Now showing items 1-14 of 14

    • An outflow in the Seyfert ESO 362-G18 revealed by Gemini-GMOS/IFU observations 

      Humire, Pedro K.; Nagar, Neil M.; Finlez, Carolina; Firpo, Verónica; Slater, Roy; Lena, Davide; Soto-Pinto, Pamela; Munõz-Vergara, Dania; Riffel, Rogemar André; Schmitt, Henrique Roberto; Kraemer, S. B.; Schnorr Müller, Allan; Fischer, Travis C.; Robinson, Andrew; Storchi-Bergmann, Thaisa; Crenshaw, Daniel Michael; Elvis, Martin (2018) [Journal article]
      We present two-dimensional stellar and gaseous kinematics of the inner 0.7 × 1.2 kpc2 of the Seyfert 1.5 galaxy ESO 362-G18, derived from optical (4092–7338 Å) spectra obtained with the GMOS integral field spectrograph on ...
    • Evolution of the nuclear accretion disk emission in NGC 1097 : getting closer to the black hole 

      Storchi-Bergmann, Thaisa; Nemmen, Rodrigo S.; Eracleous, Michael; Halpern, Jules P.; Wilson, Andrew S.; Filippenko, Alexei V.; Ruiz, Maria Teresa; Smith, Robert Christopher; Nagar, Neil M. (2003) [Journal article]
      We study the evolution of the broad, double-peaked H emission-line profile of the LINER/Seyfert 1 nucleus of NGC 1097, using 24 spectra obtained over a time span of 11 years—from 1991 November through 2002 October. While ...
    • Feeding and feedback in NGC 3081 

      Müller, Allan Schnorr; Storchi-Bergmann, Thaisa; Robinson, Andrew; Lena, Davide; Nagar, Neil M. (2016) [Journal article]
      We present two-dimensional gaseous kinematics of the inner 1.2 × 1.8 kpc2 of the Seyfert 2 galaxy NGC 3081, from optical spectra (5600–7000 Å) obtained with the Gemini Multi Object Spectrograph integral field spectrograph ...
    • Feeding and feedback in the inner kiloparsec of the active galaxy NGC 2110 

      Müller, Allan Schnorr; Storchi-Bergmann, Thaisa; Nagar, Neil M.; Robinson, Andrew; Lena, Davide; Riffel, Rogemar André; Couto, Guilherme dos Santos (2014) [Journal article]
      We present two-dimensional gaseous kinematics of the inner 1.1 × 1.6 kpc² of the Seyfert 2 galaxy NGC 2110, from optical spectra (5600–7000 Å) obtained with the GeminiMulti Object Spectrograph integral field spectrograph ...
    • Gas inflows towards the nucleus of NGC 1358 

      Schnorr Müller, Allan; Storchi-Bergmann, Thaisa; Nagar, Neil M.; Robinson, Andrew; Lena, Davide (2017) [Journal article]
      We use optical spectra from the inner 1.8×2.5 kpc2 of the Seyfert 2 galaxy NGC1358, obtained with the GMOS integral field spectrograph on the Gemini South telescope at a spatial resolution of ≈165 pc, to assess the feeding ...
    • Gas inflows towards the nucleus of the active galaxy NGC 7213 

      Müller, Allan Schnorr; Storchi-Bergmann, Thaisa; Nagar, Neil M.; Ferrari, Fabricio (2014) [Journal article]
      We present two-dimensional stellar and gaseous kinematics of the inner 0.8 × 1.1 kpc² of the LINER/Seyfert 1 galaxy NGC 7213, from optical spectra obtained with the Gemini Multi- Object Spectrograph integral field spectrograph ...
    • Gas inflows towards the nucleus of the Seyfert 2 galaxy NGC 1667 

      Schnorr Müller, Allan; Storchi-Bergmann, Thaisa; Ferrari, Fabricio; Nagar, Neil M. (2017) [Journal article]
      We use optical spectra from the inner 2 × 3 kpc2 of the Seyfert 2 galaxy NGC 1667, obtained with the Gemini Multi-Object Spectrograph integral field spectrograph on the Gemini South telescope at a spatial resolution of ...
    • A nuclear ionized gas outflow in the Seyfert 2 galaxy UGC 2024 

      Munõz-Vergara, Dania; Nagar, Neil M.; Ramakrishnan, Venkatessh; Finlez, Carolina; Storchi-Bergmann, Thaisa; Slater, Roy; Firpo, Verónica; Humire, Pedro K.; Soto-Pinto, Pamela; Kraemer, S. B.; Lena, Davide; Robinson, Andrew; Riffel, Rogemar André; Crenshaw, Daniel Michael; Elvis, Martin; Fischer, Travis C.; Schnorr Müller, Allan; Schmitt, Henrique Roberto (2019) [Journal article]
      As part of a high-resolution observational study of feeding and feedback processes occurring in the vicinity of the active galactic nucleus in 40 galaxies, we observed the inner 3′′.5 × 5 arcsec of the nearby spiral and ...
    • Nuclear kinematics in nearby AGN-I. An ALMA perspective on the morphology and kinematics of the molecular CO(2–1) emission 

      Ramakrishnan, Venkatessh; Nagar, Neil M.; Finlez, Carolina; Storchi-Bergmann, Thaisa; Slater, Roy; Schnorr Müller, Allan; Riffel, Rogemar André; Mundell, Carole G.; Robinson, Andrew (2019) [Journal article]
      We present the molecular gas morphology and kinematics of seven nearby Seyfert galaxies obtained from our 230 GHz ALMA observations. The COJ = 2−1 kinematics within the inner ∼30 arcsec (≲9 kpc) reveals rotation patterns ...
    • Outflowing gas in a compact ionization cone in the Seyfert 2 galaxy ESO 153-G20 

      Soto-Pinto, Pamela; Nagar, Neil M.; Finlez, Carolina; Ramakrishnan, Venkatessh; Munõz-Vergara, Dania; Slater, Roy; Humire, Pedro K.; Storchi-Bergmann, Thaisa; Lena, Davide; Kraemer, S. B.; Fischer, Travis C.; Schmitt, Henrique Roberto; Riffel, Rogemar André; Schnorr Müller, Allan; Robinson, Andrew; Crenshaw, Daniel Michael; Elvis, Martin (2019) [Journal article]
      We present two-dimensional ionized gas and stellar kinematics in the inner 1.4 × 1.9 kpc2 of the Seyfert 2 galaxy ESO 153-G20 obtained with the Gemini-South/Gemini multi-object spectrograph integral field unit (GMOS-IFU) ...
    • Outflows in the inner kiloparsec of NGC1566 as revealed by molecular (ALMA) and ionized gas (Gemini-GMOS/IFU) kinematics 

      Slater, Roy; Nagar, Neil M.; Schnorr Müller, Allan; Storchi-Bergmann, Thaisa; Finlez, Carolina; Lena, Davide; Ramakrishnan, Venkatessh; Mundell, Carole G.; Riffel, Rogemar André; Peterson, Bradley M.; Robinson, Andrew; Orellana, Gustavo (2019) [Journal article]
      Context. Tracing nuclear inflows and outflows in active galactic nuclei (AGNs), determining the mass of gas involved in them, and their impact on the host galaxy and nuclear black hole requires 3D imaging studies of both ...
    • Outflows in the narrow-line region of bright Seyfert galaxies : I. GMOS-IFU data 

      Santos, Izabel Cristina Freitas dos; Riffel, Rogemar André; Storchi-Bergmann, Thaisa; Elvis, Martin; Robinson, Andrew; Crenshaw, Daniel Michael; Nagar, Neil M.; Lena, Davide; Schmitt, Henrique Roberto; Kraemer, S. B. (2018) [Journal article]
      We present two-dimensional maps of emission-line fluxes and kinematics, as well as of the stellar kinematics of the central few kpc of five bright nearby Seyfert galaxies –Mrk 6, Mrk 79, Mrk 348, Mrk 607, and Mrk 1058 – ...
    • The complex gas kinematics in the nucleus of the Seyfert 2 galaxy NGC 1386 : rotation, outflows, and inflows 

      Lena, Davide; Robinson, Andrew; Storchi-Bergmann, Thaisa; Müller, Allan Schnorr; Seelig, T.; Riffel, Rogemar André; Nagar, Neil M.; Couto, Guilherme dos Santos; Shadler, l (2015) [Journal article]
      We present optical integral field spectroscopy of the circum-nuclear gas of the Seyfert 2 galaxy NGC 1386. The data cover the central 7″ × 9″ (530 × 680 pc) at a spatial resolution of 0″. 9 (68 pc), and the spectral range ...
    • The complex jet- and bar- perturbed kinematics in NGC 3393 as revealed with ALMA and GEMINI–GMOS/IFU 

      Finlez, Carolina; Nagar, Neil M.; Storchi-Bergmann, Thaisa; Schnorr Müller, Allan; Riffel, Rogemar André; Lena, Davide; Mundell, Carole G.; Elvis, Martin (2018) [Journal article]
      NGC 3393, a nearby Seyfert 2 galaxy with nuclear radio jets, large-scale and nuclear bars, and a posited secondary supermassive black hole, provides an interesting laboratory to test the physics of inflows and outflows. ...