Listar Ciencias Exactas y Naturales por autor "Marconi, A."

Mostrando ítems 1-5 de 5

    • An Hα nuclear spiral structure in the E0 active galaxy Arp 102B 

      Fathi, Kambiz; Axon, David J.; Storchi-Bergmann, Thaisa; Kharb, Preeti; Robinson, Andrew; Marconi, A.; Maciejewski, Witold B.; Capetti, A. (2011) [Artículo de periódico]
      We report the discovery of a two-armed mini-spiral structure within the inner kiloparsec of the E0 LINER/Seyfert 1 galaxy Arp 102B. The arms are observed in Hα emission and located east and west of the nucleus, extending ...

    • Hubble Space Telescope faint object camera spectroscopy of the narrow-line region of NGC 4151. I. Gas kinematics 

      Winge, Claudia; Axon, David J.; Macchetto, Ferdinando Duccio; Capetti, A.; Marconi, A. (1999) [Artículo de periódico]
      We present the results from a detailed kinematic analysis of both ground-based, and Hubble Space Telescope (HST )/Faint Object Camera long-slit spectroscopy at subarcsecond spatial resolution of the narrow-line region (NLR) ...

    • Spitzer space telescope measurements of dust reverberation lags in the Seyfert 1 galaxy NGC 6418 

      Vasquez, Billy; Galianni, Pasquale; Richmond, Michael; Robinson, Andrew; Axon, David J.; Horne, Keith; Almeyda, Triana; Fausnaugh, Michael; Peterson, Bradley M.; Bottorff, Mark; Gallimore, Jack F.; Elitzur, Moshe; Netzer, Hagai; Storchi-Bergmann, Thaisa; Marconi, A.; Capetti, A.; Batcheldor, Dan; Buchanan, Catherine; Stirpe, Giovanna M.; Kishimoto, Makoto; Packham, Christopher; Pérez Jiménez, Enrique; Tadhunter, Clive; Upton, John; Estrada-Carpenter, Vicente (2015) [Artículo de periódico]
      We present results from a 15 month campaign of high-cadence (∼3 days) mid-infrared Spitzer and optical (B and V) monitoring of the Seyfert 1 galaxy NGC 6418, with the objective of determining the characteristic size of the ...

    • Streaming motions toward the supermassive black hole in NGC 1097 

      Fathi, Kambiz; Storchi-Bergmann, Thaisa; Riffel, Rogemar André; Winge, Claudia; Axon, David J.; Robinson, Andrew; Capetti, A.; Marconi, A. (2006) [Artículo de periódico]
      We have used GMOS-IFU and high-resolution HST-ACS observations to map, in unprecedented detail, the gas velocity field and structure within the 0.7 kpc circumnuclear ring of the SBb LINER/Seyfert 1 galaxy NGC 1097.We find ...

    • The origin of the narrow-line region of Markarian 3 : an overpressured jet cocoon 

      Capetti, A.; Axon, David J.; Macchetto, Ferdinando Duccio; Marconi, A.; Winge, Claudia (1999) [Artículo de periódico]
      We have obtained Hubble Space Telescope (HST ) Faint Object Camera (FOC) f/48 long-slit optical spectroscopy of the inner 2" of the narrow-line region (NLR) of the Seyfert 2 galaxy Mrk 3 with a spatial resolution of 0".06. ...