Learn more about the H.E.S.S. telescopes
Find out how imaging atmospheric Cherenkov telescopes work and how they are used to study high-energy gamma rays from the Universe.
THE HIGH ENERGY STEREOSCOPIC SYSTEM
A facility to explore the high-energy frontiers of the Universe. Proudly based in Namibia.
Check us on social media
24 years of world-class science
and more to offer
Probing the Universe with high-energy gamma rays in the Southern Hemisphere.
Gamma-ray telescopes
people
+
institutes
+
Publications
+
H.E.S.S. News
We regularly publish news on our website – browse through the News Archive to find older News items!
Long-term H.E.S.S. Collaboration member Marianne Lemoine from the University of Bordeaux has been awarded a silver medal by the National Centre for Scientific Research (CNRS) in France. The laudatory text...
- /// Announcement
Last week, the 1st semester 2026 H.E.S.S. Collaboration Meeting took place 21–24 April in Zeuthen, near Berlin, Germany. With more than 70 registered in-person participants, the meeting was very well...
- /// Announcement
In a new publication, published in the Journal of High Energy Astrophysics, we explore a multi-wavelength outburst of the blazar PKS 0903-57 that was observed in 2020. Through the detailed...
- /// Announcement
H.E.S.S. Source of the Month
(Almost) every month a TeV gamma-ray source investigated with the H.E.S.S. telescopes is featured. Which one is your favourite?
See also the H.E.S.S. Science page for a general overview of the physics we do with H.E.S.S. and the types of sources we study.
Check Out the SCIENCE WE DO WITH H.E.S.S.
Dive into the scientific research we perform using the H.E.S.S. telescopes!
Discover the H.E.S.S. Site in Namibia
Get an impression of where the H.E.S.S. experiment is located and which facilities we have on the site.
Contact us
The H.E.S.S. telescopes are located in the Khomas Highland of Namibia, on the Farm Göllschau, about 100 km south-west of Windhoek, Namibia’s capital. The exact location is 23o16’18” S, 16o30’00” E, at 1800m above sea level.
