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Blog Archives

July 1, 2003 by H.E.S.S. Collaboration

The optical system of the H.E.S.S. imaging atmospheric Cherenkov telescopes, Part II: mirror alignment and point spread function

Mirror facets of the H.E.S.S. imaging atmospheric Cherenkov telescopes are aligned using stars imaged onto the closed lid of the PMT camera, viewed by a CCD camera. The alignment procedure works reliably and includes…

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July 1, 2003 by H.E.S.S. Collaboration

The optical system of the H.E.S.S. imaging atmospheric Cherenkov telescopes, Part I: layout and components of the system

H.E.S.S. — the High Energy Stereoscopic System — is a new system of large imaging atmospheric Cherenkov telescopes, with about 100 m^2 mirror area for each of four telescopes, and photomultiplier cameras with a…

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July 1, 2000 by H.E.S.S. Collaboration

Photodetectors for HESS

July 1, 1999 by H.E.S.S. Collaboration

On design studies for future 50 GeV arrays of imaging air Cherenkov telescopes

Arrays of imaging air Cherenkov telescopes (IACTs) like VERITAS, HESS have been recently proposed as the instruments of the next generation for ground based very high energy gamma-ray astronomy invading into 50-100 GeV energy…

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July 1, 1997 by H.E.S.S. Collaboration

The potential of ground based arrays of imaging atmospheric Cherenkov telescopes: II. Gamma ray flux sensitivities

July 1, 1997 by H.E.S.S. Collaboration

The potential of ground based arrays of imaging atmospheric Cherenkov telescopes: I. Determination of shower parameters

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Recent sources

Hunting dark matter in the Milky Way: constraints on spectral line features and the thermal HiggsinoAugust 1, 2026
Probing the Galactic Centre Source HESS J1745–290 through long-term monitoring of its gamma-ray fluxJune 1, 2026
Cataloguing the high-energy Universe: the H.E.S.S. Extragalactic Sky SurveyMay 1, 2026
A H.E.S.S. Retrospective on Gamma-Ray BurstsApril 1, 2026
Hidden by the Shell – A Pulsar Wind Nebula Emerges in Vela JuniorMarch 1, 2026

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Atmosphere black holes Blazar Catalogue Cosmic rays Dark matter Event Extragalactic Galactic Center galactic plane galactic source Gamma-ray binary Gamma-ray burst gamma-rays Meeting microquasar neutrinos Nova publication pulsar pulsar wind nebula

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Last sources of the month

Hunting dark matter in the Milky Way: constraints on spectral line features and the thermal HiggsinoAugust 1, 2026
Probing the Galactic Centre Source HESS J1745–290 through long-term monitoring of its gamma-ray fluxJune 1, 2026
Cataloguing the high-energy Universe: the H.E.S.S. Extragalactic Sky SurveyMay 1, 2026

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