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Blog Archives

July 1, 2010 by H.E.S.S. Collaboration

First detection of VHE gamma-rays from SN 1006 by H.E.S.S

July 1, 2010 by H.E.S.S. Collaboration

Multi-wavelength observations of H 2356-309

July 1, 2010 by H.E.S.S. Collaboration

PKS 2005-489 at VHE: Four Years of Monitoring with HESS and Simultaneous Multi-wavelength Observations

VHE observations of PKS 2005-489 were made with HESS from 2004 through 2007, together with three simultaneous multi-wavelength campaigns performed with XMM-Newton and RXTE in 2004 and 2005. A strong VHE signal, ~17sigma total,…

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July 1, 2010 by H.E.S.S. Collaboration

Localizing the VHE gamma-ray source at the Galactic Centre

The inner 10 pc of our galaxy contains many counterpart candidates of the very high energy (VHE; > 100 GeV) gamma-ray point source HESS J1745-290. Within the point spread function of the H.E.S.S. measurement,…

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July 1, 2009 by H.E.S.S. Collaboration

A search for a dark matter annihilation signal towards the Canis Major overdensity with H.E.S.S

A search for a dark matter (DM) annihilation signal into $\gamma$-rays toward the direction of the Canis Major (CMa) overdensity is presented. The nature of CMa is still controversial and one scenario represents it…

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July 1, 2009 by H.E.S.S. Collaboration

Probing the ATIC peak in the cosmic-ray electron spectrum with H.E.S.S

The measurement of an excess in the cosmic-ray electron spectrum between 300 and 800 GeV by the ATIC experiment has – together with the PAMELA detection of a rise in the positron fraction up…

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July 1, 2009 by H.E.S.S. Collaboration

H.E.S.S. observations of the prompt and afterglow phases of GRB 060602B

We report on the first completely simultaneous observation of a gamma-ray burst (GRB) using an array of Imaging Atmospheric Cherenkov Telescopes which is sensitive to photons in the very-high-energy (VHE) gamma-ray range (>~100 GeV).…

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July 1, 2009 by H.E.S.S. Collaboration

HESS upper limits on very high energy gamma-ray emission from the microquasar GRS 1915+105

July 1, 2009 by H.E.S.S. Collaboration

Very high energy gamma-ray observations of the binary PSR B1259-63/SS2883 around the 2007 Periastron

July 1, 2009 by H.E.S.S. Collaboration

Detection of Gamma Rays from a Starburst Galaxy

Starburst galaxies exhibit in their central regions a highly increased rate of supernovae, the remnants of which are thought to accelerate energetic cosmic rays up to energies of ~ 10^15 eV. We report the…

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Recent sources

The Vela Pulsar – the most Highly Energetic ClockNovember 1, 2023
HESS J1645−455 – A gem on the ring?October 1, 2023
The identity crisis of the blazar PKS 1510-089August 1, 2023
Cosmic Conspiracy Theories: Neutrinos and Gamma Rays from PKS 0735+178?July 1, 2023
Flares in the atmosphereJune 1, 2023

Fields

Atmosphere black holes Blazar Galactic Center galactic plane galactic source gamma-rays neutrinos pulsar

Contact

You can contact us for scientific queries and general informations using :
hess-ec@lsw.uni-heidelberg.de

Sources of the month

The Vela Pulsar – the most Highly Energetic ClockNovember 1, 2023
HESS J1645−455 – A gem on the ring?October 1, 2023
The identity crisis of the blazar PKS 1510-089August 1, 2023
H.E.S.S. collaboration official website. Proudly Built By H.E.S.S. members.
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Last sources of the month

The Vela Pulsar – the most Highly Energetic ClockNovember 1, 2023
HESS J1645−455 – A gem on the ring?October 1, 2023
The identity crisis of the blazar PKS 1510-089August 1, 2023

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