Relativistic jets from active galactic nuclei

R Blandford, D Meier… - Annual Review of …, 2019‏ - annualreviews.org
The nuclei of most normal galaxies contain supermassive black holes, which can accrete
gas through a disk and become active. These active galactic nuclei (AGNs) can form jets that …

Relativistic jets of blazars

T Hovatta, E Lindfors - New Astronomy Reviews, 2019‏ - Elsevier
Relativistic jets of active galactic nuclei have been known to exist for 100 years. Blazars with
their jet pointing close to our line of sight are some of the most variable and extreme objects …

Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A

IceCube Collaboration, MAGIC, AGILE, ASAS-SN… - Science, 2018‏ - science.org
INTRODUCTION Neutrinos are tracers of cosmic-ray acceleration: electrically neutral and
traveling at nearly the speed of light, they can escape the densest environments and may be …

Millimeter light curves of sagittarius a* observed during the 2017 event horizon telescope campaign

M Wielgus, N Marchili, I Martí-Vidal… - The Astrophysical …, 2022‏ - iopscience.iop.org
Several years after its initial identification (Balick & Brown 1974), the radio source at the
center of our Galaxy, now associated with the supermassive black hole Sagittarius A*(Sgr …

Monitoring of jets in active galactic nuclei with VLBA experiments. XVIII. Kinematics and inner jet evolution of bright radio-loud active galaxies

ML Lister, DC Homan, KI Kellermann… - The Astrophysical …, 2021‏ - iopscience.iop.org
We have analyzed the parsec-scale jet kinematics of 447 bright radio-loud active active
galactic nuclei (AGN), based on 15 GHz Very Long Baseline Array (VLBA) data obtained …

Observational evidence for the origin of high-energy neutrinos in parsec-scale nuclei of radio-bright active galaxies

A Plavin, YY Kovalev, YA Kovalev… - The Astrophysical …, 2020‏ - iopscience.iop.org
Observational information on high-energy astrophysical neutrinos is being continuously
collected by the IceCube observatory. However, the sources of the neutrinos are still …

MOJAVE. XVII. Jet kinematics and parent population properties of relativistically beamed radio-loud blazars

ML Lister, DC Homan, T Hovatta… - The Astrophysical …, 2019‏ - iopscience.iop.org
We present results from a parsec-scale jet kinematics study of 409 bright radio-loud active
galactic nuclei (AGNs) based on 15 GHz Very Long Baseline Array (VLBA) data obtained …

The second catalog of active galactic nuclei detected by the Fermi Large Area Telescope

M Ackermann, M Ajello, A Allafort… - The Astrophysical …, 2011‏ - iopscience.iop.org
The second catalog of active galactic nuclei (AGNs) detected by the Fermi Large Area
Telescope (LAT) in two years of scientific operation is presented. The second LAT AGN …

Birth of a relativistic outflow in the unusual γ-ray transient Swift J164449. 3+ 573451

BA Zauderer, E Berger, AM Soderberg, A Loeb… - Nature, 2011‏ - nature.com
Active galactic nuclei, which are powered by long-term accretion onto central supermassive
black holes, produce relativistic jets with lifetimes of at least one million years, and the …

Fermi large area telescope observations of Markarian 421: The missing piece of its spectral energy distribution

AA Abdo, M Ackermann, M Ajello… - The Astrophysical …, 2011‏ - iopscience.iop.org
FERMI LARGE AREA TELESCOPE OBSERVATIONS OF MARKARIAN 421: THE MISSING
PIECE OF ITS SPECTRAL ENERGY DISTRIBUTION - IOPscience Skip to content IOP …