Ordered magnetic fields around the 3C 84 central black hole

GF Paraschos, JY Kim, M Wielgus, J Röder… - Astronomy & …, 2024 - aanda.org
Context. 3C 84 is a nearby radio source with a complex total intensity structure, showing
linear polarisation and spectral patterns. A detailed investigation of the central engine region …

Enabling transformational ngEHT science via the inclusion of 86 GHz capabilities

S Issaoun, DW Pesce, F Roelofs, A Chael, R Dodson… - Galaxies, 2023 - mdpi.com
We present a case for significantly enhancing the utility and efficiency of the ngEHT by
incorporating an additional 86 GHz observing band. In contrast to 230 or 345 GHz, weather …

A multi-band study and exploration of the radio wave–γ-ray connection in 3C 84

GF Paraschos, V Mpisketzis, JY Kim, G Witzel… - Astronomy & …, 2023 - aanda.org
Total intensity variability light curves offer a unique insight into the ongoing debate about the
launching mechanism of jets. For this work, we utilised the availability of radio and γ-ray light …

Observational evidence to support a dense ambient medium sha** the jet in 3C 84

J Park, M Kino, H Nagai, M Nakamura, K Asada… - Astronomy & …, 2024 - aanda.org
Highly collimated relativistic jets are a defining feature of certain active galactic nuclei
(AGN), yet their formation mechanism remains elusive. Previous observations and …

[HTML][HTML] Ray-tracing in relativistic jet simulations: A polarimetric study of magnetic field morphology and electron scaling relations

JA Kramer, NR MacDonald - Astronomy & Astrophysics, 2021 - aanda.org
Context. The jets emanating from the centers of active galactic nuclei are among the most
energetic objects in the Universe. Investigating how the morphology of the jet's synchrotron …

A persistent double nuclear structure in 3C 84

J Oh, JA Hodgson, S Trippe… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT 3C 84 (NGC 1275) is the radio source at the centre of the Perseus cluster and
exhibits a bright radio jet. We observed the source with the Global Millimeter VLBI Array …

Jet kinematics in the transversely stratified jet of 3C 84-A two-decade overview

GF Paraschos, TP Krichbaum, JY Kim… - Astronomy & …, 2022 - aanda.org
3C 84 (NGC 1275) is one of the brightest radio sources in the millimetre radio bands, which
led to a plethora of very-long-baseline interferometry (VLBI) observations at numerous …

[HTML][HTML] 3D hybrid fluid-particle jet simulations and the importance of synchrotron radiative losses

JA Kramer, NR MacDonald, GF Paraschos… - Astronomy & …, 2024 - aanda.org
Context. Relativistic jets in active galactic nuclei are known for their exceptional energy
output, and imaging the synthetic synchrotron emission of numerical jet simulations is …

First very long baseline interferometry detection of Fornax A

GF Paraschos, M Wielgus, P Benke… - Astronomy & …, 2024 - aanda.org
Radio galaxies harbouring jetted active galactic nuclei are a frequent target of very long
baseline interferometry (VLBI) because they play an essential role in our exploration of how …

RadioAstron discovery of a mini-cocoon around the restarted parsec-scale jet in 3C 84

T Savolainen, G Giovannini, YY Kovalev… - Astronomy & …, 2023 - aanda.org
We present RadioAstron space-based very long baseline interferometry (VLBI) observations
of the nearby radio galaxy 3C 84 (NGC 1275) at the centre of the Perseus cluster. The …