Navegação Ciências Exatas e da Terra por Assunto "Galáxia NGC 5548"

Resultados 1-7 de 7

    • Feeding versus feedback in active galactic nuclei from near-infrared integral field spectroscopy : XII. NGC 5548 

      Schönell Júnior, Astor João; Storchi-Bergmann, Thaisa; Riffel, Rogemar André; Riffel, Rogério (2017) [Artigo de periódico]
      We map the gas excitation and kinematics, and the stellar population properties of the Seyfert 1 galaxy NGC 5548 using Gemini Near Infrared Integral Field Spectrograph in the J and K bands at a spatial and velocity resolution ...

    • Space telescope and optical reverberation mapping project : III. optical continuum emission and broadband time delays in NGC 5548 

      Fausnaugh, Michael; Denney, Kelly D.; Barth, Aaron J.; Bentz, Misty Cherie; Bottorff, Mark; Carini, Michael; Croxall, Kevin V.; De Rosa, Gisella; Goad, Michael R.; Horne, Keith; Joner, Michael D.; Kaspi, Shai; Kim, Minsun; Klimanov, S. A.; Kochanek, C.S.; Leonard, Douglas C.; Netzer, Hagai; Peterson, Bradley M.; Schnuelle, Kirsten; Sergeev, Sergey G.; Vestergaard, Marianne; Zheng, WeiKang; Zu, Ying; Anderson, Matt; Arévalo, Patricia; Bazhaw, C.; Borman, G. A.; Boroson, Todd; Brandt, W.N.; Breeveld, Alice A.; Brewer, Brendon J.; Cackett, Edward M.; Crenshaw, Daniel Michael; Dalla Bontà, Elena; De Lorenzo-Cáceres, Adriana; Dietrich, Matthias; Edelson, Rick A.; Efimova, Natalia V.; Ely, Justin C.; Evans, Phil A.; Filippenko, Alexei V.; Flatland, Kelsi; Gehrels, Neil C.; Geier, Stephan; Gelbord, Jonathan M.; Gonzalez, Luis A.; Gorjian, Varoujan; Grier, Catherine J.; Grupe, Dirk; Hall, Patrick B.; Hicks, Shannon; Horenstein, Daniel; Hutchison, T.; Im, Myungshin; Jensen, J. J.; Jones, Jeremy Bryn; Kaastra, Jelle S.; Kelly, Brandon Charles; Kennea, Jamie A.; Kim, Sang Chul; Korista, Kirk T.; Kriss, Gerard A.; Lee, Julia C.; Lira, Paulina; MacInnis, F.; Manne-Nicholas, Emily R.; Mathur, Smita; Mchardy, Ian Michael; Montouri, C.; Musso, R.; Nazarov, S. V.; Norris, Richard P.; Nousek, John A.; Okhmat, D. N.; Pancoast, Anna; Papadakis, Iossif; Parks, J. Robert; Pei, Liuyi; Pogge, Richard William; Pott, Jörg-Uwe; Rafter, Stephen E.; Rix, H.-W.; Saylor, Dicy A.; Schimoia, Jáderson da Silva; Siegel, Michael H.; Spencer, Meghin; Starkey, Donn R.; Sung, Hyun-Il; Teems, Katherine G.; Treu, Tommaso; Turner, Clay S.; Uttley, Phil; Villforth, Carolin; Weiss, Y.; Woo, Jong-Hak; Yan, H.; Young, Stuart (2016) [Artigo de periódico]
      We present ground-based optical photometric monitoring data for NGC 5548, part of an extended multiwavelength reverberation mapping campaign. The light curves have nearly daily cadence from 2014 January to July in nine ...

    • Space telescope and optical reverberation mapping project. IV. Anomalous behavior of the broad ultraviolet emission lines in NGC 5548 

      Goad, Michael R.; Korista, Kirk T.; De Rosa, Gisella; Kriss, Gerard A.; Edelson, Rick A.; Barth, Aaron J.; Ferland, Gary J.; Kochanek, C.S.; Netzer, Hagai; Peterson, Bradley M.; Bentz, Misty Cherie; Bisogni, S.; Crenshaw, Daniel Michael; Denney, Kelly D.; Ely, Justin C.; Fausnaugh, Michael; Grier, Catherine J.; Gupta, Anjali K.; Horne, Keith; Kaastra, Jelle S.; Pancoast, Anna; Pei, Liuyi; Pogge, Richard William; Skielboe, Andreas; Starkey, Donn R.; Vestergaard, Marianne; Zu, Ying; Anderson, Matt; Arévalo, Patricia; Bazhaw, C.; Borman, G. A.; Boroson, Todd; Bottorff, Mark; Brandt, W.N.; Breeveld, Alice A.; Brewer, Brendon J.; Cackett, Edward M.; Carini, Michael; Croxall, Kevin V.; Dalla Bontà, Elena; De Lorenzo-Cáceres, Adriana; Dietrich, Matthias; Efimova, Natalia V.; Evans, Phil A.; Filippenko, Alexei V.; Flatland, Kelsi; Gehrels, Neil C.; Geier, Stephan; Gelbord, Jonathan M.; Gonzalez, Luis A.; Gorjian, Varoujan; Grupe, Dirk; Hall, Patrick B.; Hicks, Shannon; Horenstein, Daniel; Hutchison, T.; Im, Myungshin; Jensen, J. J.; Joner, Michael D.; Jones, Jeremy Bryn; Kaspi, Shai; Kelly, Brandon Charles; Kennea, Jamie A.; Kim, Minsun; Kim, Sang Chul; Klimanov, S. A.; Lee, Julia C.; Leonard, Douglas C.; Lira, Paulina; MacInnis, F.; Manne-Nicholas, Emily R.; Mathur, Smita; Mchardy, Ian Michael; Montouri, C.; Musso, R.; Nazarov, S. V.; Norris, Richard P.; Nousek, John A.; Okhmat, D. N.; Papadakis, Iossif; Parks, J. Robert; Pott, Jörg-Uwe; Rafter, Stephen E.; Rix, H.-W.; Saylor, Dicy A.; Schimoia, Jáderson da Silva; Schnuelle, Kirsten; Sergeev, Sergey G.; Siegel, Michael H.; Spencer, Meghin; Sung, Hyun-Il; Teems, Katherine G.; Treu, Tommaso; Turner, Clay S.; Uttley, Phil; Villforth, Carolin; Weiss, Y.; Woo, Jong-Hak; Yan, H.; Young, Stuart; Zheng, WeiKang (2016) [Artigo de periódico]
      During an intensive Hubble Space Telescope (HST) Cosmic Origins Spectrograph (COS) UV monitoring campaign of the Seyfert 1 galaxy NGC 5548 performed from 2014 February to July, the normally highly correlated far UV continuum ...

    • Steps foward determination of the size and structure of the broad-line region in active galactic nuclei. V. Variability of the ultraviolet continuum and emission lines of NGC 3783 

      Reichert, G.A.; Rodriguez-Pascual, P.M.; Alloin, Danielle Marie; Clavel, J.; Crenshaw, Daniel Michael; Kriss, Gerard A.; Krolik, J.H.; Malkan, M.A.; Netzer, Hagai; Peterson, Bradley M.; Wamsteker, W.; Pastoriza, Miriani Griselda; Altamore, A.; Altieri, B.; Anderson, K.S.J.; Blackwell, J.H., Jr.; Boisson, Catherine; Brosch, N.; Carone, T.E.; Dietrich, Matthias; England, M.N.; Evans, I.N.; Filippenko, Alexei V.; Gaskell, C.M.; Good, M.; Gondhalekar, P.M.; Horne, Keith; Kazanas, D.; Kollatschny, W.; Koratkar, A.P.; Korista, Kirk T.; Macalpine, G.M.; Maoz, D.; Mazeh, Tsevi; Mccollum, B.; Miller, Hugh Richard; Oliveira, Carlos Roberto Mendes de; O'Brien, P.T.; Pelat, D.; Pérez Jiménez, Enrique; Perola, G.C.; Pogge, Richard William; Ptak, R.L.; Recondo-Gonzalez, M.C.; Rodríguez Espinosa, Jose Miguel; Rosenblat, E.I.; Asadun, A.C.; Santos-Lleo, M.; Shields, J.C.; Shrader, C.R.; Shull, John Michael; Simkin, S.M.; Sitko, M.L.; Snijders, M.A.J.; Sparke, L.S.; Stirpe, Giovanna M.; Stoner, R.E.; Storchi-Bergmann, Thaisa; Sun, W.-H.; Wang, T.; Welsh, W.F.; White, R.J.; Winge, Claudia; Zheng, W. (1994) [Artigo de periódico]
      We report on the results of intensive ultraviolet spectral monitoring of the Seyfert 1 galaxy NGC 3783. The nucleus of NGC 3783 was observed with the International Ultraviolet Explorer satellite on a regular basis for a ...

    • Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. VIII. An intensive HST, IUE, and ground-based study of NGC 5548 

      Korista, Kirk T.; Alloin, Danielle Marie; Barr, P.; Clavel, J.; Cohen, R.D.; Crenshaw, Daniel Michael; Evans, I.N.; Horne, Keith; Koratkar, A.P.; Kriss, Gerard A.; Krolik, J.H.; Malkan, M.A.; Morris, S.L.; Netzer, Hagai; O'Brien, P.T.; Peterson, Bradley M.; Reichert, G.A.; Rodriguez-Pascual, P.M.; Wamsteker, W.; Anderson, K.S.J.; Axon, David J.; Benitez, E.; Berlind, P.; Bertram, R.; Blackwell, J.H., Jr.; Bochkarev, N.G.; Boisson, Catherine; Carini, M.; Carrillo, R.; Carone, T.E.; Cheng, F.Z.; Christensem, J.A.; Chuvaev, K.K.; Dietrich, Matthias; Dokter, J.J.; Doroshenko, V.; Hayan, D. Dultzin; England, M.N.; Espey, B.R.; Filippenko, Alexei V.; Gaskell, C.M.; Goad, M.R.; Ho, Luis C.; Huchra, John P.; Jiang, Xiaojun; Kaspi, Shai; Kollatschny, W.; Laor, A.; Luminet, J.P.; Macalpine, G.M.; Mackenty, J.W.; Malkov, Yu. F.; Maoz, D.; Martin, P.G.; Matheson, T.; Mccollum, B.; Merkulova, N.; Metik, L.; Mignoli, M.; Miller, Hugh Richard; Pastoriza, Miriani Griselda; Pelat, D.; Penfold, J.; Perez, Marth; Perola, G.C.; Persaud, J.L.; Peters, J.; Pitts, R.; Pogge, Richard William; Pronik, V.I.; Ptak, R.L.; Rawley, L.; Recondo-Gonzalez, M.C.; Rodríguez Espinosa, Jose Miguel; Romanishin, W.; Sadun, A.C.; Salamanca, I.; Santos-Lleo, M.; Sekiguchi, Kazuhiro; Sergeev, S.G.; Shapovalova, A.I.; Shields, J.C.; Sharder, C.; Shull, John Michael; Silbermann, N.A.; Sitko, M.L.; Skillman, D.R.; Smith, H.A.; Smith, S.M.; Snijders, M.A.J.; Sparke, L.S.; Stirpe, Giovanna M.; Stoner, R.E.; Sun, W.-H.; Thiele, U.; Tokarz, S.; Tsvetanov, Z.I.; Turnshek, D.A.; Veilleux, Sylvain; Wagner, R.M.; Wagner, S.J.; Wanders, I.; Wang, T.; Welsh, W.F.; Weymann, R.J.; White, R.J.; Wilkes, B.J.; Wills, B.J.; Winge, Claudia; Wu, H.; Zou, Z.L. (1995) [Artigo de periódico]
      We present the data and initial results from a combined HST/IUE/ground-based spectroscopic monitoring campaign on the Seyfert I galaxy NGC 5548 that was undertaken in order to address questions that require both higher ...

    • Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. VII. Variability of the optical spectrum of NGC 5548 over 4 years 

      Peterson, Bradley M.; Berlind, P.; Bertram, R.; Bochkarev, N.G.; Bond, D.; Brotherton, Mike; Busler, J.R.; Chuvaev, K.K.; Cohen, R.D.; Dietrich, Matthias; Elvis, Martin; Filippenko, Alexei V.; Foltz, C.B.; Garnavich, P.M.; Ho, Luis C.; Horine, E.; Horne, Keith; Huchra, John P.; Kollatschny, W.; Korista, Kirk T.; Malkan, M.A.; Matheson, T.; Mignoli, M.; Morris, S.L.; Nazarova, L.; Penfold, J.; Peters, J.; Pogge, Richard William; Pronik, V.I.; Rush, B.; Sergeev, S.G.; Shapovalova, A.I.; Shields, J.C.; Stirpe, Giovanna M.; Tokarz, S.; Wagner, R.M.; Weymann, R.J.; White, R.J.; Wilkes, B.J.; Wills, Derek; Wills, Beverley J.; Winge, Claudia; Younger, P.F. (1994) [Artigo de periódico]
      We report on the results of a continuation of a large monitoring program of optical spectroscopy of the Seyfert 1 galaxy NGC 5548. The new observations presented here were obtained between 1990 December and 1992 October, ...

    • The first spectroscopic dust reverberation programme on active galactic nuclei : the torus in NGC 5548 

      Landt, Hermine; Ward, Martin John; Kynoch, Daniel; Packham, Christopher; Ferland, Gary J.; Lawrence, Andy; Pott, Jörg-Uwe; Esser, Johannes; Horne, Keith; Starkey, David A.; Malhotra, Deepak; Fausnaugh, Michael; Peterson, Bradley M.; Wilman, Richard J.; Riffel, Rogemar André; Storchi-Bergmann, Thaisa; Barth, Aaron J.; Villforth, Carolin; Winkler, Hartmut (2019) [Artigo de periódico]
      We have recently initiated the first spectroscopic dust reverberation programme on active galactic nuclei in the near-infrared. Spectroscopy enables measurement of dust properties, such as flux, temperature, and covering ...