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Geraint F. Lewis

Geraint F. Lewis

University of Sydney
Australia

D-Index & Metrics

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

Geraint F. Lewis publications per year

The chart shows the history of publications by Geraint F. Lewis between 1992 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Geraint F. Lewis published across 35 years, from 1992 to 2026, averaging 24.4 papers a year. Output peaked at 62 publications in 2021. 31 of the 853 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1992 to 2026. Vertical axis: number of publications, 0 to 62. Peak 62 publications in 2021. 1992: 1 publication 1993: 1 publication 1994: 0 publications 1995: 3 publications 1996: 4 publications 1997: 7 publications 1998: 19 publications 1999: 13 publications 2000: 11 publications 2001: 22 publications 2002: 16 publications 2003: 20 publications 2004: 29 publications 2005: 28 publications 2006: 25 publications 2007: 23 publications 2008: 25 publications 2009: 21 publications 2010: 16 publications 2011: 24 publications 2012: 26 publications 2013: 28 publications 2014: 27 publications 2015: 19 publications 2016: 45 publications 2017: 43 publications 2018: 39 publications 2019: 56 publications 2020: 55 publications 2021: 62 publications 2022: 42 publications 2023: 28 publications 2024: 44 publications 2025: 29 publications 2026: 2 publications
1992 2026

853 publications in total across all disciplines

View publications per year as a table
Geraint F. Lewis: publications per year, 1992 to 2026
Year Publications
1992 1
1993 1
1994 0
1995 3
1996 4
1997 7
1998 19
1999 13
2000 11
2001 22
2002 16
2003 20
2004 29
2005 28
2006 25
2007 23
2008 25
2009 21
2010 16
2011 24
2012 26
2013 28
2014 27
2015 19
2016 45
2017 43
2018 39
2019 56
2020 55
2021 62
2022 42
2023 28
2024 44
2025 29
2026 2
Total 853
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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.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 723–742 publications, is where this scientist sits. 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
103–122 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.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64 731
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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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.

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 112–113 D-Index, is where this scientist sits. 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
70–71 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.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78 112
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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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

External Links

Wikipedia of Geraint F. Lewis Personal website of Geraint F. Lewis

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Best Scientists Citing Geraint F. Lewis

Rob Ivison

Rob Ivison

European Southern Observatory

Publications: 226

Joss Bland-Hawthorn

Joss Bland-Hawthorn

University of Sydney

Publications: 213

Robert A. Gruendl

Robert A. Gruendl

University of Illinois at Urbana-Champaign

Publications: 197

Sergey E. Koposov

Sergey E. Koposov

University of Edinburgh

Publications: 188

Felipe Menanteau

Felipe Menanteau

University of Illinois at Urbana-Champaign

Publications: 160

Puragra Guhathakurta

Puragra Guhathakurta

University of California, Santa Cruz

Publications: 151

Eva K. Grebel

Eva K. Grebel

Heidelberg University

Publications: 150

Scott Chapman

Scott Chapman

Dalhousie University

Publications: 147

Joshua A. Frieman

Joshua A. Frieman

University of Chicago

Publications: 147

Vasily Belokurov

Vasily Belokurov

University of Cambridge

Publications: 146

Juan Garcia-Bellido

Juan Garcia-Bellido

Autonomous University of Madrid

Publications: 144

Ian Smail

Ian Smail

Durham University

Publications: 138

Aaron J. Romanowsky

Aaron J. Romanowsky

San Jose State University

Publications: 137

D. L. Burke

D. L. Burke

Stanford University

Publications: 136

K. Honscheid

K. Honscheid

The Ohio State University

Publications: 136

Timothy C. Beers

Timothy C. Beers

University of Notre Dame

Publications: 133

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