44 citations · 92 across the 4 of their papers we have counts for
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astro-ph.HE2017★ 44 cited
An X-ray periodicity of 1.8 hours in a narrow-line Seyfert 1 galaxy Mrk 766
Peng Zhang, Peng-fei Zhang, Jing-zhi Yan +2
In the narrow-line Seyfert 1 galaxy Mrk 766, a Quasi-Periodic Oscillation (QPO) signal with a period of s is detected in the \emph{XMM-Newton} data collected on 2005 May…
astro-ph.HE2017★ 38 cited
Two transient X-ray Quasi-Periodic Oscillations separated by an intermediate state in 1H 0707-495
Peng-Fei Zhang, Peng Zhang, Neng-Hui Liao +3
In the narrow-line Seyfert 1 galaxy 1H 0707-495, recently a transient quasi-periodic oscillation (QPO) signal with a frequency of Hz has been detected at a…