Supermassive Black Hole Binaries: The Search Continues
Tamara Bogdanovic (Georgia Institute of Technology)
TL;DR
This paper reviews the current understanding and ongoing efforts to detect supermassive black hole binaries, which are expected from galaxy mergers but remain observationally elusive, highlighting recent advances and future prospects.
Contribution
It provides an overview of theoretical models and discusses recent observational strategies and progress in the search for supermassive black hole binaries.
Findings
Current searches have yet to definitively detect SBHBs
Recent advances improve prospects for future detection
Theoretical models guide observational signatures
Abstract
Gravitationally bound supermassive black hole binaries (SBHBs) are thought to be a natural product of galactic mergers and growth of the large scale structure in the universe. They however remain observationally elusive, thus raising a question about characteristic observational signatures associated with these systems. In this conference proceeding I discuss current theoretical understanding and latest advances and prospects in observational searches for SBHBs.
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