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Accretion disk wind in the AGN broad-line region: Spectroscopically resolved line profile variations in Mrk110
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abstract
Detailed line profile variability studies of the narrow line Seyfert 1 galaxy Mrk110 are presented. We obtained the spectra in a variability campaign carried out with the 9.2m Hobby-Eberly Telescope at McDonald Observatory. The integrated Balmer and Helium (HeI,II) emission lines are delayed by 3 to 33 light days to the optical continuum variations respectively. The outer wings of the line profiles respond much faster to continuum variations than the central regions. The comparison of the observed profile variations with model calculations of different velocity fields indicates an accretion disk structure of the broad line emitting region in Mrk110. Comparing the velocity-delay maps of the different emission lines among each other a clear radial stratification in the BLR can be recognized. Furthermore, delays of the red line wings are slightly shorter than those of the blue wings. This indicates an accretion disk wind in the BLR of Mrk110. We determine a central black hole mass of M = $1.8\cdot10^{7} M_{\odot}$. Because of the poorly known inclination angle of the accretion disk this is a lower limit only.
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Cited by 1 Pith paper
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The effect of outflow launching radial efficiency of accretion disk on the shape of emission-line profiles
In the FRADO model, a photon-flux-dependent cloud emissivity makes broad-line profiles insensitive to the radial scaling of the disk mass-loss rate, while under uniform emissivity a steeper r^-3/2 scaling better match...
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