English

Correlations between Supermassive Black Holes and their Hosts in Active Galaxies

Astrophysics of Galaxies 2016-11-24 v1

Abstract

In the last decades several correlations between the mass of the central supermassive black hole (BH) and properties of the host galaxy - such as bulge luminosity and mass, central stellar velocity dispersion, S\'ersic index, spiral pitch angle etc. - have been found and point at a coevolution scenario of BH and host galaxy. In this article, I review some of these relations for inactive galaxies and discuss the findings for galaxies that host an active galactic nucleus/quasar. I present the results of our group that finds that active galaxies at z0.1z\lesssim 0.1 do not follow the BH mass - bulge luminosity relation. Furthermore, I show near-infrared integral-field spectroscopic data that suggest that young stellar populations cause the bulge overluminosity and indicate that the host galaxy growth started first. Finally, I discuss implications for the BH-host coevolution.

Keywords

Cite

@article{arxiv.1611.07872,
  title  = {Correlations between Supermassive Black Holes and their Hosts in Active Galaxies},
  author = {Gerold Busch},
  journal= {arXiv preprint arXiv:1611.07872},
  year   = {2016}
}

Comments

8 pages, 2 figures; to appear in the Proceedings of the 25th Annual Conference of Doctoral Students (WDS 2016), Prague