The low-luminosity end of the radius-luminosity relationship for active galactic nuclei

Misty C. Bentz, Kelly D. Denney, Catherine J. Grier, Aaron J. Barth, Bradley M. Peterson, Marianne Vestergaard, Vardha N. Bennert, Gabriela Canalizo, Gisella De Rosa, Alexei V. Filippenko, Elinor L. Gates, Jenny E. Greene, Weidong Li, Matthew A. Malkan, Richard W. Pogge, Daniel Stern, Tommaso Treu, Jong Hak Woo