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Léon V. E. Koopmans

Léon V. E. Koopmans

D-Index & Metrics

Physics

D-Index
98
Citations
35461
World Ranking
1756
National Ranking
35

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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