Ultra-high-energy (UHE,> 0.1 PeV) γ-ray astronomy is rapidly evolving into an expanding
branch of γ-ray astronomy with the surprising discovery of 12 PeVatrons and the detection of …

The Crab Nebula is a bright source of gamma rays powered by the Crab Pulsar's rotational
energy through the formation and termination of a relativistic electron-positron wind. We …

We present a new catalog of TeV gamma-ray sources using 1523 days of data from the High-
Altitude Water Cherenkov (HAWC) Observatory. The catalog represents the most sensitive …

Slightly more than 30 years ago, Whipple detection of the Crab Nebula was the start of Very
High Energy gamma-ray astronomy. Since then, gamma-ray observations of this source …

We report the discovery of an extended very-high-energy (VHE) gamma-ray source around
the location of the middle-aged (207.8 kyr) pulsar PSR J 0622+ 3749 with the Large High …

We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data
from the High Altitude Water Cherenkov Observatory, a wide field-of-view observatory …

A sub-array of the Large High Altitude Air Shower Observatory (LHAASO), KM2A is mainly
designed to observe a large fraction of the northern sky to hunt for γ-ray sources at energies …

Abstract The ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana) Project led by
the Italian National Institute for Astrophysics (INAF) is developing and will deploy at the …

Abstract The High-Altitude Water Cherenkov (HAWC) observatory is a second-generation
continuously operated, wide field-of-view, TeV gamma-ray observatory. The HAWC …

Because of the high energies and long distances to the sources, astrophysical observations
provide a unique opportunity to test possible signatures of Lorentz invariance violation (LIV) …