LK
L. V. E. Koopmans
astro-ph.COastro-ph.GAastro-ph.IMastro-phastro-ph.HEastro-ph.SRgr-qcastro-ph.EPhep-phphysics.space-ph
On Valency
published · living versionsW_37jcc2s9·v1 · currentpublished
H0LiCOW V. New COSMOGRAIL time delays of HE0435-1223: to 3.8% precision from strong lensing in a flat CDM model
with V. Bonvin, F. Courbin, S. H. Suyu, P. J. Marshall +13
1 version
W_hfxes35b·v1published
Preprints & journals
351 papers in the corpus · 1997–2026LenNet: Direct Detection and Localization of Strong Gravitational Lenses in Wide-Field Sky Survey Images2609.21661v1 · Pufan Liu, Hui Li, Ziqi Li et al.2026 · 1 citationFront. Astron. Space Sci. 12 (2025), 1656917
Associating binary black holes with galactic centres using lensed gravitational waves2609.10285v1 · Laura Uronen, Tian Li, Qiuhan He et al.2026 · 0 citationsarXiv
The MegaWave Radio Surveyor2608.26322v2 · T. Joseph W. Lazio (Michigan), Evgenya Shkolnik (ASU), James Aguirre et al.2026 · 0 citationsarXiv
A Singular Value Decomposition Framework for Jovian Radio Emissions from Parker Solar Probe2608.25075v1 · Evan Wille, Zack Li, Marc Pulupa et al.2026 · 0 citationsarXiv
Overview of 21cm Experiments at high redshift with SKAO2606.26435v2 · EoR/CD Science Working Group, Gianni Bernardi, Daniela Breitman et al.2026 · 0 citationsarXiv
Joint Estimation of Properties of the Lunar Subsurface and Galactic Foregrounds with LuSEE-Night2604.21170v2 · Fatima Yousuf, Zack Li, Stuart D. Bale et al.2026 · 0 citationsarXiv
Machine Learning Assisted NEO Discovery and Polarimetric Characterisation with Astronomical Surveys2604.02999v1 · G.A. Verdoes Kleijn, T. Grobler, S.J. Chong et al.2026 · 0 citationsarXiv
Joint Bayesian Source and Lens Reconstruction for Multi-messenger Binary Black Holes2603.09794v1 · Laura Uronen, Tian Li, Justin Janquart et al.2026 · 0 citationsarXiv
POLAR-II: modeling star formation history of galaxies on the 21-cm signal from Epoch of Reionization2603.09805v1 · Qing-Bo Ma, Raghunath Ghara, Benedetta Ciardi et al.2026 · 0 citationsA&A 708, A320 (2026)
The impact of lunar topography on the 21-cm power spectrum for grid-based arrays : Insights for the Dark-ages EXplorer (DEX)2512.08906v1 · S. Ghosh, L. V. E. Koopmans, C. Brinkerink et al.2025 · 1 citationarXiv
Linear map-making with LuSEE-Night2508.16773v3 · Hugo Camacho, Kaja M. Rotermund, Anze Slosar et al.2025 · 1 citationarXiv
Mitigating incoherent excess variance in high-redshift 21 cm observations with multi-output cross-Gaussian process regression2508.08235v2 · S. Munshi, L. V. E. Koopmans, F. G. Mertens et al.2025 · 0 citationsA&A 704, A205 (2025)
Improved upper limits on the 21-cm signal power spectrum at and from an optimal field observed with NenuFAR2507.10533v2 · S. Munshi, F. G. Mertens, J. K. Chege et al.2025 · 13 citationsMon Not R Astron Soc (2025) 2785-2807
Constraints on the state of the IGM at using redshifted 21-cm observations with LOFAR2505.00373v1 · R. Ghara, S. Zaroubi, B. Ciardi et al.2025 · 15 citationsA&A 699, A109 (2025)
First upper limits on the 21-cm signal power spectrum of neutral hydrogen at from the LOFAR 3C196 field2504.18534v1 · E. Ceccotti, A. R. Offringa, F. G. Mertens et al.2025 · 9 citationsMon Not R Astron Soc (2025) 1255-1283
Broadband Polarized Radio Emission Detected from Starlink Satellites Below 100 MHz with NenuFAR2504.10032v1 · X. Zhang, P. Zarka, C. Viou et al.2025 · 9 citationsA&A 698, A244 (2025)
Finding black holes: an unconventional multi-messenger.40205869 · Uronen, Laura Elina, Li, Tian, Janquart, Justin et al.2025 · 7 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2025;383(2294):20240152
The Dark Ages Explorer (DEX): a filled-aperture ultra-long wavelength radio interferometer on the lunar far side2504.03418v1 · C.D. Brinkerink, M.J. Arts, M.J. Bentum et al.2025 · 0 citationsarXiv
The impact of diffuse Galactic emission on direction-independent gain calibration in high-redshift 21 cm observations2504.03554v2 · C. Hofer, L.V.E. Koopmans, S.A. Brackenhoff et al.2025 · 3 citationsA&A 704, A117 (2025)
Robust direction-dependent gain-calibration of beam-modelling errors far from the target field2504.02483v2 · S.A. Brackenhoff, A.R. Offringa, M. Mevius et al.2025 · 6 citationsMon Not R Astron Soc (2025) 3993-4010
Near-field imaging of local interference in radio interferometric data: Impact on the redshifted 21 cm power spectrum2503.21728v2 · S. Munshi, F. G. Mertens, L. V. E. Koopmans et al.2025 · 9 citationsA&A 697, A203 (2025)
Euclid Quick Data Release (Q1). A probabilistic classification of quenched galaxies2503.15315v3 · P. Corcho-Caballero, Y. Ascasibar, G. Verdoes Kleijn et al.2025 · 4 citationsarXiv
Square Kilometre Array Science Data Challenge 3a: foreground removal for an EoR experiment2503.11740v1 · A. Bonaldi, P. Hartley, R. Braun et al.2025 · 10 citationsarXiv
Optical+NIR analysis of a Newly Confirmed Einstein ring at z$\sim$1 from the Kilo-Degree Survey: Dark matter fraction, total and dark matter density slope and IMF2503.10180v2 · Rui Li, Nicola R. Napolitano, Giuseppe D Ago et al.2025 · 1 citationarXiv
Deeper multi-redshift upper limits on the Epoch of Reionization 21-cm signal power spectrum from LOFAR between z=8.3 and z=10.12503.05576v2 · F. G. Mertens, M. Mevius, L. V. E. Koopmans et al.2025 · 38 citationsA&A 698, A186 (2025)
Spectral modelling of Cygnus A between 110 and 250 MHz. Impact on the LOFAR 21-cm signal power spectrum2502.18459v1 · E. Ceccotti, A. R. Offringa, L. V. E. Koopmans et al.2025 · 9 citationsA&A 696, A56 (2025)
Reducing false positives in strong lens detection through effective augmentation and ensemble learning2502.14936v1 · Samira Rezaei, Amirmohammad Chegeni, Bharath Chowdhary Nagam et al.2025 · 2 citationsMonthly Notices of the Royal Astronomical Society, Volume 538, Issue 2, April 2025, Pages 1081-1095
CASCO: Cosmological and AStrophysical parameters from Cosmological simulations and Observations III. The physics behind the emergence of the golden mass scale2502.13589v2 · C. Tortora, V. Busillo, N. R. Napolitano et al.2025 · 4 citationsA&A 702, A177 (2025)
Euclid: Finding strong gravitational lenses in the Early Release Observations using convolutional neural networks2502.09802v1 · B. C. Nagam, J. A. Acevedo Barroso, J. Wilde et al.2025 · 8 citationsarXiv
Extracting the Epoch of Reionization Signal with 3D U-Net Neural Networks Using Data-driven Systematic Effect Model2412.16853v2 · Li-Yang Gao, L'eon V. E. Koopmans, Florent G. Mertens et al.2024 · 2 citationsApJ 988 (2025) 84
CASCO: Cosmological and AStrophysical parameters from Cosmological simulations and Observations -- II. Constraining cosmology and astrophysical processes with early- and late-type galaxies2412.00217v1 · Valerio Busillo, Crescenzo Tortora, Giovanni Covone et al.2024 · 3 citationsA&A 693, A112 (2025)
Euclid: Searches for strong gravitational lenses using convolutional neural nets in Early Release Observations of the Perseus field2411.16808v1 · R. Pearce-Casey, B. C. Nagam, J. Wilde et al.2024 · 17 citationsarXiv
Exploring the effect of different cosmologies on the Epoch of Reionization 21-cm signal with POLAR2410.11620v2 · Anshuman Acharya, Qing-bo Ma, Sambit K. Giri et al.2024 · 4 citationsMon Not R Astron Soc (2025) 1058-1078
Galaxy-Galaxy Strong Lensing with U-Net (GGSL-UNet). I. Extracting 2-Dimensional Information from Multi-Band Images in Ground and Space Observations2410.02936v1 · Fucheng Zhong, Ruibiao Luo, Nicola R. Napolitano et al.2024 · 0 citationsarXiv
Using Convolutional Neural Networks to Search for Strongly Lensed Quasars in KiDS DR52409.17471v2 · Zizhao He, Rui Li, Yiping Shu et al.2024 · 3 citationsarXiv
Inferring the density, spin-temperature and neutral-fraction fields of HI from its 21-cm brightness temperature field using machine learning2409.06769v1 · Bohdan Bidenko, L'eon V. E. Koopmans, P. Daniel Meerburg2024 · 0 citationsarXiv
Revised LOFAR upper limits on the 21-cm signal power spectrum at using Machine Learning and Gaussian Process Regression2408.10051v2 · Anshuman Acharya, Florent Mertens, Benedetta Ciardi et al.2024 · 24 citationsarXiv
Euclid: The Early Release Observations Lens Search Experiment2408.06217v2 · J. A. Acevedo Barroso, C. M. O'Riordan, B. Cl'ement et al.2024 · 20 citationsA&A 697, A14 (2025)
Automation of finding strong gravitational lenses in the Kilo Degree Survey with U - DenseLens (DenseLens + Segmentation).39176180 · N, Bharath Chowdhary, Koopmans, Léon V E, Valentijn, Edwin A et al.2024 · 9 citationsMonthly notices of the Royal Astronomical Society. 2024;533(2):1426-1441
Ionospheric contributions to the excess power in high-redshift 21-cm power-spectrum observations with LOFAR2407.20220v1 · S.A. Brackenhoff, M. Mevius, L.V.E. Koopmans et al.2024 · 10 citationsarXiv
The impact of lossy data compression on the power spectrum of the high redshift 21-cm signal with LOFAR2407.11557v1 · J. K. Chege, L.V.E. Koopmans, A. R. Offringa et al.2024 · 4 citationsA&A 692, A211 (2024)
Beyond the horizon: Quantifying the full sky foreground wedge in the cylindrical power spectrum2407.10686v2 · S. Munshi, F. G. Mertens, L. V. E. Koopmans et al.2024 · 16 citationsA&A 693, A276 (2025)
Inferring IGM parameters from the redshifted 21-cm Power Spectrum using Artificial Neural Networks2407.03523v2 · Madhurima Choudhury, Raghunath Ghara, Saleem Zaroubi et al.2024 · 4 citationsarXiv
Euclid. I. Overview of the Euclid mission2405.13491v2 · Y. Mellier, Abdurro'uf, J. A. Acevedo Barroso et al.2024 · 622 citationsA&A 697, A1 (2025)
Probing the intergalactic medium during the Epoch of Reionization using 21-cm signal power spectra2404.11686v1 · Raghunath Ghara, Abinash Kumar Shaw, Saleem Zaroubi et al.2024 · 10 citationsA&A 687, A252 (2024)
Object classification with Convolutional Neural Networks: from KiDS to Euclid2403.01613v1 · G.A. Verdoes Kleijn, C.A. Marocico, Y. Mzayek et al.2024 · 0 citationsarXiv
Time-Delay Cosmography: Measuring the Hubble Constant and Other Cosmological Parameters with Strong Gravitational Lensing.38899030 · Birrer, S, Millon, M, Sluse, D et al.2024 · 87 citationsSpace science reviews. 2024;220(5):48
21-cm Signal from the Epoch of Reionization: A Machine Learning upgrade to Foreground Removal with Gaussian Process Regression2311.16633v2 · Anshuman Acharya, Florent Mertens, Benedetta Ciardi et al.2023 · 16 citationsarXiv
DenseLens -- Using DenseNet ensembles and information criteria for finding and rank-ordering strong gravitational lenses,2311.08184v1 · Bharath Chowdhary Nagam, L'eon V. E. Koopmans, Edwin A. Valentijn et al.2023 · 14 citationsarXiv
First upper limits on the 21 cm signal power spectrum from cosmic dawn from one night of observations with NenuFAR2311.05364v2 · S. Munshi, F. G. Mertens, L. V. E. Koopmans et al.2023 · 65 citationsA&A 681, A62 (2024)
Career total: at least 711 works. 351 are in this corpus.Showing the 50 most recent.
Profile built from the corpus for this byline.
Author records are still filling in while the Hub is in alpha. If this is your page, you'll be able to claim it soon. Spot a mistake? Tell us.