activity
20222026
most citedDetection of magnetic fields in the circumgalactic medium of nearby galaxies using Faraday rotation

45 citations · 154 across the 13 of their papers we have counts for

collaborators

15 papers

astro-ph.GA2026

CHANG-ES XL: Magnetic Field Structures in the Disk and Halo of NGC 891

N. Pourjafari, J. M. Stil, R. -J. Dettmar +11

We present new Karl G. Jansky Very Large Array S-band (2-4 GHz) observations of the edge-on spiral galaxy NGC 891, complemented by C-band data, to investigate the structure of its…

astro-ph.GA2026

CHANG-ES XXXIX. Magnetic field structure in edge-on galaxies: Stacking Stokes parameters

M. Stein, R. Beck, B. Adebahr +12

Galactic magnetic fields regulate star formation and cosmic-ray (CR) transport, and understanding their three-dimensional structure, particularly in star-forming late-type galaxies…

astro-ph.GA2026★ 17 cited

The LOFAR Two-metre Sky Survey: VII. Third Data Release

T. W. Shimwell, M. J. Hardcastle, C. Tasse +99

We present the third data release of the LOFAR Two-metre Sky Survey (LoTSS-DR3). The survey images cover 88% of the northern sky and were created from 12,950 hrs of data (18.6 PB)…

astro-ph.GA2026★ 2 cited

CHANG-ES XXXVII. Effects of spectral aging on radio scale heights

D. C. Smolinski, V. Heesen, M. Brüggen +7

Context. Cosmic rays and magnetic fields play an important role for the formation and evolution of galaxies. Radio continuum observations allows us to study them in the haloes of e…

astro-ph.GA2025★ 6 cited

CHANG-ES: XXXVI. The thin and thick radio discs

V. Heesen, M. Stein, N. Pourjafari +8

Context. Edge-on spiral galaxies give us an outsiders' view of the radio halo, which envelops these galaxies. The radio halos are caused by extra-planar cosmic-ray electrons that e…

astro-ph.GA2025★ 1 cited

Magnetohydrodynamic turbulence and the associated spatial diffusion tensor of cosmic rays in dynamical galactic halos

J. Kleimann, H. Fichtner, M. Stein +3

A detailed understanding of cosmic-ray transport in galactic halos is essential for explaining various observations, such as the radio continuum measurements of synchrotron radiati…

astro-ph.GA2025★ 6 cited

CHANG-ES XXXIV: Magnetic Field Structure in Edge-On Galaxies Characterising large-scale magnetic fields in galactic halos

M. Stein, J. Kleimann, B. Adebahr +12

Understanding galactic magnetic fields is essential for interpreting feedback processes in galaxies. Despite their importance, the exact structure of these fields, particularly in…

astro-ph.GA2024★ 7 cited

CHANG-ES XXXIV: a 20 kpc radio bubble in the halo of the star-forming galaxy NGC 4217

V. Heesen, T. Wiegert, J. Irwin +11

Cosmic rays may be dynamically very important in driving large-scale galactic winds. Edge-on galaxies give us an outsider's view of the radio halo, which shows the presence of extr…

astro-ph.GA2024★ 7 cited

A spatially resolved radio spectral study of the galaxy M 51

L. Gajović, B. Adebahr, A. Basu +14

Radio continuum emission from galaxies at gigahertz frequencies can be used as an extinction-free tracer of star formation. However, at frequencies of a few hundred megahertz, ther…

astro-ph.IM2023

A Collection of German Science Interests in the Next Generation Very Large Array

M. Kadler, D. A. Riechers, J. Agarwal +88

The Next Generation Very Large Array (ngVLA) is a planned radio interferometer providing unprecedented sensitivity at wavelengths between 21 cm and 3 mm. Its 263 antenna element ar…

astro-ph.GA2023

Nearby galaxies in the LOFAR Two-metre Sky Survey III. Influence of cosmic-ray transport on the radio-SFR relation

V. Heesen, S. Schulz, M. Brüggen +7

Context. In order to understand galaxy evolution, it is essential to measure star formation rates (SFRs) across Cosmic times. Aims. The use of radio continuum emission as an extinc…

astro-ph.GA2023★ 45 cited

Detection of magnetic fields in the circumgalactic medium of nearby galaxies using Faraday rotation

V. Heesen, S. P. O'Sullivan, M. Brüggen +15

Context. The existence of magnetic fields in the circumgalactic medium (CGM) is largely unconstrained. Their detection is important as magnetic fields can have a significant impact…

astro-ph.HE2022★ 11 cited

Diffusion of cosmic-ray electrons in M 51 observed with LOFAR at 54 MHz

V. Heesen, F. de Gasperin, S. Schulz +8

Context. The details of cosmic-ray transport have a strong impact on galaxy evolution. The peak of the cosmic-ray energy distribution is observable in the radio continuum using the…

astro-ph.GA2022★ 30 cited

CHANG-ES XXVI: Insights into cosmic-ray transport from radio halos in edge-on galaxies

M. Stein, V. Heesen, R. -J. Dettmar +13

Galactic winds play a key role in regulating the evolution of galaxies over cosmic time. In recent years, the role of cosmic rays (CR) in the formation of the galactic wind has inc…

astro-ph.GA2022★ 22 cited

Nearby galaxies in the LOFAR Two-metre Sky Survey II. The magnetic field-gas relation

V. Heesen, T. -L. Klocke, M. Brüggen +8

Context. Magnetic fields are key to understand galaxy evolution, regulating stellar feedback and star formation in galaxies. Aims. We probe the origin of magnetic fields in late-ty…