Monitoring the temperature and reverberation delay of the circumnuclear hot dust in NGC 4151

@article{Schnuelle2015MonitoringTT,
  title={Monitoring the temperature and reverberation delay of the circumnuclear hot dust in NGC 4151},
  author={K. Schnuelle and J. U. Pott and Hans–Walter Rix and Bradley M. Peterson and Gisella De Rosa and Benjamin. J. Shappee},
  journal={Astronomy and Astrophysics},
  year={2015},
  volume={578}
}
A hot, dusty torus located around the outer edge of the broad-line region of AGNs is a fundamental ingredient in unified AGN models. While the existence of circumnuclear dust around AGNs at pc-scale radii is now widely accepted, questions about the origin, evolution and long-term stability of these dust tori remain unsettled. We used reverberation mapping of the hot circumnuclear dust in the Seyfert 1 galaxy NGC 4151, to monitor its temperature and reverberation lag as a function of the varying… 

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