38 citations · 56 across the 3 of their papers we have counts for
1 paper · 1 filter
J. M. Wang, Y. -M. Chen, C. -S. Yan +1
Episodic activity of quasars is driving growth of supermassive black holes (SMBHs) via accretion of baryon gas. In this Letter, we develop a simple method to analyse the duty cycle…