Navegação Ciências Exatas e da Terra por Autor "Lena, Davide"

Resultados 1-14 de 14

    • AGNIFS survey of local AGN : GMOS-IFU data and outflows in 30 sources 

      Dutra, Daniel Ruschel; Storchi-Bergmann, Thaisa; Müller, Allan Schnorr; Riffel, Rogemar André; Oliveira, Bruno Dall'Agnol de; Lena, Davide; Robinson, Andrew; Nagar, Neil M.; Elvis, Martin (2021) [Artigo de periódico]
      We analyse optical data cubes of the inner kiloparsec of 30 local (z ≤ 0.02) active galactic nucleus (AGN) hosts that our research group, AGNIFS, has collected over the past decade via observations with the integral field ...

    • 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.; Müller, Allan Schnorr; Fischer, Travis C.; Robinson, Andrew; Storchi-Bergmann, Thaisa; Crenshaw, Daniel Michael; Elvis, Martin (2018) [Artigo de periódico]
      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 ...

    • Dusty spirals versus gas kinematics in the inner kiloparsec of four low-luminosity active galactic nuclei 

      Brum, Carine; Riffel, Rogemar André; Storchi-Bergmann, Thaisa; Robinson, Andrew; Müller, Allan Schnorr; Lena, Davide (2017) [Artigo de periódico]
      We used the Gemini Multi-Object Spectrograph Integral Field Unit tomap the gas distribution, excitation and kinematics within the inner kiloparsec of four nearby low-luminosity active galaxies: NGC 3982, NGC 4501, NGC 2787 ...

    • Feeding and feedback in NGC 3081 

      Müller, Allan Schnorr; Storchi-Bergmann, Thaisa; Robinson, Andrew; Lena, Davide; Nagar, Neil M. (2016) [Artigo de periódico]
      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) [Artigo de periódico]
      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 

      Müller, Allan Schnorr; Storchi-Bergmann, Thaisa; Nagar, Neil M.; Robinson, Andrew; Lena, Davide (2017) [Artigo de periódico]
      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 ...

    • Integral field spectroscopy of the circum-nuclear region of the radio Galaxy Pictor A 

      Couto, Guilherme dos Santos; Storchi-Bergmann, Thaisa; Robinson, Andrew; Riffel, Rogemar André; Kharb, Preeti; Lena, Davide; Müller, Allan Schnorr (2016) [Artigo de periódico]
      We present optical integral field spectroscopy of the inner 2.5 × 3.4 kpc2 of the broad-line radio galaxy Pictor A, at a spatial resolution of ≈400 pc. Line emission is observed over the whole field of view, being strongest ...

    • Ionized gas kinematics within the inner kiloparsec of the Seyfert galaxy NGC 1365 

      Lena, Davide; Robinson, Andrew; Storchi-Bergmann, Thaisa; Couto, Guilherme dos Santos; Müller, Allan Schnorr; Riffel, Rogemar André (2016) [Artigo de periódico]
      We observed the nuclear region of the galaxy NGC 1365 with the integral field unit of the Gemini Multi Object Spectrograph mounted on the GEMINI-South telescope. The field of view covers 13 × 6 arcsec2(1173 × 541 pc2) ...

    • 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.; Müller, Allan Schnorr; Schmitt, Henrique Roberto (2019) [Artigo de periódico]
      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 ...

    • 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; Müller, Allan Schnorr; Robinson, Andrew; Crenshaw, Daniel Michael; Elvis, Martin (2019) [Artigo de periódico]
      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.; Müller, Allan Schnorr; Storchi-Bergmann, Thaisa; Finlez, Carolina; Lena, Davide; Ramakrishnan, Venkatessh; Mundell, Carole G.; Riffel, Rogemar André; Peterson, Bradley M.; Robinson, Andrew; Orellana, Gustavo (2019) [Artigo de periódico]
      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) [Artigo de periódico]
      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) [Artigo de periódico]
      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; Müller, Allan Schnorr; Riffel, Rogemar André; Lena, Davide; Mundell, Carole G.; Elvis, Martin (2018) [Artigo de periódico]
      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. ...