Geometry and Kinematics in the Central Broad-Line Region of a Seyfert 1 Galaxy

Details Geometry and Kinematics in the Central Broad-Line Region of a Seyfert 1 Galaxy Geometry and Kinematics in the Central Broad-Line Region of a Seyfert 1 Galaxy

2002-03-14

arxiv.org/abs/astro-ph/0203238v1

Astronomy and Astrophysics

Astrophysics

4 pages, 10 figures. A&A Letters, in press

Scientific paper

10.1051/0004-6361:20020388

We recorded spectra of the highly variable Seyfert 1 galaxy Mrk110 in a variability campaign with the 9.2m Hobby-Eberly Telescope at McDonald Observatory in order to study the detailed line profile variations of the broad emission lines. Here we show that only an AGN model predicting the formation of the broad Hb line emission in the wind of an accretion disk matches the observed 2-D variability pattern. Furthermore, we derive an improved mass of the central supermassive black hole of M = 1.0(+1.0,-0.5)E7 M_sun from the Hb velocity-delay map.

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