In the 1980s, the gas surrounding a black hole in a nearby galaxy began to emit much more radiation than before. This change has unexpectedly reversed in the past five years, questioning our understanding of these extreme phenomena.
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Adapted From Michael S. Helfenbein/Yale Univ.
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Kormendy, J. & Ho, L. C. Annu. Rev. Astron. Astrophys. 51, 511–563 (2013).
McElroy, R. E. et al. Astron. Astrophys. 593, L8 (2016).
Husemann, B. et al. Astron. Astrophys. 593, L9 (2016).
Antonucci, R. Annu. Rev. Astron. Astrophys. 31, 473–521 (1993).
Urry, C. M. & Padovani, P. Publ. Astron. Soc. Pacif. 107, 803–845 (1995).
Storchi-Bergmann, T., Baldwin, J. A. & Wilson, A. S. Astrophys. J. 410, L11 (1993).
Denney, K. D. et al. Astrophys. J. 796, 134 (2014).
LaMassa, S. M. et al. Astrophys. J. 800, 144 (2015).
Cohen, R. D. et al. Astrophys. J. 311, 135 (1986).
Merloni, A. et al. Mon. Not. R. Astron. Soc. 452, 69–87 (2015).
Aretxaga, I., Joguet, B., Kunth, D., Melnick, J. & Terlevich, R. J. Astrophys. J. 519, L123 (1999).
Runnoe, J. C. et al. Mon. Not. R. Astron. Soc. 455, 1691–1701 (2016).
Ruan, J. J. et al. Astrophys. J. 826, 188 (2016).
MacLeod, C. L. et al. Mon. Not. R. Astron. Soc. 457, 389–404 (2016).
Shakura, N. I. & Sunyaev, R. A. Mon. Not. R. Astron. Soc. 175, 613–632 (1976).
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LaMassa, S. A black hole changes its feeding habits. Nature 540, 48–49 (2016). https://doi.org/10.1038/nature20480
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DOI: https://doi.org/10.1038/nature20480
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