Astrofísicas: Objetos BL Lacertae

  • Publicación
    The relation between optical and γ-ray emission in BL Lac sources
    The relativistic jets produced by some Active Galactic Nuclei (AGNs) are among the most efficient persistent sources of non-thermal radiation and represent an...
  • Publicación
    The simultaneous low state spectral energy distribution of 1ES 2344+514 from radio to very high energies
    Context. BL Lacertae objects are variable at all energy bands on time scales down to minutes. To construct and interpret their spectral energy distribution (SED...
  • Publicación
    The spectra of IceCube Neutrino (SIN) candidate sources - III. Optical spectroscopy and source characterization of the full sample
    A correlation between astrophysical high-energy neutrinos and blazars has been suggested by various authors. In particular, a likely association between IceCube...
  • Publicación
    The spectra of IceCube neutrino candidate sources - I. Optical spectroscopy of blazars
    There is mounting evidence that ultra-energetic neutrinos of astrophysical origin may be associated with blazars. Here, we investigate a unique sample of 47...
  • Publicación
    The UV - optical - near-IR emission of BL Lacertae objects.
    Results from UV, optical and near-IR simultaneous observations for 11 BL Lac objects are reported. The authors find that for all but one source the spectral...
  • Publicación
    The variability patterns of the TeV blazar PG 1553 + 113 from a decade of MAGIC and multiband observations
    PG 1553 + 113 is one of the few blazars with a convincing quasi-periodic emission in the gamma-ray band. The source is also a very high energy (VHE; >100 GeV)...
  • Publicación
    The variability patterns of the TeV blazar PG 1553 + 113 from a decade of MAGIC and multiband observations
    PG 1553 + 113 is one of the few blazars with a convincing quasi-periodic emission in the gamma-ray band. The source is also a very high energy (VHE; >100 GeV)...
  • Publicación
    The WEBT BL Lacertae Campaign 2000
    We present UBVRI light curves of BL Lacertae from May 2000 to January 2001, obtained by 24 telescopes in 11 countries. More than 15 000 observations were...
  • Publicación
    The WEBT BL Lacertae Campaign 2001 and its extension. Optical light curves and colour analysis 1994-2002
    BL Lacertae has been the target of four observing campaigns by the Whole Earth Blazar Telescope (WEBT) collaboration. In this paper we present UBVRI light...