Astrophysical: High energy astrophysics

  • Installation
    Large-Sized Telescopes
    On 15 October 2026, the CTAO’s LST Collaboration will celebrate the start of operations for the subset of the four Large-Sized Telescopes (LSTs) that will...
  • Publication
    LensWatch. II. Improved Photometry and Time-delay Constraints on the Strongly Lensed Type Ia Supernova 2022qmx ("SN Zwicky") with Hubble Space Telescope Template Observations
    Strongly lensed supernovae (SNe) are a rare class of transient that can offer tight cosmological constraints that are complementary to methods from other...
  • News
    MAGIC telescopes detect the first gamma-rays burst at very high energies
    This ground-breaking achievement by MAGIC provides critical new insight for understanding the physical processes at work in the most powerful cosmic explosions...
  • Publication
    Multiwavelength Observations of the Blazar VER J0521+211 during an Elevated TeV Gamma-Ray State
    We report on a long-lasting, elevated gamma-ray flux state from VER J0521+211 observed by VERITAS, MAGIC, and Fermi-LAT in 2013 and 2014. The peak integral flux...
  • Publication
    Optical performances of the FM JEM-X masks
    The JEM-X Signal Multiplexing Systems are large HURA codes "written" in a pure tungsten plate 0.5 mm thick. 24.247 hexagonal pixels (25% open) are spread over a...
  • Publication
    Prompt Searches for Very-high-energy γ-Ray Counterparts to IceCube Astrophysical Neutrino Alerts
    The search for sources of high-energy astrophysical neutrinos can be significantly advanced through a multimessenger approach, which seeks to detect the γ-rays...
  • News
    Takaaki Kajita: “The detection of gamma-rays with the CTA will be the key to discovering new sources of neutrino emission”
    The Japanese physicist Takaaki Kajita is one of the leading world experts in neutrino physics. These particles have a very tiny mass, and they hardly interact...
  • Publication
    The Kangaroo's First Hop: The Early Fast Cooling Phase of EP250108a/SN 2025kg
    Fast X-ray transients are a rare and poorly understood population of events. Previously difficult to detect in real time, the launch of the Einstein Probe with...
  • News
    The LST-1 telescope on La Palma detects the Crab Pulsar at very high-energy
    The first prototype of the Large-Size Telescope (LST) of the Cherenkov Telescope Array (CTA), the LST-1, located at the Roque de los Muchachos Observatory...