Astrophysical: Seyfert galaxies

  • Talk
    JWST view of Polycyclic Aromatic Hydrocarbons and dust in local active galaxies
    Nowadays, it is widely accepted that most galaxies undergo an active phase in their evolution. The impact of the energy released by active galactic nuclei (AGN)...
  • Publication
    Long slit spectroscopy of NGC 5506
    The galaxy NGC 5506 hosts an active nucleus, that presents characteristics that are intermediate between Sy1 and Sy2. We discuss long slit spectra of NGC 5506...
  • Publication
    Modeling an accretion disk in NGC 985
    An optically thick relativistic Keplerian accretion disk model is used to fit the broad component of the H-alpha, H-beta, and He I 5876 A emission line profiles...
  • Publication
    Monitoring of active galacitc nuclei. 4: The Seyfert 1 galaxy NGC 4593
    Results of a five-month campaign of optical monitoring the Seyfert 1 galaxy NGC 4593 are presented. High resolution H-alpha and H-Beta spectra and direct images...
  • Publication
    Monitoring of active galactic nuclei. I - The quasars 1302 - 102 and 1217 + 023
    We present the results of a five-month spectroscopic monitoring campaign of two radio loud quasars, PKS 1217 + 023 and PKS 1302 - 102. There is a pronounced...
  • Publication
    Nature of the soft X-ray emission in LINERs through RGS/XMM-Newton spectra
    In this paper we present the differences and similarities found between Low Ionization Narrow Emission Regions (LINERs) and Seyfert 2s based on their X-ray and...
  • Publication
    Near infrared surface photometry of NGC 1068.
    NGC 1068 has been observed at the near infrared bands J, H, K, L. Near infrared scans of NGC 1068 with 20 and 5 arcsec apertures have been used to isolate the...
  • Publication
    NGC 985 - Extended ionized regions and the far-infrared luminosity of a ring-shaped Seyfert galaxy
    Narrow-band H-alpha images and long-slit spectroscopy of the Seyfert galaxy NGC 985 are presented. Large-scale extended ionized zones are seen to cover a...
  • Publication
    NGC 985 - Interactions and the origin of AGNs
    Observations of the Seyfert galaxy NGC 985 have revealed large-scale extended ionized zones, covering a large fraction of the ring-shaped structure of this...