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Villforth, D. A. Saylor, D. C. Leonard, D. Grupe, D. J. Stevens, D. M. Crenshaw, D. Mudd, D. N. Okhmat, D. Proga, D. Starkey, E. Dalla Bonta, E. Gardner, E. Holmbeck, E. L. Gates, E. M. Cackett, E. M. Corsini, E. R. Manne-Nicholas, F. MacInnis, F. Mueller-Sanchez, G. A. Borman, G. A. Kriss, G. Canalizo, G. De Rosa, G. J. Ferland, G. Somers, G. V. Simonian, H.-I. Sung, H. Netzer, H.-W. Rix, H. Yan, H. Yuk, I. M. Mc Hardy, I. Papadakis, I. Shivvers, J. A. Kennea, J. A. Nousek, J. C. Lee, J. C. Mauerhan, J. E. Brown, J. E. Greene, J. Ely, J.-H. Woo, J. J. Jensen, J. Jones, J. Kaastra, J. M. Comerford, J. M. Gelbord, J. R. Parks, J. Runnoe, J. S. Brown, J. S. Schimoia, J. Tayar, J.-U. Pott, J . Van Saders, K. D. Denney, Keith Horne, K. Flatland, K. G. Teems, K. I. Clubb, K. Schnuelle, K. T. Korista, K. V. Croxall, L. Gonzalez, L. Morelli, L. Pei, L. Vican, M. A. Malkan, M. A. Strauss, M. Brotherton, M. C. Bentz, M. C. Bottorff, M. D. Anderson, M. Dehghanian, M. Dietrich, M. D. Joner, M. Eracleous, Miao Li, M. Im, M. Kim, M. L. Nguyen, M. M. Fausnaugh, M. R. Goad, M. Siegel, M. Spencer, M. T. Carini, M. T. Penny, M. Vestergaard, M. W. Lau, N. Gehrels, N. L. Zakamska, N. Tejos, N. V. Efimova, O. D. Fox, P. A. Evans, P. Arevalo, P. B. Hall, P. Lira, P. L. Kelly, P. Ochner, P. Uttley, R. Edelson, R. McGurk, R. P. Norris, R. Poleski, R. W. Pogge, S. A. Klimanov, S. Bisogni, S. C. Kim, S. Croft, S. E. Rafter, S. Geier, S. G. Sergeev, S. Hicks, S. Kaspi, S. Kim, S. M. Adams, S. Mathur, S. Villanueva Jr, S. V. Nazarov, S. Young, T. A. Boroson, T G. Beatty, T. Hutchison, T. Treu, T. W.-S. Holoien, V. Gorjian, V. N. Bennert, W. N. Brandt, W. Zheng, W. Zhu, Y. Krongold, Y. Weiss, Y. Zu, Zhiyuan Ma","submitted_at":"2020-03-03T11:02:03Z","abstract_excerpt":"We report velocity-delay maps for prominent broad emission lines, Ly_alpha, CIV, HeII and H_beta, in the spectrum of NGC5548. The emission-line responses inhabit the interior of a virial envelope. 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