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Pair production instabilities as a source of X-ray flares from accreting black holes

Journal Article:

Abstract

The paper concerns pair production instability in active galaxies which emit most of their energy at h..gamma..>100 keV. The authors show that the esub(..gamma..)-e-pair production instability leads to cyclic variations of accretion flow, during which high-energy flares are produced. This mechanism can account for the large amplitude luminosity changes observed in several active galactic nuclei. The same scenario may also be responsible for the short-timescale quasiperiodic variability reported in some proposed galactic black holes. (U.K.).
Publication Date:
Feb 20, 1986
Product Type:
Journal Article
Reference Number:
AIX-17-038033; EDB-86-105154
Resource Relation:
Journal Name: Nature (London); (United Kingdom); Journal Volume: 319:6055
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BLACK HOLES; COSMIC X-RAY BURSTS; GALAXIES; KEV RANGE; PAIR PRODUCTION; INSTABILITY; ANALYTICAL SOLUTION; COSMIC GAMMA SOURCES; ELECTRON PAIRS; LUMINOSITY; PLASMA; COSMIC RAY SOURCES; COSMIC X-RAY SOURCES; ENERGY RANGE; INTERACTIONS; OPTICAL PROPERTIES; PHYSICAL PROPERTIES; 640105* - Astrophysics & Cosmology- Galaxies
OSTI ID:
5728274
Research Organizations:
Polska Akademia Nauk, Warsaw. Centrum Astronomiczne
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: NATUA
Submitting Site:
INIS
Size:
Pages: 649-652
Announcement Date:

Journal Article:

Citation Formats

Moskalik, P, and Sikora, M. Pair production instabilities as a source of X-ray flares from accreting black holes. United Kingdom: N. p., 1986. Web. doi:10.1038/319649a0.
Moskalik, P, & Sikora, M. Pair production instabilities as a source of X-ray flares from accreting black holes. United Kingdom. doi:10.1038/319649a0.
Moskalik, P, and Sikora, M. 1986. "Pair production instabilities as a source of X-ray flares from accreting black holes." United Kingdom. doi:10.1038/319649a0. https://www.osti.gov/servlets/purl/10.1038/319649a0.
@misc{etde_5728274,
title = {Pair production instabilities as a source of X-ray flares from accreting black holes}
author = {Moskalik, P, and Sikora, M}
abstractNote = {The paper concerns pair production instability in active galaxies which emit most of their energy at h..gamma..>100 keV. The authors show that the esub(..gamma..)-e-pair production instability leads to cyclic variations of accretion flow, during which high-energy flares are produced. This mechanism can account for the large amplitude luminosity changes observed in several active galactic nuclei. The same scenario may also be responsible for the short-timescale quasiperiodic variability reported in some proposed galactic black holes. (U.K.).}
doi = {10.1038/319649a0}
journal = {Nature (London); (United Kingdom)}
volume = {319:6055}
journal type = {AC}
place = {United Kingdom}
year = {1986}
month = {Feb}
}