2 papers
astro-ph.CO2025
Milliarcsecond astrometric oscillations in active galactic nuclei as a precursor of multi-messenger gravitational wave events
Leonid I. Gurvits, Alexander G. Polnarev, Sandor Frey +4
The existence of supermassive black hole binaries (SMBHBs) is predicted by various cosmological and evolutionary scenarios for active galactic nuclei. These objects are considered…
astro-ph.GA2025
The evolution of a supermassive binary black hole in an non-spherical nuclear star cluster
Pavel B. Ivanov, Alexander G. Polnarev
(abridged) We consider a secular orbital evolution of a supermassive binary black hole (SBBH) with unequal masses and in a central part of a non-spherical nuclear…