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 …

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 …

First GMVA observations with the upgraded NOEMA facility: VLBI imaging of BL Lacertae in a flaring state

DW Kim, M Janssen, TP Krichbaum, B Boccardi… - Astronomy & …, 2023 - aanda.org
We analyze a single-epoch Global mm-VLBI Array (GMVA) observation of the blazar BL
Lacertae (BL Lac) at 86 GHz from April 2021. The participation of the upgraded, phased …

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 …

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 …

Lost in the curve: Investigating the disappearing knots in blazar 3C 454.3

E Traianou, TP Krichbaum, JL Gómez, R Lico… - Astronomy & …, 2024 - aanda.org
One of the most well-known extragalactic sources in the sky, quasar 3C 454.3, shows a
curved parsec-scale jet that has been exhaustively monitored with very-long-baseline …

Detection of an orthogonal alignment between parsec-scale AGN jets and their host galaxies

D Fernández Gil, JA Hodgson, B L'Huillier, J Asorey… - Nature …, 2024 - nature.com
The relationship between galaxies and their supermassive black holes (SMBHs) is an area
of active research. One way to investigate this relationship is to compare parsec-scale jets …

Evidence of a toroidal magnetic field in the core of 3C 84

GF Paraschos, LC Debbrecht, JA Kramer… - Astronomy & …, 2024 - aanda.org
The spatial scales of relativistic radio jets, probed by relativistic magneto-hydrodynamic
(RMHD) jet launching simulations and by most very long baseline interferometry (VLBI) …

Evolution of the Termination Region of the Parsec-scale Jet of 3C 84 Over the Past 20 yr

M Kam, JA Hodgson, J Park, M Kino… - The Astrophysical …, 2024 - iopscience.iop.org
We present the kinematics of the parsec-scale jet in 3C 84 from 2003 November to 2022
June observed with the Very Long Baseline Array at 43 GHz. We find that the C3 …

Observational Evidence for a Dense Ambient Medium Sha** the Jet in 3C 84

J Park, M Kino, H Nagai, M Nakamura, K Asada… - arxiv preprint arxiv …, 2023 - arxiv.org
Highly collimated relativistic jets are a defining feature of certain active galactic nuclei
(AGN), yet their formation mechanism remains elusive. Previous observations and …