Detection of a supermassive black hole binary in an active galactic nucleus

Details Detection of a supermassive black hole binary in an active galactic nucleus Detection of a supermassive black hole binary in an active galactic nucleus

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003asthe..96..656s&link_type=abstract

The Astronomical Herald (ISSN 0374-2466), Vol. 96, No. 12, p. 656 - 661 (2003)

Astronomy and Astrophysics

Astronomy

1

Black Hole Binaries, Active Galactic Nuclei

Scientific paper

Supermassive black hole binaries may exist in active galaxies such as radio galaxies. Using a technique of phase-referencing VLBI, we detected a systematic elliptical motion of the radio core during our imaging monitoring of the radio galaxy 3C66B. This result strongly indicates the orbital motion of a supermassive black hole binary. We expect that new radio interferometry facilities such as VERA, VSOP-2, and ALMA will begin a new era in study of supermassive black hole binaries.

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