Now showing items 1-2 of 2

    • Probing quasar shutdown timescales with Hanny's Voorwerp 

      Evans, D.A.; Schawinski, K.; Virani, S.; Urry, C.M.; Keel, W.C.; Natarajan, P.; Lintott, C.J.; Manning, A.; Coppi, P.; Kaviraj, S.; Bamford, S.P.; Józsa, G.I.G.; Garrett, M.; Van Arkel, H.; Gay, P.; Fortson, L. (American Institute of Physics (AIP), 2012)
      Galaxy formation is significantly modulated by energy output from supermassive black holes at the centers of galaxies which grow in highly efficient luminous quasar phases. The timescale on which black holes transition ...
    • The sudden death of the nearest quasar 

      Schawinski, K.; Virani, S.; Urry, C.M.; Natarajan, P.; Coppi, P.; Evans, D.A.; Keel, W.C.; Manning, A.; Lintott, C.J.; Kaviraj, S.; Bamford, S.P.; Józsa, G.I.G.; Garrett, M.; Van Arkel, H.; Gay, P.; Fortson, L. (2010-11-20)
      Galaxy formation is significantly modulated by energy output from supermassive black holes at the centers of galaxies which grow in highly efficient luminous quasar phases. The timescale on which black holes transition ...