Stability of the Broad Line Region Geometry and Dynamics in Arp 151 Over Seven Years

@article{Pancoast2018StabilityOT,
  title={Stability of the Broad Line Region Geometry and Dynamics in Arp 151 Over Seven Years},
  author={Anna Pancoast and Aaron J. Barth and Keith Horne and Tommaso Treu and Brendon J. Brewer and Vardha N. Bennert and Gabriela Canalizo and Elinor Gates and W. D. Li and Matthew A. Malkan and David J. Sand and T. Schmidt and Stefano Valenti and Jong-Hak Woo and Kelsey I. Clubb and Michael C. Cooper and Steven M. Crawford and Sebastian F. Honig and Michael D. Joner and Michael T. Kandrashoff and Mariana Spasova Lazarova and Anna M. Nierenberg and Encarni Romero-Colmenero and Donghoon Son and Erik J. Tollerud and Jonelle L. Walsh and Hartmut Winkler},
  journal={arXiv: Astrophysics of Galaxies},
  year={2018}
}
The Seyfert 1 galaxy Arp 151 was monitored as part of three reverberation mapping campaigns spanning $2008-2015$. We present modeling of these velocity-resolved reverberation mapping datasets using a geometric and dynamical model for the broad line region (BLR). By modeling each of the three datasets independently, we infer the evolution of the BLR structure in Arp 151 over a total of seven years and constrain the systematic uncertainties in non-varying parameters such as the black hole mass… 
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