The puzzling case of the radio-loud QSO 3C 186: a gravitational wave recoiling black hole in a young radio source?

  title={The puzzling case of the radio-loud QSO 3C 186: a gravitational wave recoiling black hole in a young radio source?},
  author={Marco Chiaberge and Justin Ely and Eileen T. Meyer and Markos Georganopoulos and Andrea Marinucci and Stefano Bianchi and Grant R. Tremblay and Bryan Hilbert and J. P. Kotyla and Alessandro Capetti and S. A. Baum and Ferdinando Duccio Macchetto and George K. Miley and Christopher P. O’Dea and Eric S. Perlman and William B. Sparks and Colin Norman},
  journal={Astronomy and Astrophysics},
Context. Radio-loud active galactic nuclei with powerful relativistic jets are thought to be associated with rapidly spinning black holes (BHs). BH spin-up may result from a number of processes, including accretion of matter onto the BH itself, and catastrophic events such as BH-BH mergers. Aims. We study the intriguing properties of the powerful ( L bol ~ 10 47 erg s -1 ) radio-loud quasar 3C 186. This object shows peculiar features both in the images and in the spectra. Methods. We utilize… 

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