Orbital Motion in the Radio Galaxy 3C 66B: Evidence for a Supermassive Black Hole Binary

Details Orbital Motion in the Radio Galaxy 3C 66B: Evidence for a Supermassive Black Hole Binary Orbital Motion in the Radio Galaxy 3C 66B: Evidence for a Supermassive Black Hole Binary

2003-06-05

arxiv.org/abs/astro-ph/0306103v1

Science 300 (2003) 1263

Astronomy and Astrophysics

Astrophysics

8 pages, 3 figures, to appear in the Science

Scientific paper

10.1126/science.1082817

Supermassive black hole binaries may exist in the centers of active galactic nuclei like quasars and radio galaxies and mergers between galaxies may result in the formation of supermassive binaries during the course of galactic evolution. Using the very-long-baseline interferometer, we imaged the radio galaxy 3C 66B at radio frequencies and found that the unresolved radio core of 3C 66B shows well-defined elliptical motions with a period of 1.05 +/- 0.03 years, which provides a direct detection of a supermassive black hole binary.

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