The H.E.S.S. Collaboration African Giant Southern Gamma-ray observatory H.E.S.S. collaboration

since 2002

23 years of service and more to offer

an international collaboration to seek high energy borders of astrophysics

Gamma-ray telescopes
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H.E.S.S. Source of the Month

Each month a TeV gamma ray source investigated with the H.E.S.S. telescopes is featured. See also the pages on Astrophysics with H.E.S.S.: The Nonthermal Universe with an overview of the physics and the source types.
Source of the Month

The Vela Pulsar – the most Highly Energetic Clock

Source of : November 2023 Pulsars, progeny of supernova explosions, are among the most fascinating beasts in the cosmic zoo. They are rapidly rotating objects exhibiting magnetic field intensities many orders of magnitude larger than what we can achieve on Earth (e.g., at CERN) and matter densities that defy imagination: a cubic centimetre of matter at the heart of such stars which are essentially made up of neutrons, therefore called neutron

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Check H.E.S.S. latest news and discoveries.

External proposals, Publications, Discussions, Press-releases and communications of the H.E.S.S. Collaboration can be found here.

General public and students

Get to know more on Gamma-ray astronomy and H.e.S.S.

Learn more on Gamma-Ray astronomy and IACTS, and H.E.S.S. history and technical aspects of the observatory.

Contact US.

The H.E.S.S. telescopes are located in the Khomas Highland of Namibia,on the Farm Goellschau, about 100 km south-west of Windhoek, Namibias capital.The exact location is 23o16’18” S, 16o30’00” E at 1800 m asl.