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Category Archives: Source of the Month

July 1, 2017 by H.E.S.S. Collaboration
Source of the Month

3C 279 – The Monster is seen again and it is devious

July 2017 Fig 1: Unified model of Active Galactic Nuclei (image credit: NASA). Almost every galaxy in the Universe harbors in its center a supermassive black hole with a mass of millions to billions…

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June 1, 2017 by H.E.S.S. Collaboration
Source of the Month

A Deeper Look into the Supernova Remnant Vela Junior

June 2017 Fig 1: Skymap of the Vela constellation showing the Galactic plane (dashed line), the H.E.S.S. skymap of the Vela Junior region, the size of the H.E.S.S. field of view (5° in diameter…

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May 1, 2017 by H.E.S.S. Collaboration
Source of the Month

HESS J1912+101: A new TeV supernova remnant candidate without any counterpart (yet)

May 2017 Fig 1: TeV surface brightness map of HESS J1912+101 derived with H.E.S.S. [1]. The inset on the bottom left denotes the point spread function of the TeV map. The source displays a…

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April 1, 2017 by H.E.S.S. Collaboration
Source of the Month

Serendipitous discovery of likely alien distress call: an SOS signal from the direction of TRAPPIST-1

April 2017 Fig 1: A map showing the significance of the emission in the sky region around the quasar PKS 2303-052 (marked by the green cross). Significant gamma-ray emission at the level of 10…

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March 1, 2017 by H.E.S.S. Collaboration
Source of the Month

New eyes for the H.E.S.S. I cameras

March 2017 Ten years of dust and duty have not gone unnoticed for the sensitive cameras on each of the four 12-meter telescopes that comprised the original H.E.S.S. I array. During this time, there…

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February 1, 2017 by H.E.S.S. Collaboration
Source of the Month

HESS J1534-571: A new TeV supernova remnant shell discovered with H.E.S.S.

February 2017 Fig 1: TeV surface brightness map of HESS J1534-571 derived with H.E.S.S. The green ellipse denotes the extension of the radio SNR candidate counterpart G323.7-1.0. The inset on the bottom left denotes…

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January 1, 2017 by H.E.S.S. Collaboration
Source of the Month

H.E.S.S. observations of blazars within a new energy range

January 2017 The H.E.S.S. II array of imaging atmospheric Cherenkov telescopes. In 2012, the H.E.S.S. array initially consisting of four 12 m telescopes was upgraded to include an additional giant 28 m telescope at…

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December 1, 2016 by H.E.S.S. Collaboration
Source of the Month

In a silent way: extreme particle acceleration in HESS J1741-302 without low-energy footprints

December 2016 Spitzer 8 μm view of the sky region surrounding the dark accelerator HESS J1741-302. The white circle indicates the source region. Credit: NASA/JPL-Caltech/GLIMPSE Team, Aladin Lite. 25 years ago, when the discovery…

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November 1, 2016 by H.E.S.S. Collaboration
Source of the Month

Final chapter of the 130 GeV line-like signal story

November 2016 Indirect evidence for the presence of dark matter in galaxies: rotation velocity of the stars in the galaxy NGC6503 as a function of distance to the centre (data points). To explain the…

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October 1, 2016 by H.E.S.S. Collaboration
Source of the Month

PKS 2155-304 – a Beethoven among blazars

October 2016 PKS 2155-304 is a famous object (already 3 SoM publications, did you miss them?) in the very high energy (VHE) and extragalactic domains. This popularity is well deserved since it is one…

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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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