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20092025
most citedHierarchical Black Hole Mergers in Active Galactic Nuclei

283 citations · 2.8k across the 43 of their papers we have counts for

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astro-ph.HE2015★ 29 cited

Multiple periods in the variability of the supermassive black hole binary candidate quasar PG1302-102?

Maria Charisi, Imre Bartos, Zoltán Haiman +2

Graham et al. (2015) discovered a supermassive black hole binary (SMBHB) candidate and identified the detected 5.2 yr period of the optical variability as the orbital period of the…