MODULATION OF AGN GAMMA-RAYS BY INTERACTION WITH X-RAYS FROM AN ACCRETION DISC HOTSPOT

Authors
BEDNAREK W PROTHEROE RJ
Citation
W. Bednarek et Rj. Protheroe, MODULATION OF AGN GAMMA-RAYS BY INTERACTION WITH X-RAYS FROM AN ACCRETION DISC HOTSPOT, Monthly Notices of the Royal Astronomical Society, 290(1), 1997, pp. 139-144
Citations number
37
Categorie Soggetti
Astronomy & Astrophysics
Journal title
Monthly Notices of the Royal Astronomical Society → ACNP
ISSN journal
00358711
Volume
290
Issue
1
Year of publication
1997
Pages
139 - 144
Database
ISI
SICI code
0035-8711(1997)290:1<139:MOAGBI>2.0.ZU;2-4
Abstract
We have developed a model for the variability of gamma-ray emission in jets of active galactic nuclei (AGN) in which the variability arises as a result of photon-photon pair production interactions with X-rays emitted by a hotspot in the inner part of the accretion disc. As the h otspot orbits around the central engine, the amount of absorption vari es. Our model may account for the observed variability of TeV emission from Markarian 421, as well as correlated variations of the X-ray and TeV gamma-ray flux.