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Optical spectroscopy of PSR B1259-63/LS 2883 during the 2014 periastron passage with the Southern African Large Telescope
B. van Soelen, P. Väisänen, A. Odendaal +3
The gamma-ray binary system PSR B1259-63/LS 2883 went through periastron in May 2014. We report on the optical spectroscopic monitoring of the system from 33 d before to 78 d after…
H.E.S.S. discovery of very-high-energy gamma-ray emission of PKS 1440-389
H. Prokoph, Y. Becherini, M. Böttcher +3
Blazars are the most abundant class of known extragalactic very-high-energy (VHE, E>100 GeV) gamma-ray sources. However, one of the biggest difficulties in investigating their VHE…
H.E.S.S. observations of PSR B1259-63 during its 2014 periastron passage
C. Romoli, P. Bordas, C. Mariaud +8
An extended observation campaign of the gamma-ray binary system PSR B125963 has been conducted with the H.E.S.S. (High Energy Stereoscopic System) II 5-telescope array during th…
Role of the disk environment in the gamma-ray emission from the binary system PSR B1259-63/LS 2883
Iurii Sushch, Markus Böttcher
PSR B1259-63/LS 2883 is a very high energy (VHE; E > 100 GeV) gamma-ray emitting binary consisting of a 48 ms pulsar orbiting around a Be star with a period of 3.4 years. The Be st…
Radio Observations of the Pulsar Wind Nebula HESS J1303-631 Field of View with ATCA
Iurii Sushch, Igor Oya, Ullrich Schwanke +2
Based on its energy-dependent morphology the initially unidentified very high energy (VHE; E>100 GeV) gamma-ray source HESS J1303-631 was recently associated with the pulsar PSR J1…
Discovery of variable VHE gamma-ray emission from the binary system 1FGL J1018.6-5856
H. E. S. S. Collaboration, :, A. Abramowski +230
Re-observations with the H.E.S.S. telescope array of the very-high-energy (VHE) source HESS J1018-589 A coincident with the Fermi-LAT -ray binary 1FGL J1018.6-5856 have resulted…