First detection of secondary supermassive black hole in a well-known binary system

An international team of astronomers observed the second one of the two supermassive black holes circling each other in an active galaxy OJ 287.

Related Keywords

India ,Finland ,Czech Republic ,Poland ,Czech ,Czechia ,Mauri Valtonen ,Martin Jelinek ,Achamveedu Gopakumar ,Staszek Zola ,University Of Turku Aimo Sillanp ,Czech Technical University ,Tata Institute Of Fundamental Research At Mumbai ,Astronomical Institute Of Czechia ,University Of Turku ,Jagiellonian University Of Cracow ,Turku Aimo Sillanp ,Tata Institute ,Fundamental Research ,Professor Mauri ,Astronomical Institute ,Jagiellonian University ,Event Horizon Telescope ,