World's Best Scientists 2026 revealed!
Geraint F. Lewis

Geraint F. Lewis

D-Index & Metrics

Physics

D-Index
112
Citations
44622
World Ranking
1104
National Ranking
27

Geraint F. Lewis publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Geraint F. Lewis sits on this spectrum.

103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103 publications 1,469+

This scientist: 731 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

Geraint F. Lewis D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Geraint F. Lewis sits on this spectrum.

70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70 D-Index 185+

This scientist: 112 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

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

  • The GALAH survey: scientific motivation

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

  • The Sydney-AAO Multi-object Integral field spectrograph

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

  • 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

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

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

  • Distances and metallicities for 17 Local Group galaxies

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

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

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

  • 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

  • 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

  • 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

  • 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

  • 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

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

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

  • The GALAH+ survey: Third data release

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

  • The GALAH Survey: Second Data Release

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

  • 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

  • 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

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

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

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

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

  • 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

Frequent Co-Authors

Rodrigo A. Ibata
Rodrigo A. Ibata University of Strasbourg
Annette M. N. Ferguson
Annette M. N. Ferguson University of Edinburgh
Scott Chapman
Scott Chapman Dalhousie University
Mike Irwin
Mike Irwin University of Cambridge
Nial R. Tanvir
Nial R. Tanvir University of Leicester
Joss Bland-Hawthorn
Joss Bland-Hawthorn University of Sydney
Daniel B. Zucker
Daniel B. Zucker Macquarie University
Martin Asplund
Martin Asplund Australian National University
Felipe Menanteau
Felipe Menanteau University of Illinois at Urbana-Champaign
Karl Glazebrook
Karl Glazebrook Swinburne University of Technology

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