Black holes and host galaxies of NLS1s |
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| Affiliation: | Racah Institute of Physics, The Hebrew University of Jerusalem, Jerusalem, Israel;Department of Economics and Finance, University of Nizwa, Nizwa, Oman;Graduate School of Management, Ritsumeikan Asia Pacific University, Oita, Japan |
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| Abstract: | Recently, reliable mass estimates for the central black holes in AGN became feasible due to emission-line reverberation techniques. Using this method as a calibrator, it is possible to determine black hole masses for a wide range of AGN, in particular NLS1s. Do NLS1s have smaller black holes than ordinary Seyfert 1 galaxies? Are their black holes smaller compared to the sizes of their host galaxies? Do they have larger L/M ratios? Do NLS1s have hotter accretion disks? I confront these questions with accretion disk theory and with the data, showing that the above may well be the case. |
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