Astrofísicas: Blázares

  • 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...
  • Publicación
    Multiband Optical Variability of the Blazar 3C 454.3 on Diverse Timescales
    Due to its peculiar and highly variable nature, the blazar 3C 454.3 has been extensively monitored by the WEBT team. Here, we present for the first time these...
  • Publicación
    Multimessenger Characterization of Markarian 501 during Historically Low X-Ray and γ-Ray Activity
    We study the broadband emission of Mrk 501 using multiwavelength observations from 2017 to 2020 performed with a multitude of instruments, involving, among...
  • Publicación
    Multiwavelength Observations of the Blazar VER J0521+211 during an Elevated TeV Gamma-Ray State
    We report on a long-lasting, elevated gamma-ray flux state from VER J0521+211 observed by VERITAS, MAGIC, and Fermi-LAT in 2013 and 2014. The peak integral flux...
  • Publicación
    Near infrared monitoring of a sample of blazars with the Carlos Sanchez Telescope.
    Results of a program of near-IR monitoring of a sample of blazars and miniblazars observed during 1990 and 1991 with the Carlos Sanchez Telescope, in Teide...
  • Publicación
    Optical jets in blazars and radio galaxies.
    The authors have used HST/WFPC2 to observe the optical jet of the two extragalactic radio sources PKS 0521-365 (z = 0.055) and 3C 371 (z = 0.050). For PKS 0521...
  • Publicación
    Optical photometry and polarimetry and infrared photometry of 3C 345 in outburst
    We present V-band CCD photometry, UBVRI photopolarimetry, and near simultaneous JHK photometry of 3C 345 during a renewed outburst in spring of 1992, which...
  • Publicación
    Optical spectrophotometry of blazars
    We present optical spectrophotometric observations for 50 blazars obtained in 13 different campaigns over a 7 year period. The spectral flux distribution is...
  • Publicación
    Recent outburst in Markarian 421.
    The authors present preliminary results of optical and infrared observations of Mk 421, during an outburst. Some of these observations are simultaneous in both...