Research output per year
Research output per year
Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Dive into the research topics where Léon Koopmans is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Automation of finding strong gravitational lenses in the Kilo Degree Survey with U-DenseLens (DenseLens + Segmentation)
Nagam, B. C., Koopmans, L. V. E., Valentijn, E. A., Kleijn, G. V., de Jong, J. T. A., Napolitano, N., Li, R., Tortora, C., Busillo, V. & Dong, Y., 24-Jan-2025, (Submitted) 16 p. (ArXiv).Research output: Working paper › Preprint › Academic
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Euclid: Finding strong gravitational lenses in the Early Release Observations using convolutional neural networks
Euclid Collaboration, Nagam, B. C., Barroso, J. A. A., Wilde, J., Andika, I. T., Manjón-García, A., Pearce-Casey, R., Stern, D., Kleijn, G. V., Koopmans, L. V. E., Valentijn, E. A., Vernardos, G., Corcho-Caballero, P., Branchini, E., George, K., Kuijken, K., Laureijs, R. & Tsyganov, A., 13-Feb-2025, (Submitted) arXiv, 15 p.Research output: Working paper › Preprint › Academic
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21-cm signal from the Epoch of Reionization: a machine learning upgrade to foreground removal with Gaussian process regression
Acharya, A., Mertens, F., Ciardi, B., Ghara, R., Koopmans, L. V. E., Giri, S. K., Hothi, I., Ma, Q. B., Mellema, G. & Munshi, S., 1-Jan-2024, In: Monthly Notices of the Royal Astronomical Society. 527, 3, p. 7835-7846 12 p.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile4 Citations (Scopus)50 Downloads (Pure) -
Automation of finding strong gravitational lenses in the Kilo Degree Survey with U – DenseLens (DenseLens + Segmentation)
Chowdhary, B. N., Koopmans, L. V. E., Valentijn, E. A., Kleijn, G. V., de Jong, J. T. A., Napolitano, N., Li, R., Tortora, C., Busillo, V. & Dong, Y., Sept-2024, In: Monthly Notices of the Royal Astronomical Society. 533, 2, p. 1426-1441 16 p.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile1 Citation (Scopus)20 Downloads (Pure) -
Euclid: The Early Release Observations Lens Search Experiment
Euclid Collaboration, 12-Aug-2024, (Submitted).Research output: Working paper › Preprint › Academic
File7 Downloads (Pure)
Activities
- 2 Academic presentation
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KITP Conference: Applications of Gravitational Lensing: Unique Insights into Galaxy Formation and Evolution, Oct 5, 2006, Kavli Institute for Theoretical Physics, University of California, Santa Barbara
Koopmans, L. (Speaker)
5-Oct-2006Activity: Talk and presentation › Academic presentation › Academic
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The New Cosmology Confronts Observation: The Cosmic Microwave Background, Dark Matter, Dark Energy, and Brane Worlds - KITP Program
Koopmans, L. (Speaker)
3-Oct-2002Activity: Talk and presentation › Academic presentation › Academic
Datasets
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MG B2016+112 radio images
Spingola, C. (Contributor), McKean, J. (Contributor), Massari, D. (Contributor) & Koopmans, L. (Contributor), University of Groningen, 30-Sept-2019
DOI: 10.26093/cds/vizier.36300108
Dataset
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SLACS. XIII. Galaxy-scale strong lens candidates
Shu, Y. (Contributor), Brownstein, J. R. (Contributor), Bolton, A. S. (Contributor), Koopmans, L. (Contributor), Treu, T. (Contributor), Montero-Dorta, A. D. (Contributor), Auger, M. W. (Contributor), Czoske, O. (Contributor), Gavazzi, R. (Contributor), Marshall, P. J. (Contributor) & Moustakas, L. A. (Contributor), University of Groningen, 23-Sept-2019
DOI: 10.26093/cds/vizier.18510048
Dataset
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LOFAR-HBA 3C196 field RM cubes
Jelic, V. (Contributor), Bruyn ,de, A. (Contributor), Pandey, V. (Contributor), Mevius, M. (Contributor), Haverkorn, M. (Contributor), Brentjens, M. A. (Contributor), Koopmans, L. (Contributor), Zaroubi, S. (Contributor), Abdalla, F. B. (Contributor), Asad, M. (Contributor), Bus, S. (Contributor), Chapman, E. (Contributor), Ciardi, B. (Contributor), Fernandez, B. (Contributor), Ghosh, A. (Contributor), Harker, G. (Contributor), Iliev, I. T. (Contributor), Jensen, H. (Contributor), Kazemi, S. (Contributor), Mellema, G. (Contributor), Offringa, A. R. (Contributor), Patil, A. (Contributor), Vedantham, H. (Contributor) & Yatawatta, S. (Contributor), University of Groningen, 9-Nov-2015
DOI: 10.26093/cds/vizier.35830137
Dataset
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LOFAR Two-metre Sky Survey Deep Fields DR1
Sabater, J. (Contributor), Best, P. N. (Contributor), Tasse, C. (Contributor), Hardcastle, M. J. (Contributor), Shimwell, T. W. (Contributor), Nisbet, D. (Contributor), Jelic, V. (Contributor), Callingham, J. R. (Contributor), Röttgering, H. J. A. (Contributor), Bonato, M. (Contributor), Bondi, M. (Contributor), Ciardi, B. (Contributor), Cochrane, R. K. (Contributor), Jarvis, M. J. (Contributor), Kondapally, R. (Contributor), Koopmans, L. (Contributor), O'Sullivan, S. P. (Contributor), Prandoni, I. (Contributor), Schwarz, D. J. (Contributor), Smith, D. J. B. (Contributor), Wang, L. (Contributor), Williams, W. L. (Contributor) & Zaroubi, S. (Contributor), Strasbourg Astronomical Data Center, 7-Apr-2021
DOI: 10.26093/cds/vizier.36480002
Dataset
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Galaxies and groups around the WFI 2033-4723 lens
Sluse, D. (Creator), Rusu, C. E. (Creator), Fassnacht, C. D. (Creator), Sonnenfeld, A. (Creator), Richard, J. (Creator), Auger, M. W. (Creator), Coccato, L. (Creator), Wong, K. C. (Creator), Suyu, S. H. (Creator), Treu, T. (Creator), Agnello, A. (Creator), Birrer, S. (Creator), Bonvin, V. (Creator), Collett, T. (Creator), Courbin, F. (Creator), Hilbert, S. (Creator), Koopmans, L. (Creator), Tihhanova, O. (Creator), Marshall, P. J. (Creator), Meylan, G. (Creator), Shajib, A. J. (Creator), Annis, J. (Creator), Avila, S. (Creator), Bertin, E. (Creator), Brooks, F. (Creator), Buckley-Geer, E. (Creator), Burke, D. L. (Creator), Carnero Rosell, A. (Creator), Carrasco Kind, M. (Creator), Carretero, J. (Creator), Castander, F. J. (Creator), da Costa, L. N. (Creator), De Vicente, J. (Creator), Desai, S. (Creator), Doel, P. (Creator), Evrard, A. E. (Creator), Flaugher, B. (Creator), Frieman, J. (Creator), Garcia-Bellido, J. (Creator), Gerdes, D. W. (Creator), Goldstein, D. A. (Creator), Gruendl, R. A. (Creator), Gschwend, J. E. (Creator), Hartley, W. G. (Creator), Hollowood, D. L. (Creator), Honscheid, K. (Creator), James, D. J. (Creator), Kim, A. G. (Creator), Krause, E. (Creator), Kuehn, K. (Creator), Kuropatkin, N. (Creator), Lima, M. (Creator), Lin, H. (Creator), Maia, M. A. G. (Creator), Marshall, J. L. (Creator), Melchior, P. (Creator), Menanteau, F. (Creator), Miquel, R. (Creator), Plazas, A. A. (Creator), Sanchez, E. (Creator), Serrano, S. (Creator), Sevilla-Noarbe, I. (Creator), Smith, M. (Creator), Soares-Santos, M. (Creator), Sobreira, F. (Creator), Suchyta, E. (Creator), Swanson, M. E. C. (Creator) & Tarle, G. (Creator), Centre de Donnees Strasbourg (CDS), 17-Feb-2023
DOI: 10.26093/cds/vizier.74900613
Dataset