Active galaxies are thought to be the supermassive cousins of binary systems in our Galaxy that contain black holes. Observations of an unusual active galaxy provide compelling evidence that these systems are indeed related.
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References
Mirabel, I. F. & Rodríguez, L. F. Nature 371, 46–48 (1994).
Miller, J. M. et al. Astrophys. J. 606, L131–L134 (2004).
McHardy, I. M., Koerding, E., Knigge, C., Uttley, P. & Fender, R. P. Nature 444, 730–732 (2006).
van der Klis, M. et al. Nature 316, 225–230 (1985).
Gierlin´ski, M., Middleton, M., Ward, M. & Done, C. Nature 455, 369–371 (2008).
Madejski, G. M. et al. Nature 365, 626–628 (1993).
Vaughan, S. & Uttley, P. Adv. Space Res. 38, 1405–1408 (2006).
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Uttley, P. Heartbeat of an active galaxy. Nature 455, 294–295 (2008). https://doi.org/10.1038/455294a
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DOI: https://doi.org/10.1038/455294a