Bulletin de la Société Royale des Sciences de Liège

0037-9565 1783-5720

 

sinds 05 februari 2011 :
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Gopal-Krishna, Silke Britzen & Paul Wiita

The diversity of AGN variability: Some highlights and challenges

(Volume 88 - Année 2019 — Actes de colloques — 2nd Belgo-Indian Network for Astronomy & Astrophysics (BINA) workshop - October 2018 - Brussels, Belgium)
DOI: 10.25518/0037-9565.8754
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Mots-clés : galaxies, jets, quasars, objets BL Lacertae, radiation, mécanismes

Abstract

This article focuses on certain variability and emission characteristics of Active Galactic Nuclei (AGN), especially their radio-loud subset consisting of quasars, BL Lacs and γ-ray detected narrow-line Seyfert 1 galaxies, all of which exhibit relativistically beamed jets of non-thermal radiation. Several striking trends and correlations, including some that have received scant attention, drawn from the available comparatively recent literature are highlighted. These can provide very useful inputs to models of AGN and be probed at a deeper level using the optical telescopes recently set up at Devasthal (Nainital).

Keywords : galaxies, active, jets, quasars, BL Lacertae objects, radiation mechanisms, general

Om dit artikel te citeren:

Gopal-Krishna, Silke Britzen & Paul Wiita, «The diversity of AGN variability: Some highlights and challenges», Bulletin de la Société Royale des Sciences de Liège [En ligne], Volume 88 - Année 2019, Actes de colloques, 2nd Belgo-Indian Network for Astronomy & Astrophysics (BINA) workshop - October 2018 - Brussels, Belgium, 132 - 142 URL : https://popups.uliege.be/0037-9565/index.php?id=8754.

Over :  Gopal-Krishna

ARIES, Manora Peak, Nainital- 263002, India,  gopaltani@gmail.com

Over : Silke Britzen

MPIfR, Auf dem Huegel 69, D-53121, Bonn, Germany

Over : Paul Wiita

Dept. of Physics, TCNJ, Ewing, NJ 08628-0718, USA