Astrofísicas: Rayos gamma

  • Publicación
    Optical Follow-Up of GRB 970508
    We report on the results of optical follow-up observations of the counterpart of the gamma-ray burst GRB 970508, starting 7 hr after the event. Multicolor U-, B...
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    Optical Spectroscopic Survey of a Sample of Unidentified Fermi Objects
    We present optical spectroscopy secured at the 10 m Gran Telescopio Canarias of the counterparts of 20 extragalactic γ-ray sources detected by the Fermi...
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    Optical Spectroscopic Survey of a Sample of Unidentified Fermi Objects: II
    We report on optical spectroscopy obtained at the 10.4 m Gran Telescopio Canarias of 28 Fermi γ-ray sources that completes the study of a sample of 60 targets...
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    Optical spectroscopy of blazars for the Cherenkov Telescope Array
    Context. Blazars are the most numerous class of high-energy (HE; E ∼ 50 MeV−100 GeV) and very high-energy (VHE; E ∼ 100 GeV−10 TeV) gamma-ray emitters...
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    Optical spectroscopy of blazars for the Cherenkov Telescope Array - III
    Context. Blazars, which include BL Lacs and flat-spectrum radio quasars, represent the brightest persistent extragalactic sources in the high-energy (HE; 10 MeV...
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    Overview of an extensive multi-wavelength study of GX 339-4 during the 2010 outburst
    Context. The microquasar GX 339-4 experienced a new outburst in 2010: it was observed simultaneously at various wavelengths from radio up to soft γ-rays. We...
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    Overview of an extensive multi-wavelength study of GX 339-4 during the 2010 outburst (Corrigendum)
    Not Available
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    Performance of the joint LST-1 and MAGIC observations evaluated with Crab Nebula data
    Aims: Large-Sized Telescope 1 (LST-1), the prototype for the Large-Sized Telescope at the upcoming Cherenkov Telescope Array Observatory, is concluding its...
  • Publicación
    Periastron Observations of TeV Gamma-Ray Emission from a Binary System with a 50-year Period
    We report on observations of the pulsar/Be star binary system PSR J2032+4127/MT91 213 in the energy range between 100 {GeV} and 20 {TeV} with the Very Energetic...