2012
Probing quasar shutdown timescales with Hanny's Voorwerp
Evans D, Schawinski K, Virani S, Urry C, Keel W, Natarajan P, Lintott C, Manning A, Coppi P, Kaviraj S, Bamford S, Józsa G, Garrett M, van Arkel H, Gay P, Fortson L. Probing quasar shutdown timescales with Hanny's Voorwerp. AIP Conference Proceedings 2012, 1427: 193-200. DOI: 10.1063/1.3696176.Peer-Reviewed Original ResearchSupermassive black holesHanny's VoorwerpBlack holesXMM-Newton X-ray observationsPhysics of accretionCenters of galaxiesX-ray observationsBlack hole transitionGalaxy formationQuasar phaseIC 2497Light echoesHole transitionsAccretion diskRadiative outputIndividual quasarsFirst measurementOrders of magnitudeSuch phasesHolesTimescalesGalaxiesSuzakuQuasarsTransition
2010
THE SUDDEN DEATH OF THE NEAREST QUASAR
Schawinski K, Evans D, Virani S, Urry C, Keel W, Natarajan P, Lintott C, Manning A, Coppi P, Kaviraj S, Bamford S, Józsa G, Garrett M, van Arkel H, Gay P, Fortson L. THE SUDDEN DEATH OF THE NEAREST QUASAR. The Astrophysical Journal Letters 2010, 724: l30-l33. DOI: 10.1088/2041-8205/724/1/l30.Peer-Reviewed Original ResearchSupermassive black holesBlack holesPhysics of accretionCenters of galaxiesX-ray observationsBlack hole transitionGalaxy formationQuasar phaseHanny's VoorwerpIC 2497Light echoesHole transitionsAccretion diskRadiative outputIndividual quasarsFirst measurementOrders of magnitudeQuasarsSuch phasesHolesGalaxiesTimescalesTransitionPhysicsEnergy output
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