A Nuclear Disk and massive BH in NGC 4342

Details A Nuclear Disk and massive BH in NGC 4342 A Nuclear Disk and massive BH in NGC 4342

1996-11-19

arxiv.org/abs/astro-ph/9611146v1

Astronomy and Astrophysics

Astrophysics

4 pages, Tex, 3 ps figures included. To appear in the conference proceedings of the Second Stromlo Symposium: The Nature of El

Scientific paper

We discuss photometric and spectroscopic data of the E/S0 galaxy NGC 4342, obtained with the Hubble Space Telescope (HST). This galaxy harbors, in addition to its outer disk, a very small, stellar disk in its nucleus. Jeans-modeling suggests the presence of a 3-6$\times 10^8 \Msun$ black hole (BH) in the nucleus. This galaxy therefore deviates significantly from the correlation between BH mass and bulge mass, found for other BH candidate galaxies.

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