A surprising excess of radio emission in extremely stable quasars: a unique clue to jet launching?

Wen-Yong Kang, Jun-Xian Wang, Zhen-Yi Cai +6

Quasars are generally divided into jetted radio-loud and non-jetted radio-quiet ones, but why only 10% quasars are radio loud has been puzzling for decades. Other than jet-induced-…