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astro-ph.HE2020
Pulsar Timing Array Constraints on the Merger Timescale of Subparsec Supermassive Black Hole Binary Candidates
Khai Nguyen, Tamara Bogdanovic, Jessie C. Runnoe +4
We estimate the merger timescale of spectroscopically-selected, subparsec supermassive black hole binary (SMBHB) candidates by comparing their expected contribution to the gravitat…
astro-ph.HE2019
Emission Signatures from Sub-parsec Binary Supermassive Black Holes III: Comparison of Models with Observations
Khai Nguyen, Tamara Bogdanovic, Jessie C. Runnoe +3
We present a method for comparing the H emission-line profiles of observed supermassive black hole (SBHB) candidates and models of sub-parsec SBHBs in circumbinary disks. Using…