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List of works by Léon Koopmans

A PCA-based automated finder for galaxy-scale strong lenses ⬇️

scientific article published in Astronomy and Astrophysics

A complete infrared Einstein ring in the gravitational lens system B1938 + 666

article by L. J. King et al published 1 April 1998 in Monthly Notices of the Royal Astronomical Society

B0712+472: a new radio four-image gravitational lens

scientific article published in May 1998

CLASS B1555+375: a new four-image gravitational lens system

scientific article published in Astronomical Journal

Calibrating high-precision Faraday rotation measurements for LOFAR and the next generation of low-frequency radio telescopes

scientific article published in Astronomy and Astrophysics

Calibrating high-precision Faraday rotation measurements for LOFAR and the next generation of low-frequency radio telescopes (Corrigendum)

scientific article published in Astronomy and Astrophysics

Detection and extraction of signals from the epoch of reionization using higher-order one-point statistics

scholarly article

Discovering the sky at the Longest Wavelengths (DSL)

scholarly article published March 2016

Fast large-scale reionization simulations

article

Foreground removal usingfastica: a showcase of LOFAR-EoR

scholarly article

Foreground simulations for the LOFAR-epoch of reionization experiment

scientific article

Foregrounds for observations of the cosmological 21 cm line

scientific article published in Astronomy and Astrophysics

Foregrounds for observations of the cosmological 21 cm line. I. First Westerbork measurements of galactic emission at 150 MHz in a low latitude field

scientific article

H0LiCOW – V. New COSMOGRAIL time delays of HE 0435−1223:H0to 3.8 per cent precision from strong lensing in a flat ΛCDM model ⬇️

article

High-z early-type galaxies: mass and light from gravitational lensing and stellar kinematics

Imaging neutral hydrogen on large scales during the Epoch of Reionization with LOFAR

scientific article

Initial LOFAR observations of epoch of reionization windows ⬇️

scientific article published in Astronomy and Astrophysics

Initial deep LOFAR observations of epoch of reionization windows

scientific article published in Astronomy and Astrophysics

LOFAR imaging of Cygnus A – direct detection of a turnover in the hotspot radio spectra

scholarly article

LOFAR insights into the epoch of reionization from the cross-power spectrum of 21 cm emission and galaxies

scholarly article

LOFAR: The LOw-Frequency ARray

scientific article published in Astronomy and Astrophysics

Lensing galaxies: light or dark?

scientific article

Linear polarization structures in LOFAR observations of the interstellar medium in the 3C 196 field ⬇️

scientific article published in Astronomy and Astrophysics

Lunar occultation of the diffuse radio sky: LOFAR measurements between 35 and 80 MHz ⬇️

scientific article

NenUFAR: Instrument description and science case

Non-parametric foreground subtraction for 21-cm epoch of reionization experiments

scholarly article

On the inside of massive galaxies: The Sloan Lens ACS Survey and combining gravitational lensing with stellar dynamics and stellar population analysis

scholarly article

Optimized trigger for ultra-high-energy cosmic-ray and neutrino observations with the low frequency radio array

Polarization leakage in epoch of reionization windows – I. Low Frequency Array observations of the 3C196 field

scientific article

Power spectrum extraction for redshifted 21-cm Epoch of Reionization experiments: the LOFAR case

scholarly article

Probing ionospheric structures using the LOFAR radio telescope ⬇️

Probing reionization with LOFAR using 21-cm redshift space distortions

scientific article

Prospects for detecting the 21 cm forest from the diffuse intergalactic medium with LOFAR

scholarly article

Radio Interferomietric Calibration Using Te SAGE Algorithm

Redshifts of CLASS radio sources

Simulating the 21 cm forest detectable with LOFAR and SKA in the spectra of high-zGRBs ⬇️

scientific article

Studying Galactic interstellar turbulence through fluctuations in synchrotron emission

scientific article published in Astronomy and Astrophysics

The Cosmic Dawn and Epoch of Reionisation with SKA

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

scholarly article

The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results ⬇️

scientific article published in Astronomy and Astrophysics

The LOFAR radio environment

scientific article published in Astronomy and Astrophysics

The Sloan lens ACS survey. IX. Colors, lensing, and stellar masses of early-type galaxies ⬇️

scientific article published in the Astrophysical Journal

The brightness and spatial distributions of terrestrial radio sources

scholarly article

The scale of the problem: recovering images of reionization with Generalized Morphological Component Analysis

article

Upper Limits on the 21 cm Epoch of Reionization Power Spectrum from One Night with LOFAR ⬇️

scientific article published in the Astrophysical Journal

Wide-band simultaneous observations of pulsars: disentangling dispersion measure and profile variations

scientific article published in Astronomy and Astrophysics

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