Astrophysical: Quasars

  • Publication
    J-PLUS: galaxy-star-quasar classification for DR3
    The Javalambre Photometric Local Universe Survey (J-PLUS) is a 12-band photometric survey using the 83-cm JAST telescope. Data Release 3 includes 47.4 million...
  • Publication
    Jets from Subparsec to Kiloparsec Scales: A Physical Connection
    The Chandra discovery of bright X-ray emission from kiloparsec-scale jets allows insight into the physical parameters of the jet flow at large scales. At the...
  • 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
    Kinetic power of quasars and statistical excess of MOJAVE superluminal motions
    Aims: The MOJAVE (MOnitoring of Jets in AGN with VLBA Experiments) survey contains 101 quasars with a total of 354 observed radio components that are different...
  • Publication
    LAEs & LBGs with OSIRIS
    We present preliminary results of an on going program to study Lyman Alpha Emitters, Lyman Break Galaxies, and Quasars at high redshift with the OSIRIS...
  • Publication
    Large SDSS Quasar Groups and their Statistical Significance
    We use a volume-limited sample of quasars in the Sloan Digital Sky Survey (SDSS) DR7 quasar catalog to identify quasar groups and address their statistical...
  • Publication
    Large-scale environments of z < 0.4 active galaxies
    Context. Properties of galaxies depend on their large-scale environment. As the influence of active galactic nuclei (AGN) in galaxy evolution is becoming more...
  • Publication
    Long-term multiwavelength monitoring and reverberation mapping of NGC 2617 during a changing-look event
    We present the results of photometric and spectroscopic monitoring campaigns of the changing look AGN NGC 2617 carried out from 2016 until 2022 and covering the...
  • Publication
    Long-term optical spectral monitoring of a changing-look active galactic nucleus NGC 3516. II. Broad-line profile variability
    Context. We analyze the broad Hβ line profile variability of a "changing look" active galactic nucleus (CL-AGN) NGC 3516 over an extensive period of 25 years...