Detecting X-ray QPOs in active galaxies

Vaughan, Simon; Uttley, Philip

United Kingdom, United States

Abstract

Since EXOSAT produced the first good quality X-ray light curves of Seyfert galaxies there have been several claims of quasi-periodic oscillations (QPOs). None of these have withstood repeated analyses and observations. We review some problems concerning the detection of QPOs.

2006 Advances in Space Research
Exosat 28