When Quasars Collide STJC | Space Time

Captions provided by CCTubes – Captioning the Internet! So what happens when two Super Massive Black Holes collide? We may be about to find out, because astronomers have spotted a pair of them in a close binary orbit for the very first time.

This episode of Space Time Journal Club discusses:
“A candidate sub-parsec binary black hole in the Seyfert galaxy NGC 7674”, Kharb, Lal & Merritt 2017
https://arxiv.org/abs/1709.06258

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Previous Episode:
Are the Fundamental Constants changing?
https://www.youtube.com/watch?v=YJzoelANL_Y&t=8s

Related Episodes:
How to Build a Black Hole
https://www.youtube.com/watch?v=xx4562gesw0

Why Quasars are so Awesome
https://www.youtube.com/watch?v=3TZEp_n3eIc

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In this video, we discuss the reports about the detection of a pair of supermassive black holes orbiting only one light year apart from each other. Studying the dance of these giants should tell us a ton about how black holes grow. This paper was just published in Nature Astronomy by Preeti Kharb and Dharam Vir Lal from India’s National Center for Radio Astrophysics, and David Merritt from the Rochester Institute of Technology.

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