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…
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…
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…
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…
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…
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…
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…
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…
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…
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…