Results 81 to 90 of about 1,192 (180)

Synchrotron-limited Particle Acceleration in Relativistic Shearing Flows

The Astrophysical Journal
Fermi-type shear particle acceleration is a promising mechanism for sustaining ultrarelativistic particles along the kiloparsec scale jets in active galactic nuclei.
Frank M. Rieger, Peter Duffy
doaj   +1 more source

Propagation of Gamma-Ray Burst Relativistic Jets in Active Galactic Nucleus Disks and Its Implication for Gamma-Ray Burst Detection

The Astrophysical Journal
The accretion disks of supermassive black holes (SMBHs) harboring in active galactic nuclei (AGN) are considered to be an ideal site for producing different types of gamma-ray bursts (GRBs). The detectability of these GRB phenomena hidden in AGN disks is
Hao-Hui Zhang, Jin-Ping Zhu, Yun-Wei Yu
doaj   +1 more source

Shear Acceleration in Relativistic Astrophysical Jets

The Astrophysical Journal, 2004
18 pages, ApJ in press; final version (small typos corrected to match published version), Journal-ref ...
Rieger, Frank M., Duffy, Peter
openaire   +2 more sources

A Simulation Study of Low-power Relativistic Jets: Flow Dynamics and Radio Morphology of FR-I Jets

The Astrophysical Journal
Radio galaxies are classified into two primary categories based on their morphology: center-brightened FR-I and edge-brightened FR-II. It is believed that the jet power and interactions with the ambient medium govern the deceleration and decollimation of
Ayan Bhattacharjee, Jeongbhin Seo, Dongsu Ryu, Hyesung Kang   +3 more
doaj   +1 more source

PKS J0805-0111: A Second Owens Valley Radio Observatory Blazar Showing Highly Significant Sinusoidal Radio Variability—The Tip of the Iceberg

The Astrophysical Journal
Owens Valley Radio Observatory observations of the supermassive black hole binary (SMBHB) candidate PKS 2131−021 revealed, for the first time, six likely characteristics of the phenomenology exhibited by SMBHBs in blazars, of which the most unexpected ...
P. V. de la Parra, S. Kiehlmann, P. Mróz, A. C. S. Readhead, A. Synani, M. C. Begelman, R. D. Blandford, Y. Ding, F. Harrison, I. Liodakis, W. Max-Moerbeck, V. Pavlidou, R. Reeves, M. Vallisneri, M. F. Aller, M. J. Graham, T. Hovatta, C. R. Lawrence, T. J. W. Lazio, A. A. Mahabal, B. Molina, S. O’Neill, T. J. Pearson, V. Ravi, K. Tassis, J. A. Zensus   +25 more
doaj   +1 more source

Two-component jets from 3-dimensional magnetohydrodynamic jet simulations of disk winds at sub-parsec scales

EPJ Web of Conferences, 2013
We explore the effect of large scale magnetic field on the formation of two-component jets in magnetohydrodynamic disk winds simulations. Our simulations show a one-component and two-component jets develop depending on the magnetic field distribution ...
Staff Jan, Koning Nico, Ouyed Rachid, Pudritz Ralph   +3 more
doaj   +1 more source

A Study of Particle Acceleration in Blazar Jets

The Astrophysical Journal
The particle acceleration of blazar jets is crucial to high-energy astrophysics, yet the acceleration mechanism division in blazar subclasses and the underlying nature of these mechanisms remain elusive. In this work, we utilized the synchrotron spectral
Hubing Xiao, Wenxin Yang, Yutao Zhang, Shaohua Zhang, Junhui Fan, Liping Fu, Jianghe Yang   +6 more
doaj   +1 more source

Particles in Relativistic Magnetohydrodynamic Jets. II. Bridging Jet Dynamics with Multi–wave band Nonthermal Emission Signatures

The Astrophysical Journal
Relativistic magnetized jets, originating near black holes, are observed to exhibit substructured flows. In this study, we present synthetic synchrotron-emission signatures for different lines of sight and frequencies, derived from three-dimensional ...
Ravi Pratap Dubey, Christian Fendt, Bhargav Vaidya   +2 more
doaj   +1 more source

Multimessenger Emission Derived from Relativistic Magnetized Jet Dynamics Using a Multizone Framework

The Astrophysical Journal
Relativistic jets from active galactic nuclei (AGN) are highly energetic and emit radiation across a wide range of frequencies. Despite several observational studies, their particle composition still remains a key open question.
Harshita Bhuyan, Bhargav Vaidya, Christian Fendt, Aditya Sharma   +3 more
doaj   +1 more source

Probing medium response via strangeness enhancement around quenched jets

Physics Letters B
Jet-induced medium excitation is a crucial part of jet interactions with the quark-gluon plasma (QGP) in relativistic heavy-ion collisions, and has recently been confirmed by experiment for the first time.
Ao Luo, Shanshan Cao, Guang-You Qin
doaj   +1 more source