AI Insight
The LST-1 and MAGIC telescope collaborations have detected very-high-energy gamma rays from OP 313, setting a new distance record for observed blazars in this energy range. The observations were conducted at the Roque de los Muchachos Observatory in La Palma, Spain, using the prototype Large-Sized Telescope and MAGIC telescopes. This detection pushes the boundaries of how far into the universe scientists can observe extremely energetic cosmic phenomena.
Why it matters
This achievement demonstrates the capability of current gamma-ray telescopes to probe more distant regions of the universe, allowing scientists to study the most energetic processes in extremely remote blazars. The successful observations with LST-1 validate the telescope design for the upcoming Cherenkov Telescope Array Observatory (CTAO), which will further expand humanity's ability to study high-energy astrophysical phenomena.
Understand the Science
On Aug. 15, the CTAO LST Collaboration and the MAGIC Collaboration released findings from observations of OP 313, the most distant very-high-energy blazar ever recorded. The paper, published in Astronomy & Astrophysics, presents in-depth observations conducted with the prototype Large-Sized Telescope (LST-1) and the MAGIC telescopes at the Roque de los Muchachos Observatory in La Palma, Spain.
Source: LST-1 and MAGIC telescopes shatter distance record for the very high-energy blazar OP 313