Navegação Ciências Exatas e da Terra por Autor "Kraemer, S. B."

Resultados 1-12 de 12

    • 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 ...

    • Bipolar ionization cones in the extended narrow-line region of nearby QSO2s 

      Storchi-Bergmann, Thaisa; Oliveira, Bruno Dall'Agnol de; Micchi, L. F. Longo; Schmitt, Henrique Roberto; Fischer, Travis C.; Kraemer, S. B.; Crenshaw, Daniel Michael; Maksym, W. Peter; Elvis, Martin; Fabbiano, Giuseppina; Colina, Luis (2018) [Artigo de periódico]
      We have used narrowband [O III] λλ4959, 5007 and Hα+[N II] λλ6548, 84 Hubble Space Telescope (HST) images of nine luminous (L[O III]>1042 erg s−1) type 2 QSOs with redshifts 0.1<z<0.5 in order to constrain the geometry of ...

    • Disentangling the near-infrared continuum spectral components of the inner 500 pc of Mrk 573 : two-dimensional maps 

      Diniz, Marlon Rodrigo; Riffel, Rogemar André; Riffel, Rogério; Crenshaw, Daniel Michael; Storchi-Bergmann, Thaisa; Fischer, Travis C.; Schmitt, Henrique Roberto; Kraemer, S. B. (2017) [Artigo de periódico]
      We present a near-infrared (near-IR) study of the spectral components of the continuum in the inner 500×500 pc2 of the nearby Seyfert galaxy Mrk 573 using adaptive optics near-IR integral field spectroscopy with the ...

    • Gauging the effect of supermassive black holes feedback on quasar host galaxies 

      Oliveira, Bruno Dall'Agnol de; Storchi-Bergmann, Thaisa; Kraemer, S. B.; Villar-Martín, Montse; Müller, Allan Schnorr; Schmitt, Henrique Roberto; Dutra, Daniel Ruschel; Crenshaw, Daniel Michael; Fischer, Travis C. (2021) [Artigo de periódico]
      In order to gauge the role that active galactic nuclei play in the evolution of galaxies via the effect of kinetic feedback in nearby QSO 2’s (z ∼ 0.3), we observed eight such objects with bolometric luminosities Lbol∼1046ergs−1 ...

    • Gemini near infrared field spectrograph observations of the Seyfert 2 galaxy Mrk 573 : in situ acceleration of ionized and molecular gas off fueling 

      Fischer, Travis C.; Machuca, Camilo; Diniz, Marlon Rodrigo; Crenshaw, Daniel Michael; Kraemer, S. B.; Riffel, Rogemar André; Schmitt, Henrique Roberto; Baron, Fabien A.; Storchi-Bergmann, Thaisa; Straughn, Amber N.; Revalski, Mitchell; Pope, Crystal L. (2017) [Artigo de periódico]
      We present near-infrared and optical emission-line and stellar kinematics of the Seyfert 2 galaxy Mrk 573 using the Near-Infrared Field Spectrograph (NIFS) at Gemini North and Dual Imaging Spectrograph at Apache Point ...

    • Hubble Space Telescope observations of extended [OIII]λ5007 emission in nearby QSO2s : new constraints on AGN host galaxy interaction 

      Fischer, Travis C.; Kraemer, S. B.; Schmitt, Henrique Roberto; Micchi, L. F. Longo; Crenshaw, Daniel Michael; Revalski, Mitchell; Vestergaard, Marianne; Elvis, Martin; Gaskell, C.M.; Hamann, Fred; Ho, Luis C.; Hutchings, John B.; Mushotzky, Richard; Netzer, Hagai; Storchi-Bergmann, Thaisa; Straughn, Amber N.; Turner, T.J.; Ward, Martin John (2018) [Artigo de periódico]
      We present a Hubble Space Telescope survey of extended [O III] λ5007 emission for a sample of 12 nearby (z < 0.12), luminous Type 2 quasars (QSO2s), which we use to measure the extent and kinematics of their AGNionized ...

    • Hubble Space Telescope observations of [O III] emission in nearby QSO2s : physical properties of the ionized outflows 

      Falcão, Anna Luiza Trindade; Kraemer, S. B.; Fischer, Travis C.; Crenshaw, Daniel Michael; Revalski, Mitchell; Schmitt, Henrique Roberto; Vestergaard, Marianne; Elvis, Martin; Gaskell, C.M.; Hamann, Fred; Ho, Luis C.; Hutchings, John B.; Mushotzky, Richard; Netzer, Hagai; Storchi-Bergmann, Thaisa; Turner, T.J.; Ward, M.J. (2021) [Artigo de periódico]
      We use Hubble Space Telescope/Space Telescope Imaging Spectrograph long-slit G430M and G750M spectra to analyse the extended [O iii] λ5007 emission in a sample of 12 nearby (z < 0.12) luminous (Lbol > 1.6 × 1045 erg s−1) ...

    • 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 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 – ...

    • Quantifying feedback from narrow line region outflows in nearby active galaxies II. Spatially resolved mass outflow rates for the QSO2 Markarian 34 

      Revalski, Mitchell; Dashtamirova, D.; Crenshaw, Daniel Michael; Kraemer, S. B.; Fischer, Travis C.; Schmitt, Henrique Roberto; Gnilka, C. L.; Schmidt, Jana G.; Elvis, Martin; Fabbiano, Giuseppina; Storchi-Bergmann, Thaisa; Maksym, W. Peter; Gandhi, Poshak (2018) [Artigo de periódico]
      We present spatially resolved mass outflow rate measurements (M˙ out) for the narrow line region of Markarian 34, the nearest Compton-thick type 2 quasar (QSO2). Spectra obtained with the Hubble Space Telescope and at ...

    • A UFO Seen Edge-on? : resolving Ultrafast Outflow Emission on ∼200 pc Scales with Chandra in the Active Nucleus of Mrk 34 

      Maksym, W. Peter; Elvis, Martin; Fabbiano, Giuseppina; Falcão, Anna Luiza Trindade; Kraemer, S. B.; Fischer, Travis C.; Crenshaw, Daniel Michael; Storchi-Bergmann, Thaisa (2023) [Artigo de periódico]
      We present Chandra ACIS imaging spectroscopy of the nucleus of the Seyfert 2 Galaxy Mrk 34. We identify spatially and spectrally resolved features in the band that includes Fe Kα, Fe xxv, and Fe xxvi. These features suggest ...