Astrophysical: Jets

  • Publication
    Optical spectral characterization of the TeV extreme blazar 2WHSP J073326.7+515354
    The emission from the relativistic jets in blazars usually outshines their host galaxies, challenging the determination of their distances and the...
  • Publication
    Optical variability of the blazar 3C 371: From minute to year timescales
    Context. The BL Lac object 3C 371 was observed by the Transiting Exoplanet Survey Satellite (TESS) for approximately a year, between July 2019 and July 2020...
  • Publication
    Particle acceleration in low-power hotspots: modelling the broad-band spectral energy distribution
    The acceleration and radiative processes active in low-power radio hotspots are investigated by means of new deep near-infrared (NIR) and optical Very Large...
  • Publication
    Polarimetric and spectroscopic optical observations of the ultra-compact X-ray binary 4U 0614+091
    Aims: We present a polarimetric and spectroscopic study of the persistent ultra-compact X-ray binary 4U 0614+091 aimed at searching for the emission of a...
  • Publication
    Polarimetry of the transient relativistic jet of GRB 110328/Swift J164449.3+573451
    We present deep infrared (Ks-band) imaging polarimetry and radio (1.4- and 4.8-GHz) polarimetry of the enigmatic transient Swift J164449.3+573451. This source...
  • Publication
    Powerful outflows in the central parsecs of the low-luminosity active galactic nucleus NGC 1386
    Low-luminosity active galactic nuclei, i.e. L_{bol}/Ledd ∼ 10-6-10-3, constitute the bulk population of active galactic nuclei (AGNs). Powerful jets, common in...
  • News
    Powerful warm winds discovered during a neutron star eruption
    An international team of astronomers, including researchers from the Instituto de Astrofísica de Canarias (IAC), has discovered blasts of hot, warm and cold...
  • Talk
    Probing gamma-ray production in relativistic jets of flat spectrum radio quasars
    The MAGIC telescopes discovered very high energy (VHE, E>100 GeV) gamma-ray emission coming from the distant Flat Spectrum Radio Quasar (FSRQ) PKS 1222+21 (4C...
  • Publication
    Probing Jet Launching in Neutron Star X-Ray Binaries: The Variable and Polarized Jet of SAX J1808.4-3658
    We report on an optical photometric and polarimetric campaign on the accreting millisecond X-ray pulsar (AMXP) SAX J1808.4-3658 during its 2019 outburst. The...