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Léon V. E. Koopmans

Léon V. E. Koopmans

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 98 1756 1671 35 35 326 35461

Léon V. E. Koopmans publications per year

The chart shows the history of publications by Léon V. E. Koopmans between 1995 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Léon V. E. Koopmans published across 31 years, from 1995 to 2025, averaging 12.4 papers a year. Output peaked at 30 publications in 2019. 47 of the 385 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1995 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2019. 1995: 1 publication 1996: 0 publications 1997: 0 publications 1998: 4 publications 1999: 5 publications 2000: 5 publications 2001: 6 publications 2002: 10 publications 2003: 10 publications 2004: 8 publications 2005: 5 publications 2006: 8 publications 2007: 6 publications 2008: 9 publications 2009: 22 publications 2010: 16 publications 2011: 13 publications 2012: 10 publications 2013: 13 publications 2014: 7 publications 2015: 18 publications 2016: 14 publications 2017: 20 publications 2018: 23 publications 2019: 30 publications 2020: 20 publications 2021: 17 publications 2022: 14 publications 2023: 24 publications 2024: 21 publications 2025: 26 publications
1995 2025

385 publications in total across all disciplines

View publications per year as a table
Léon V. E. Koopmans: publications per year, 1995 to 2025
Year Publications
1995 1
1996 0
1997 0
1998 4
1999 5
2000 5
2001 6
2002 10
2003 10
2004 8
2005 5
2006 8
2007 6
2008 9
2009 22
2010 16
2011 13
2012 10
2013 13
2014 7
2015 18
2016 14
2017 20
2018 23
2019 30
2020 20
2021 17
2022 14
2023 24
2024 21
2025 26
Total 385
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Léon V. E. Koopmans 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 Léon V. E. Koopmans 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, 323–342 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: 326 publications — 22nd percentile

22% 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
323–342 162 326
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
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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Léon V. E. Koopmans 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 Léon V. E. Koopmans 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, 98–99 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: 98 D-Index — 53rd percentile

53% 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 98
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
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

Léon V. E. Koopmans is affiliated with the University of Groningen in the Netherlands. Their research primarily spans the field of Physics and Astronomy, with a significant focus on the subfields of Astronomy and Astrophysics, Nuclear and High Energy Physics, Aerospace Engineering, Instrumentation, and Atomic and Molecular Physics, and Optics.

The scientist's work covers a range of topics including Radio Astronomy Observations and Technology, Galaxies: Formation, Evolution, Phenomena, Astrophysics and Cosmic Phenomena, Astronomy and Astrophysical Research, Gamma-ray bursts and supernovae, Superconducting and THz Device Technology, and Adaptive optics and wavefront sensing.

Koopmans has contributed to several notable publications with coauthors such as Florent Mertens, B. Ciardi, Raghunath Ghara, M. Mevius, and C. Tortora.

Frequent publication venues for their work include:

  • Monthly Notices of the Royal Astronomical Society
  • arXiv (Cornell University)
  • Astronomy and Astrophysics
  • The Astrophysical Journal
  • HAL (Le Centre pour la Communication Scientifique Directe)

Recent significant papers authored or coauthored by Koopmans include:

  • "Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies" (2022), Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna)
  • "Improved upper limits on the 21 cm signal power spectrum of neutral hydrogen at z ≈ 9.1 from LOFAR" (2020), Monthly Notices of the Royal Astronomical Society
  • "The LOFAR Two-meter Sky Survey: Deep Fields Data Release 1" (2020), Astronomy and Astrophysics
  • "Joint constraints on thermal relic dark matter from strong gravitational lensing, the Ly α forest, and Milky Way satellites" (2021), Monthly Notices of the Royal Astronomical Society
  • "Constraining the intergalactic medium at z ≈ 9.1 using LOFAR Epoch of Reionization observations" (2020), Monthly Notices of the Royal Astronomical Society

Best Publications

  • LOFAR: The LOw-Frequency ARray

    M. P. van Haarlem;M. W. Wise;A. W. Gunst;G. Heald

  • H0LiCOW – XIII. A 2.4 per cent measurement of H0 from lensed quasars: 5.3σ tension between early- and late-Universe probes

    Kenneth C. Wong;Sherry H. Suyu;Sherry H. Suyu;Sherry H. Suyu;Geoff C. F. Chen;Cristian E. Rusu;Cristian E. Rusu

  • The Sloan Lens ACS Survey. III. The Structure and Formation of Early-Type Galaxies and Their Evolution since z ≈ 1

    Leon V. E. Koopmans;Tommaso Treu;Adam S. Bolton;Adam S. Bolton;Scott Burles

  • The Sloan Lens ACS Survey. I. A large spectroscopically selected sample of massive early-type lens galaxies

    Adam S. Bolton;Adam S. Bolton;Scott Burles;Leon V. E. Koopmans;Tommaso Treu;Tommaso Treu

  • THE SLOAN LENS ACS SURVEY. X. STELLAR, DYNAMICAL, AND TOTAL MASS CORRELATIONS OF MASSIVE EARLY-TYPE GALAXIES

    M. W. Auger;T. Treu;A. S. Bolton;R. Gavazzi;R. Gavazzi

  • H0LiCOW - V. New COSMOGRAIL time delays of HE 0435-1223: H0 to 3.8 per cent precision from strong lensing in a flat ΛCDM model

    V. Bonvin;F. Courbin;S. H. Suyu;S. H. Suyu;S. H. Suyu;P. J. Marshall

  • The Sloan Lens ACS Survey. IV. The Mass Density Profile of Early-Type Galaxies out to 100 Effective Radii

    Raphaël Gavazzi;Tommaso Treu;Jason D. Rhodes;Léon V. E. Koopmans

  • Massive Dark Matter Halos and Evolution of Early-Type Galaxies to z ~ 1

    Tommaso Treu;Tommaso Treu;Léon V.E. Koopmans

  • The Sloan Lens ACS Survey. V. The Full ACS Strong-Lens Sample

    Adam S. Bolton;Scott Burles;Leon V. E. Koopmans;Tommaso Treu

  • The Cosmic Lens All-Sky Survey - I. Source selection and observations

    S. T. Myers;S. T. Myers;N. J. Jackson;I. W. A. Browne;A. G. de Bruyn

  • The Initial Mass Function of Early-Type Galaxies

    Tommaso Treu;Tommaso Treu;Matthew W. Auger;Leon V. E. Koopmans;Raphael Gavazzi;Raphael Gavazzi

  • Advancing Astrophysics with the Square Kilometre Array (AASKA14)

    Tyler. L. Bourke;Robert Braun;Rob Fender;Federica Govoni

  • Dissecting the Gravitational lens B1608+656. II. Precision Measurements of the Hubble Constant, Spatial Curvature, and the Dark Energy Equation of State

    S. H. Suyu;P. J. Marshall;P. J. Marshall;M. W. Auger;M. W. Auger;S. Hilbert

  • THE STRUCTURE AND DYNAMICS OF MASSIVE EARLY-TYPE GALAXIES: ON HOMOLOGY, ISOTHERMALITY, AND ISOTROPY INSIDE ONE EFFECTIVE RADIUS

    L. V. E. Koopmans;Adam S. Bolton;T. Treu;O. Czoske

  • TWO ACCURATE TIME-DELAY DISTANCES FROM STRONG LENSING: IMPLICATIONS FOR COSMOLOGY

    S. H. Suyu;S. H. Suyu;S. H. Suyu;M. W. Auger;S. Hilbert;P. J. Marshall

  • The Sloan Lens ACS Survey. II. Stellar Populations and Internal Structure of Early-Type Lens Galaxies*

    Tommaso Treu;Tommaso Treu;Léon V. Koopmans;Adam S. Bolton;Adam S. Bolton;Scott Burles

  • The Cosmic Lens All-Sky Survey - II. Gravitational lens candidate selection and follow-up

    I. W. A. Browne;P. N. Wilkinson;N. J. F. Jackson;S. T. Myers;S. T. Myers;S. T. Myers

  • H0LiCOW – I. H0 Lenses in COSMOGRAIL's wellspring: program overview

    Sherry H. Suyu;Sherry H. Suyu;Sherry H. Suyu;V. Bonvin;Frederic Courbin;Christopher D. Fassnacht

  • Detection of a dark substructure through gravitational imaging

    S. Vegetti;L. V. E. Koopmans;A. Bolton;T. Treu

  • Proceedings, Advancing Astrophysics with the Square Kilometre Array (AASKA14)

    Tyler L. Bourke;Robert Braun;Rob Fender;Federica Govoni

Frequent Co-Authors

Tommaso Treu
Tommaso Treu University of California, Los Angeles
Christopher D. Fassnacht
Christopher D. Fassnacht University of California, Davis
Roger Blandford
Roger Blandford Stanford University
Raphael Gavazzi
Raphael Gavazzi Institut d'Astrophysique de Paris
Gianni Bernardi
Gianni Bernardi National Institute for Astrophysics
Leonidas A. Moustakas
Leonidas A. Moustakas California Institute of Technology
Heino Falcke
Heino Falcke Radboud University
T. J. Pearson
T. J. Pearson California Institute of Technology
Joop Schaye
Joop Schaye Leiden University
Abhik Ghosh
Abhik Ghosh University of Tromsø - The Arctic University of Norway

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