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Detecting X-ray QPOs in active galaxies
DOI: 10.1016/j.asr.2005.02.064
Bibcode: 2006AdSpR..38.1405V
Vaughan, Simon; Uttley, Philip
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
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Advances in Space Research
Exosat
28