W. McConnachie;M. J. Irwin;Annette Ferguson;R. A. Ibata

592
Citations
A vast, thin plane of corotating dwarf galaxies orbiting the Andromeda galaxy

Rodrigo A. Ibata;Geraint F. Lewis;Anthony R. Conn;Michael J. Irwin

568
Citations
Great Circle Tidal Streams: Evidence for a Nearly Spherical Massive Dark Halo around the Milky Way

Rodrigo Ibata;Geraint F. Lewis;Geraint F. Lewis;Michael Irwin;Edward Totten

561
Citations
The SAMI Galaxy Survey: Instrument specification and target selection

J. J. Bryant;J. J. Bryant;M. S. Owers;A. S. G. Robotham;S. M. Croom

526
Citations
A dwarf galaxy remnant in Canis Major: the fossil of an in-plane accretion onto the Milky Way

N. F. Martin;R. A. Ibata;M. Bellazzini;M. J. Irwin

496
Citations
Evidence for Stellar Substructure in the Halo and Outer Disk of M31

Annette M. N. Ferguson;Michael J. Irwin;Rodrigo A. Ibata;Geraint F. Lewis

487
Citations
A dwarf galaxy remnant in Canis Major: the fossil of an in-plane accretion on to the Milky Way

N. F. Martin;R. A. Ibata;M. Bellazzini;M. J. Irwin

472
Citations
The Haunted Halos of Andromeda and Triangulum: A Panorama of Galaxy Formation in Action*

R. Ibata;N. F. Martin;M. Irwin;S. Chapman

467
Citations
The GALAH+ survey: Third data release

Sven Buder;Sven Buder;Sanjib Sharma;Janez Kos;Anish M. Amarsi

429
Citations
The GALAH Survey: Second Data Release

Sven Buder;Sven Buder;Martin Asplund;Ly Duong;Janez Kos

367
Citations
Galactic Halo Substructure in the Sloan Digital Sky Survey: The Ancient Tidal Stream from the Sagittarius Dwarf Galaxy

Rodrigo Ibata;Michael Irwin;Geraint F. Lewis;Andrea Stolte

352
Citations
One ring to encompass them all: a giant stellar structure that surrounds the Galaxy

R. A. Ibata;M. J. Irwin;G. F. Lewis;Annette Ferguson

348
Citations
The Sydney-AAO Multi-object Integral field spectrograph (SAMI)

Scott M. Croom;Jon S. Lawrence;Joss Bland-Hawthorn;Julia J. Bryant

340
Citations
ARGOS - III. Stellar populations in the Galactic bulge of the Milky Way

M. Ness;K. Freeman;E. Athanassoula;E. Wylie-de-Boer

338
Citations
The large-scale structure of the halo of the Andromeda Galaxy Part I: global stellar density, morphology and metallicity properties

Rodrigo A. Ibata;Geraint F. Lewis;Alan W. McConnachie;Nicolas F. Martin

334
Citations