Cathy Horellou
Cathy works in extragalactic astronomy and studies galaxies, clusters of galaxies, and the medium between galaxies. She is interested in clusters as such, but also as cosmological probes. Her expertise is in the submm-to-radio part of the electromagnetic spectrum. Such observations reveal the physical conditions of galaxies and of the intra-cluster plasma. She uses observations of polarization from radio sources to probe cosmic magnetic fields. She also has a strong interest in theory and modeling.
Showing 118 publications
LOFAR Deep Fields: Probing faint Galactic polarised emission in ELAIS-N1
The Faraday Rotation Measure Grid of the LOFAR Two-metre Sky Survey: Data Release 2
Detection of magnetic fields in the circumgalactic medium of nearby galaxies using Faraday rotation
Magnetic field strength in cosmic web filaments
The redshift evolution of extragalactic magnetic fields
The LOFAR Two-metre Sky Survey: V. Second data release
A low-frequency study of linear polarization in radio galaxies
Lofar deep fields: Probing a broader population of polarized radio galaxies in elais-n1
Characterising the Extended Morphologies of BL Lacertae Objects at 144 MHz with LOFAR
All good things come in threes: The third image of the lensed quasar PKS 1830-211
New constraints on the magnetization of the cosmic web using LOFAR Faraday rotation observations
The LOFAR view of intergalactic magnetic fields with giant radio galaxies
Magnetism science with the square kilometre array
Evidence of AGN feedback and sloshing in the X-ray luminous NGC 1550 galaxy group
The magnetized disk-halo transition region of M 51
The XXL Survey: XLI. Radio AGN luminosity functions based on the GMRT 610 MHz continuum observations
The XXL Survey XXXIX. Polarised radio sources in the XXL-South field
Stellar feedback in dwarf irregular galaxies with radio continuum observations
Signatures from a merging galaxy cluster and its AGN population: LOFAR observations of Abell 1682
A radio ridge connecting two galaxy clusters in a filament of the cosmic web
The LOFAR Two-metre Sky Survey: II. First data release
Weak-lensing mass calibration of the Sunyaev-Zel'dovich effect using APEX-SZ galaxy clusters
The intergalactic magnetic field probed by a giant radio galaxy
CHANG-ES XII: A LOFAR and VLA view of the edge-on star-forming galaxy NGC 3556
Warped diffusive radio halo around the quiescent spiral edge-on galaxy NGC 4565
The XXL Survey XVIII. ATCA 2.1 GHz radio source catalogue and source counts for the XXL-South field
Untangling cosmic magnetic fields: Faraday tomography at metre wavelengths with LOFAR
The XXL Survey: XXIX. GMRT 610 MHz continuum observations
Reliable detection and characterization of low-frequency polarized sources in the LOFAR M51 field
Exploring the making of a galactic wind in the starbursting dwarf irregular galaxy IC 10 with LOFAR
Investigation of the cosmic ray population and magnetic field strength in the halo of NGC 891
The XXL Survey: XXV. Cosmological analysis of the C1 cluster number counts
Source finding in linear polarization for LOFAR, and SKA predecessor surveys, using Faraday moments
The "Cosmic Seagull": A Highly Magnified Disk-like Galaxy at z ≃ 2.8 behind the Bullet Cluster
The XXL Survey: XX. The 365 cluster catalogue
Polarized point sources in the LOFAR Two-meter Sky Survey: A preliminary catalog
The LOFAR Two-metre Sky Survey: I. Survey description and preliminary data release
Faraday tomography of the local interstellar medium with LOFAR: Galactic foregrounds towards IC 342∗
The XXL survey: First results and future
The XXL Survey: XI. ATCA 2.1 GHz continuum observations?
The XXL Survey II. The bright cluster sample: catalogue and luminosity function
Using rotation measure grids to detect cosmological magnetic fields: A Bayesian approach
The XXL Survey IX. Optical overdensity and radio continuum analysis of a supercluster at z=0.43
Magnetic fields in ring galaxies
The XXL Survey VI. The 1000 brightest X-ray point sources
A plethora of diffuse steep spectrum radio sources in Abell 2034 revealed by LOFAR
Mid-infrared dust in two nearby radio galaxies, NGC 1316 (Fornax A) and NGC 612 (PKS 0131-36)
Galaxy cluster scaling relations measured with APEX-SZ
LOFAR, VLA, AND CHANDRA OBSERVATIONS OF THE TOOTHBRUSH GALAXY CLUSTER
A strong magnetic field in the jet base of a supermassive black hole
AGN duty cycle estimates for the ultra-steep spectrum radio relic VLSS J1431.8+1331
Structure, dynamical impact and origin of magnetic fields in nearby galaxies in the SKA era
Magnetic Field Tomography in Nearby Galaxies with the Square Kilometre Array
Predicted multiply imaged X-ray AGNs in the XXL survey
Subarcsecond international LOFAR radio images of the M82 nucleus at 118 MHz and 154 MHz
Radio astronomy in Africa: the case of Ghana
The nature of the low-frequency emission of M 51 First observations of a nearby galaxy with LOFAR
Magnetic field tomography, helical magnetic fields and Faraday depolarization
Discovery of Carbon Radio Recombination Lines in M82
A precise and accurate determination of the cosmic microwave background temperature at z = 0.89
APEX-SZ: The Atacama Pathfinder EXperiment Sunyaev-Zel'dovich Instrument
Molecular gas and dust in the highly magnified z similar to 2.8 galaxy behind the Bullet Cluster
CONSTRAINS ON THE QUINTESSENCE FROM OBSERVATIONAL DATA
APEX Sunyaev-Zeldovich observations of the merging galaxy cluster Abell 2744
A LABOCA survey of submillimeter galaxies behind galaxy clusters
Magnetic fields and spiral arms in the galaxy M51
Non-parametric modeling of the intra-cluster gas using APEX-SZ bolometer imaging data
Submillimeter galaxies behind the Bullet cluster (1E 0657-56)
The far-infrared/submillimeter properties of galaxies located behind the Bullet cluster
Constraints on the High-ell Power Spectrum of Millimeter-Wave Anisotropies from APEX-SZ
Multi-frequency imaging of the galaxy cluster Abell 2163 using the Sunyaev-Zel'dovich effect
Stars and gas in the Medusa merger
Sicken attans liten söt antenn!
The gas content of moderate-luminosity mergers
Stars and gas in the very large interacting galaxy NGC 6872
Analysis of spiral arms using anisotropic wavelets: gas, dust and magnetic fields in M51
The signature of dark energy on the Local Hubble flow
Dark Energy and the Evolution of Spherical Overdensities
Anisotropic wavelet analysis of spiral arms and magnetic fields in the galaxy M51
Probing the cosmic microwave background temperature using the Sunyaev-Zeldovich effect
Gas and Star Formation in the Interacting Galaxies NGC 6872/IC 4970
Dark Energy and the Evolution of Spherical Overdensities
Magnetic Fields and Spiral Structure
A wavelet add-on code for new-generation N-body simulations and data de-noising (JOFILUREN)
Assessing the galaxy population out to z~2 using the Hubble Deep Field South
Stars and Gas in the Large Interacting Galaxy NGC 6872
N-body simulations with two-orders-of-magnitude higher performance using wavelets
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Showing 2 research projects
Galaxy clusters, submillimeter galaxies and cosmology with APEX
Arrays of Ultrasensitive Cold-Electron Bolometers for High-Performance Cosmology Instruments