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Relevant bibliographies by topics / AGN Jet

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Journal articles

Academic literature on the topic 'AGN Jet'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "AGN Jet"

1

HOMAN, DANIEL C. "PHYSICAL PROPERTIES OF JETS IN AGN." International Journal of Modern Physics: Conference Series 08 (January 2012): 163–71. http://dx.doi.org/10.1142/s2010194512004552.

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I review constraints on the physical properties of AGN jets revealed through Very Long Baseline Interferometry (VLBI) studies of the structure and time-evolution of parsec-scale jets, including recent results from the MOJAVE program. In particular I focus on constraints available from very long time baseline studies which probe a wide range of jet behavior over many outbursts. Kinematic studies of propagating jet features find an apparent speed distribution that peaks around 10c for blazars, with speeds up to 50c observed. These observed speeds require Lorentz factors at least as large, implyi

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2

Sbarrato, Tullia, Paolo Padovani, and Gabriele Ghisellini. "The jet–disc connection in AGN." Proceedings of the International Astronomical Union 10, S313 (2014): 48–52. http://dx.doi.org/10.1017/s1743921315001854.

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AbstractWe present our latest results on the connection between the accretion rate and the power of relativistic jets. To this aim we use blazars, whose jet is pointing at us, with visible broad emission lines, along with broad lineless radio–galaxies. We trace the jet power with two proxies (gamma–ray and radio luminosities), while the broad emission lines are a direct measure of the accretion disc luminosity. We find a correlation between the broad emission line and the gamma–ray or luminosities in blazars, suggesting a direct tight connection between the jet and the accretion rate. Only ext

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3

Tanner, Ryan, and Kimberly A. Weaver. "Simulations of AGN-driven Galactic Outflow Morphology and Content." Astronomical Journal 163, no. 3 (2022): 134. http://dx.doi.org/10.3847/1538-3881/ac4d23.

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Abstract Using a series of 3D relativistic hydrodynamical simulations of active galactic nuclei (AGN) we investigate how AGN power, a clumpy interstellar medium (ISM) structure, and AGN jet angle with respect to the galactic disk affect the morphology and content of the resulting galactic outflow. For low-power AGN across three orders of magnitude of AGN luminosities (1041–1043 erg s−1) our simulations did not show significant changes to either the morphology or total mass of the outflow. Changing the angle of the AGN jet with respect to the galaxy did show small changes in the total outflow m

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King, Ashley L., Anne Lohfink, and Erin Kara. "AGN Coronae through a Jet Perspective." Astrophysical Journal 835, no. 2 (2017): 226. http://dx.doi.org/10.3847/1538-4357/835/2/226.

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Ferrari, Attilio. "Agn Jet Modeling: Setting the Stage." Astrophysics and Space Science 293, no. 1/2 (2004): 15–26. http://dx.doi.org/10.1023/b:astr.0000044648.48465.1a.

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Sbarrato, T., P. Padovani, and G. Ghisellini. "The jet–disc connection in AGN." Monthly Notices of the Royal Astronomical Society 445, no. 1 (2014): 81–92. http://dx.doi.org/10.1093/mnras/stu1759.

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7

Gurvits, Leonid I., Sándor Frey, and Zsolt Paragi. "Jets in AGN at extremely high redshifts." Proceedings of the International Astronomical Union 10, S313 (2014): 327–28. http://dx.doi.org/10.1017/s1743921315002434.

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The jet phenomenon is a trademark of active galactic nuclei (AGN). In most general terms, the current understanding of this phenomenon explains the jet appearance by effects of relativistic plasma physics. The fundamental source of energy that feeds the plasma flow is believed to be the gravitational field of a central supermassive black hole. While the mechanism of energy transfer and a multitude of effects controlling the plasma flow are yet to be understood, major properties of jets are strikingly similar in a broad range of scales from stellar to galactic. They are supposed to be controlle

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Komissarov, Serguei. "The remarkable AGN jets." Proceedings of the International Astronomical Union 12, S324 (2016): 141–48. http://dx.doi.org/10.1017/s1743921317001922.

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AbstractThe jets from active galactic nuclei exhibit stability which seems to be far superior compared to that of terrestrial and laboratory jets. They manage to propagate over distances up to a billion of initial jet radii. Yet this may not be an indication of some exotic physics but mainly a reflection of the specific environment these jets propagate through. The key property of this environment is a rapid decline of density and pressure along the jet, which promotes its rapid expansion. Such an expansion can suppress global instabilities, which require communication across the jet, and henc

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9

Kharb, Preeti, and Sasikumar Silpa. "Looking for Signatures of AGN Feedback in Radio-Quiet AGN." Galaxies 11, no. 1 (2023): 27. http://dx.doi.org/10.3390/galaxies11010027.

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In this article, we discuss the state of “AGN feedback” in radio-quiet (RQ) AGN. This study involves heterogeneous samples of nearby Seyfert and LINER galaxies as well as quasi-stellar objects (QSOs) that have been observed at low radio frequencies (few ∼100 MHz) with the upgraded Giant Meterwave Radio Telescope (GMRT) and ∼GHz frequencies with the Karl G. Jansky Very Large Array (VLA) and Very Long Baseline Array (VLBA). These multi-frequency, multi-resolution observations detect a range of arcsecond-scale radio spectral indices that are consistent with the presence of multiple contributors i

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10

Cielo, S., A. Babul, V. Antonuccio-Delogu, J. Silk, and M. Volonteri. "Feedback from reorienting AGN jets." Astronomy & Astrophysics 617 (September 2018): A58. http://dx.doi.org/10.1051/0004-6361/201832582.

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Aims. We test the effects of re-orienting jets from an active galactic nucleus (AGN) on the intracluster medium in a galaxy cluster environment with short central cooling time. We investigate both the appearance and the properties of the resulting cavities, and the efficiency of the jets in providing near-isotropic heating to the cooling cluster core. Methods. We use numerical simulations to explore four models of AGN jets over several active/inactive cycles. We keep the jet power and duration fixed across the models, varying only the jet re-orientation angle prescription. We track the total e

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