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Black Hole Masses in Three Seyfert Galaxies

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C. A. Onken1, B. M. Peterson1, M. Dietrich2,5, A. Robinson3 and I. M. Salamanca4

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We analyze published reverberation mapping data for three Seyfert galaxies (NGC 3227, NGC 3516, and NGC 4593) to refine the mass estimate for the supermassive black hole in the center of each object. Treatment of the data in a manner more consistent with other large compilations of such masses allows us to more securely compare our results to wider samples of data, e.g., in the investigation of the Mbh* relationship for active and quiescent galaxies.


Subject headings

galaxies: active; galaxies: individual (NGC 3227, NGC 3516, NGC 4593); galaxies: nuclei; galaxies: Seyfert


Dates

Issue 1 (2003 March 1)

Received 2002 September 18, accepted for publication 2002 November 8



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