Astrophysical: BL Lacertae objects

  • Publication
    HST Observations of Host Galaxies in Three Radio-selected BL Lacertae Objects
    We present high-resolution images of three BL Lac objects (0814+425, 1823+568, 2254+074) taken with the WFPC-2 camera on Hubble Space Telescope (HST) as part of...
  • Publication
    Hubble Space Telescope Observations of the Host Galaxies of BL Lacertae Objects
    Six BL Lac objects from the complete 1 Jy radio-selected sample of 34 objects were observed in cycle 5 with the Hubble Space Telescope (HST) Wide-Field...
  • Publication
    Hubble Space Telescope Observations of the Optical Jets of PKS 0521-365, 3C 371, and PKS 2201+044
    Hubble Space Telescope (HST) observations have led to the discovery of the optical counterpart of the radio jet of PKS 2201+044 and to a detailed analysis of...
  • Publication
    Infranight infrared spectral variability in OJ 287
    We present results from five nights of pseudo-simulations JHK infrared monitoring of the blazar OJ 287 taken with the Carlos Sanchez Telescope during March 1991...
  • Publication
    Infrared astronomy
    The physics of infrared emission processes is examined, taking into account black body radiation, radiation from dust particles, thermal plasma emission...
  • Publication
    Infrared properties of blazars: putting the GASP-WEBT sources into context
    The infrared properties of blazars can be studied from the statistical point of view with the help of sky surveys, like that provided by the Wide-field Infrared...
  • Publication
    Insights into the broadband emission of the TeV blazar Mrk 501 during the first X-ray polarization measurements
    Aims: We present the first multiwavelength study of Mrk 501 that contains simultaneous very-high-energy (VHE) γ-ray observations and X-ray polarization...
  • Publication
    Insights into the emission of the blazar 1ES 1011+496 through unprecedented broadband observations during 2011 and 2012
    Context. 1ES 1011+496 (z = 0.212) was discovered in very high-energy (VHE, E> 100 GeV) γ rays with MAGIC in 2007. The absence of simultaneous data at lower...
  • Publication
    Insights into the High-energy γ-ray Emission of Markarian 501 from Extensive Multifrequency Observations in the Fermi Era
    We report on the γ-ray activity of the blazar Mrk 501 during the first 480 days of Fermi operation. We find that the average Large Area Telescope (LAT) γ-ray...