Astrofísicas: Rayos gamma

  • Publicación
    The bright optical afterglow of the long GRB 001007
    We present optical follow up observations of the long GRB 001007 between 6.14 hours and ~468 days after the event. An unusually bright optical afterglow (OA)...
  • Publicación
    The Bright γ-ray Flare of 3C 279 in 2015 June: AGILE Detection and Multifrequency Follow-up Observations
    We report the AGILE detection and the results of the multifrequency follow-up observations of a bright γ-ray flare of the blazar 3C 279 in 2015 June. We use...
  • Publicación
    The Broadband Energy Distribution of the Misaligned Gamma-Ray Blazar PKS 0521-365
    Simultaneous UV and X-ray observations of the blazar PKS 0521-365 are combined with radio, IR, optical, and y-ray data taken at different epochs to study the...
  • Publicación
    The Cherenkov Telescope Array potential for the study of young supernova remnants
    Supernova remnants (SNRs) are among the most important targets for γ-ray observatories. Being prominent non-thermal sources, they are very likely responsible...
  • Publicación
    The dark nature of GRB 051022 and its host galaxy
    Aims:We present multiwavelength (X-ray/optical/near-infrared/millimetre) observations of GRB 051022 between 2.5 h and 1.15 yr after the event. It is the most...
  • Charla
    The Extragalactic Background Light: Connecting Classical and High Energy Astronomy
    The extragalactic background light (EBL) is the second most energetic diffuse background that fills our Universe. It is produced by star formation processes and...
  • Publicación
    The extraordinarily bright optical afterglow of GRB 991208 and its host galaxy
    Broad-band optical observations of the extraordinarily bright optical afterglow of the intense gamma-ray burst GRB 991208 started ~2.1 days after the event and...
  • Charla
    The Fermi GeV excess: status and perspectives
    In this presentation, I will review the history and literature debate about the anomalous gamma-ray emission detected towards the inner Galaxy by the Fermi-LAT...
  • Publicación
    The Gamma-Ray Bright BL Lacertae Object RX J1211+2242
    RX J1211+2242 is an optically faint (B~=19.2mag) but X-ray bright (f2-10keV=5×10-12ergscm-2s-1) active galactic nucleus (AGN) that has been shown to be a BL Lac...