Astrofísicas: Blázares

  • Publicación
    Analysis of spectropolarimetric observations of OJ 287.
    During the OJ-94 campaign the authors got spectropolarimetric observations of OJ 287. Although the polarization was very low (
  • Publicación
    Are the extended narrow line regions in AGN photoionized by the emission from thick accretion disks?
    We study the photoionization of the Extended Narrow Line Region (ENLR) using three anisotropic radiation fields: (1) a geometrically thick accretion disk; (2) a...
  • Publicación
    Catalog of Long-term Transient Sources in the First 10 yr of Fermi-LAT Data
    We present the first Fermi Large Area Telescope (LAT) catalog of long-term γ-ray transient sources (1FLT). This comprises sources that were detected on monthly...
  • Publicación
    Confirmation of the 12-year optical outburst cycle in blazar OJ 287.
    A large monitoring project, OJ-94, was set up with the aim of monitoring the blazar OJ 287 during the predicted optical outburst (in fall 1994, Sillanpaa et al...
  • 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
    Double-peak structure in the cyclic optical outbursts of blazar OJ 287.
    An international monitoring project, called OJ-94, was set up with the aim of monitoring blazar OJ 287 during the predicted optical outburst (in fall 1994...
  • Noticia
    El Gran Telescopio Canarias encuentra el agujero negro más lejano perteneciente a una rara familia de galaxias
    Un equipo internacional de astrónomos ha identificado una rara clase de galaxias que emiten rayos gamma, conocidas como BL Lacertae, dentro de los primeros 2...
  • Publicación
    Intermediate-resolution spectropolarimetry of a small sample of quasars
    We present spectropolarimetric observations of a sample of three quasars selected because of their very different broad-band polarization properties. All of the...
  • Publicación
    Investigating the Blazar TXS 0506+056 through Sharp Multiwavelength Eyes During 2017-2019
    The blazar TXS 0506+056 got into the spotlight of the astrophysical community in 2017 September, when a high-energy neutrino detected by IceCube (IceCube...