Astrofísicas: Objetos BL Lacertae

  • Publicación
    Clustering environment of BL Lacertae object RGB 1745+398
    Aims: The BL Lac object RGB 1745+398 lies in an environment that makes it possible to study the cluster around it more deeply than the environments of other BL...
  • Publicación
    Constraints on redshifts of blazars from extragalactic background light attenuation using Fermi-LAT data
    The extragalactic high-energy γ-ray sky is dominated by blazars, which are active galactic nuclei with their jets pointing towards us. Distance measurements are...
  • Publicación
    Coordinated Multiwavelength Observation of 3C 66A during the WEBT Campaign of 2003-2004
    The BL Lac object 3C 66A was the target of an extensive multiwavelength monitoring campaign from 2003 July through 2004 April (with a core campaign from 2003...
  • Publicación
    Coordinated visible and infrared monitoring of rapid variations of Markarian 501 - First results with FOVIA
    The paper presents simultaneous monitoring of the BL Lacertae object Markarian 501 obtained in the visible and near infrared using a double photometer system on...
  • Publicación
    Correction to: The relation between optical and γ-ray emission in BL lac sources
  • Noticia
    Descubren rápidas oscilaciones en la luz de un blazar
    La colaboración internacional Whole Earth Blazar Telescope (WEBT), en la que participa personal investigador del Instituto de Astrofísica de Canarias (IAC), ha...
  • Publicación
    Detection of an intranight optical hard lag with colour variability in blazar PKS 0735+178
    Blazars are a highly variable subclass of active galactic nuclei that have been observed to vary significantly during a single night. This intranight...
  • Publicación
    Detection of the blazar S4 0954+65 at very-high-energy with the MAGIC telescopes during an exceptionally high optical state
    Aims: The very high energy (VHE ≳100 GeV) γ-ray MAGIC observations of the blazar S4 0954+65, were triggered by an exceptionally high flux state of emission in...
  • Publicación
    Detection of Very High Energy Radiation from the BL Lacertae Object PG 1553+113 with the MAGIC Telescope
    In 2005 and 2006, the MAGIC telescope observed very high energy gamma-ray emission from the distant BL Lac object PG 1553+113. The overall significance of the...