Astrophysical: Gamma rays

  • Publication
    Very High Energy Observations of PSR B1951+32
    PSR B1951+32 is a gamma -ray pulsar detected by the Energetic Gamma Ray Experiment Telescope (EGRET) and identified with the 39.5 ms radio pulsar in the...
  • Publication
    Very High Energy γ-Rays from the Universe's Middle Age: Detection of the z = 0.940 Blazar PKS 1441+25 with MAGIC
    The flat-spectrum radio quasar PKS 1441+25 at a redshift of z = 0.940 is detected between 40 and 250 GeV with a significance of 25.5σ using the MAGIC telescopes...
  • Publication
    Very high-energy γ-ray observations of novae and dwarf novae with the MAGIC telescopes
    Context. In the last five years the Fermi Large Area Telescope (LAT) instrument detected GeV γ-ray emission from five novae. The GeV emission can be interpreted...
  • Publication
    Very-high-energy gamma-ray observations of the Type Ia Supernova SN 2014J with the MAGIC telescopes
    Context. In this work we present data from observations with the MAGIC telescopes of SN 2014J detected on January 21 2014, the closest Type Ia supernova since...
  • Publication
    VHE gamma-ray detection of FSRQ QSO B1420+326 and modeling of its enhanced broadband state in 2020
    Context. QSO B1420+326 is a blazar classified as a flat-spectrum radio quasar (FSRQ). At the beginning of the year 2020, it was found to be in an enhanced flux...
  • Publication
    VHE γ-Ray Observation of the Crab Nebula and its Pulsar with the MAGIC Telescope
    We report about very high energy (VHE) γ-ray observations of the Crab Nebula with the MAGIC telescope. The γ-ray flux from the nebula was measured between 60...
  • Publication
    What Is the Redshift of the Gamma-ray BL Lac Source S4 0954+65?
    High signal-to-noise ratio spectroscopic observations of the BL Lac object S4 0954+65 at the alleged redshift z = 0.367 are presented. This source was detected...
  • Publication
    X-ray Emissions from Jupiter as Observed with XMM-Newton
    We present two XMM-Newton observations of Jupiter, which were carried out in April and November 2003 for 110 and 250 ks (or 3 and 7 planet rotations)...
  • Publication
    X-ray flashes or soft gamma-ray bursts?. The case of the likely distant XRF 040912
    Context: The origin of X-ray Flashes (XRFs) is still a mystery and several models have been proposed. To disentangle among these models, an important...