Mass of BL Lacs from the Velocity Dispersion of the Host Galaxy

(2) Osservatorio Astronomico di Padova; (3) Tuorla Observatory; 4); (4) Universita' di Milano-Bicocca); A. Treves (1); J. Kotilainen (3) ((1) Universita' dell'Insubria; N. Carangelo (1; R. Falomo (2)

arxiv: astro-ph/0211045 · v1 · submitted 2002-11-04 · 🌌 astro-ph

Mass of BL Lacs from the Velocity Dispersion of the Host Galaxy

A. Treves (1) , N. Carangelo (1 , 4) , R. Falomo (2) , J. Kotilainen (3) ((1) Universita' dell'Insubria , (2) Osservatorio Astronomico di Padova , (3) Tuorla Observatory , (4) Universita' di Milano-Bicocca) This is my paper

classification 🌌 astro-ph

keywords dispersionlacsmassvelocityactiveassumingcentralefosc2

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We report on new measurements of the stellar velocity dispersion of 4 BL Lac objects for which optical spectroscopy was gathered at the ESO 3.6m using EFOSC2. Assuming the M(BH)--(sigma) relation is valid also for ellipticals hosting active nuclei we estimate the central BH mass of these BL Lacs.

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Mass of BL Lacs from the Velocity Dispersion of the Host Galaxy

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