The new source HESS J1641-463 emerging near HESS J1640-465
October 2012 Radio image of the vicinity of the gamma ray source HESS J1640-456, with the two remnants G338.3-0.0 and G338.5+0.1. 843 MHz image from the Sydney University Molonglo Sky Survey. With increasing exposure…
10th Anniversary: The H.E.S.S. gamma ray sky
September 2012 TeVCat sky map of H.E.S.S.-discovered gamma ray sources, as of late August 2012. The colors indicates the likely nature of sources: Supernova remnants (green), pulsar wind nebulae (violet), binaries (yellow), star cluster/star…
The currently most distant source of very high energy gamma rays
August 2012 Optical finding chart for KUV 00311-1938, aka SHBL J003334.2-192133 aka 1RXS J003334.6-192130, from Piranomonte et al. 2007. Shown are the X-ray (large) and radio (small) error circles. Distant Active Galactic Nuclei are…
High and very high energy gamma-rays from the blazar SHBL J001355.9-185406
July 2012 H.E.S.S. gamma-ray image of SHBL J001355.9-185406. Preliminary. Active galactic nuclei (AGN) are among the most powerful gamma-ray emitters in the observed Universe, and constitute a large fraction of objects seen either by…
Discovery of very high energy gamma rays from the quasar PKS 1510-089
June 2012 5 GHz VLA radio image of the blazar PKS 1510-089 with its jet (O’Dea et al. 1988, Sambruna et al. 2004) Blazars are a composite class, consisting of BL Lacertae type objects…
Emission from the region of SNR G22.7-0.2
May 2012 VLA radio image of the region of the supernova remnants G23.3-0.3 (left) – also known as W41, see SOM June 2006 – and G22.7-0.2, center. Source: MAGPIS – The Multi-Array Galactic Plane…
A mysterious gamma ray signal
April 2012 Can a yellow main sequence star with a distant companion star produce gamma rays? Credit: ESO/L. Calcada In April 2011, the H.E.S.S. telescopes targeted the object 1RXS J142209.1-174546 as a potential source…
The Active Galactic Nucleus 1RXS J101015.9−311909
March 2012 Image of the host galaxy of the X-ray source 1RXS J101015.9−311909, from the 2MASS sky survey (Jarrett et al. 2000). Active galactic nuclei (AGN) with high X-ray and radio emission represent promising…
An extended source of TeV gamma rays towards the magnetar SGR1806-20
February 2012 The location of the magnetar SGR 1806-20 in the constellation Sagittarius, at a distance of about 10 kpc (with large uncertainty). From Wikipedia. SGR 1806-20 is a magnetar, a neutron star with…
The “serendipitous” discovery of the blazar 1ES 1312−423
January 2012 Verv high energy gamma ray sources discovered by H.E.S.S., as shown by TeVCat. The yellow circle indicates the two nearby active galactic nuclei Centaurus A and 1ES 1312−423, the colored area shows…
