A search for binary black hole candidates from the VLBI images of AGNs
Xiang Liu (Xinjiang Astronomical Observatory, CAS)
TL;DR
This paper reports the identification of six potential binary black hole candidates by analyzing VLBI core-jet pairs in active galactic nuclei, aiming to advance understanding of black hole mergers.
Contribution
The study introduces a systematic search method for binary black hole candidates using VLBI images, identifying six new potential candidates from existing catalogs.
Findings
Six possible binary black hole candidates identified
Preliminary analysis of candidates presented
Future multi-band VLBI and optical studies planned
Abstract
We have searched the core-jets pairs in the VLBI scales (1 kpc), from several VLBI catalogues, and find out 6 possible binary black hole (BBH) candidates. We present the search result and analyze the candidates preliminarily, and further study with multi-band VLBI observation and optical line investigation would be carried out in the future.
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