The origin of radio emission from radio-quiet active galactic nuclei

F Panessa, RD Baldi, A Laor, P Padovani, E Behar… - Nature …, 2019 - nature.com
The central nuclei of galaxies, where supermassive black holes (SMBHs) are thought to
reside, can experience phases of activity when they become active galactic nuclei (AGNs) …

A Tight Correlation between Millimeter and X-Ray Emission in Accreting Massive Black Holes from< 100 mas Resolution ALMA Observations

C Ricci, CS Chang, T Kawamuro… - The Astrophysical …, 2023 - iopscience.iop.org
Recent studies have proposed that the nuclear millimeter continuum emission observed in
nearby active galactic nuclei (AGNs) could be created by the same population of electrons …

The radio emission in radio-quiet quasars: the VLBA perspective

S Chen, A Laor, E Behar, RD Baldi… - Monthly Notices of the …, 2023 - academic.oup.com
The origin of the radio emission in radio-quiet quasars (RQQ) is not established yet. We
present new VLBA observations at 1.6 and 4.9 GHz of 10 RQQ (9 detected), which together …

BASS XXXII: Studying the Nuclear Millimeter-wave Continuum Emission of AGNs with ALMA at Scales≲ 100–200 pc

T Kawamuro, C Ricci, M Imanishi… - The Astrophysical …, 2022 - iopscience.iop.org
To understand the origin of nuclear (≲ 100 pc) millimeter-wave (mm-wave) continuum
emission in active galactic nuclei (AGNs), we systematically analyzed subarcsecond …

LeMMINGs–I. The eMERLIN legacy survey of nearby galaxies. 1.5-GHz parsec-scale radio structures and cores

RD Baldi, DRA Williams, IM McHardy… - Monthly Notices of …, 2018 - academic.oup.com
We present the first data release of high-resolution (≤ 0.2 arcsec) 1.5-GHz radio images of
103 nearby galaxies from the Palomar sample, observed with the eMERLIN array, as part of …

WISDOM Project-XVI. The link between circumnuclear molecular gas reservoirs and active galactic nucleus fuelling

JS Elford, TA Davis, I Ruffa, M Bureau… - Monthly Notices of …, 2024 - academic.oup.com
We use high-resolution data from the millimetre-Wave Interferometric Survey of Dark Object
Masses (WISDOM) project to investigate the connection between circumnuclear gas …

BASS. XXXIV. A Catalog of the Nuclear Millimeter-wave Continuum Emission Properties of AGNs Constrained on Scales≤ 100–200 pc

T Kawamuro, C Ricci, RF Mushotzky… - The Astrophysical …, 2023 - iopscience.iop.org
We present a catalog of the millimeter-wave (mm-wave) continuum properties of 98 nearby
(z< 0.05) active galactic nuclei (AGNs) selected from the 70 month Swift/BAT hard-X-ray …

Unravelling the origin of extended radio emission in narrow-line Seyfert 1 galaxies with the JVLA

E Järvelä, R Dahale, L Crepaldi, M Berton… - Astronomy & …, 2022 - aanda.org
Narrow-line Seyfert 1 galaxies (NLS1s) are believed to be active galactic nuclei (AGN) in the
early stages of their evolution. Several dozen of them have been found to host relativistic …

Detection of coronal magnetic activity in nearby active supermassive black holes

Y Inoue, A Doi - The Astrophysical Journal, 2018 - iopscience.iop.org
Central supermassive black holes of active galactic nuclei host hot plasma with a
temperature of 10 9 K, namely coronae. Like the Sun, black hole coronae are theoretically …

Radio activity of supermassive black holes with extremely high accretion rates

X Yang, S Yao, J Yang, LC Ho, T An… - The Astrophysical …, 2020 - iopscience.iop.org
Radio emission from the high-and super-Eddington accreting active galactic nuclei (AGNs)
has various origins: a persistent jet, the magnetized corona, and the wind-like outflows. It is …