Astrophysical: Quasars

  • Publication
    Evolution of active galactic nuclei broad-line region clouds: low- and high-ionization lines
    The formation of quasar broad-line region (BLR) clouds via thermal instability in the presence of Alfvén heating has been discussed by Gonçalves, Jatenco...
  • Publication
    Examining supernova events in Type 1 active galactic nuclei
    A statistical study of intermediate Palomar Transient Factory supernovae (SNe) in Type 1 active galactic nuclei (AGNs) has shown a major deficit of supernovae...
  • Publication
    Exceptional outburst of the blazar CTA 102 in 2012: the GASP-WEBT campaign and its extension
    After several years of quiescence, the blazar CTA 102 underwent an exceptional outburst in 2012 September-October. The flare was tracked from γ-ray to near...
  • Publication
    Extinction curve template for intrinsically reddened quasars
    We analyzed the near-infrared to UV data of 16 quasars with redshifts ranging from 0.71
  • Publication
    Extreme star formation events in quasar hosts over 0.5 < z < 4
    We explore the relationship between active galactic nuclei (AGN) and star formation in a sample of 513 optically luminous type 1 quasars up to redshifts of ˜4...
  • News
    Fast and furious: detection of powerful winds driven by a supermassive black hole from La Palma
    This is the first publication based entirely on data obtained with EMIR, an instrument developed in the Instituto de Astrofísica de Canarias (IAC) which...
  • Publication
    Field-level Lyman-α forest modeling in redshift space via augmented nonlocal Fluctuating Gunn-Peterson Approximation
    Context. Devising fast and accurate methods of predicting the Lyman-α forest at the field level, avoiding the computational burden of running large-volume...
  • Publication
    First black hole mass estimation for the quadruple lensed system WGD2038-4008
    Context. The quadruple lensed system WGD2038-4008 (z s = 0.777 ± 0.001) has recently been discovered with the help of new techniques and observations. Black...
  • Publication
    First Direct Evidence for Keplerian Rotation in Quasar Inner Broad-line Regions
    We introduce a novel method to derive rotation curves with light-day spatial resolution of the inner regions of lensed quasars. We aim to probe the kinematics...