11–15 Dec 2023
Tsung-Dao Lee Institute
Asia/Shanghai timezone

The unusually high activity of supermassive black holes is as-sociated with their close binarity

15 Dec 2023, 14:45
1h
Poster Poster

Speaker

Alexandr Volvach (CRAO)

Description

The data of the last 60 years on the programs of long-term multi-frequency monitoring of active galactic nuclei 3C 273 are analyzed. A model is proposed for finding the parameters of close binary systems from supermassive black holes.
It has been established that 3C 273 can be a very massive binary system at the stage of evolution close to merging. Based on the obtained parameters, the characteristics of the gravitational radiation of this system, their lifetime before the merger, as well as the possible observation of 3C 273 using gravitational wave detectors considered.

This work was funded by the RSF, project number 23-22-10032.

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