Pulsar Wind Nebula candidates recently discovered by HESS

被引：0

作者：

Renaud, M. ^{[1
]}

Hoppe, S. ^{[1
]}

Komin, N. ^{[2
]}

Moulin, E. ^{[2
]}

Marandon, V. ^{[3
]}

Clapson, A. -C. ^{[1
]}

机构：

[1] Max Planck Inst Kernphys, Postfach 103980, D-69029 Heidelberg, Germany

[2] CEA, DSM, IRFU, CE Saclay, F-91191 Gif Sur Yvette, France

[3] APU, UMR 7164, F-75205 Paris, France

来源：

HIGH ENERGY GAMMA-RAY ASTRONOMY | 2009年 / 1085卷

基金：

英国科学技术设施理事会; 新加坡国家研究基金会;

关键词：

Astronomical Observations: gamma-ray; Late stages of stellar evolution: Pulsars; X-RAY-EMISSION; SUPERNOVA-REMNANTS;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

H.E.S.S. is currently the most sensitive instrument in the very-high-energy (VHE; E > 100 GeV) gamma-ray domain and has revealed many new sources along the Galactic Plane, a significant fraction of which seems to be associated with energetic pulsars. HESS J1825-137 and Vela X are considered to be the prototypes of such sources, where the large VHE nebula results from the whole history of the pulsar wind and the supernova remnant host, both evolving in a complex interstellar medium. These nebulae have been shown to be offset from the pulsar position and, in the first case, a spectral steepening at increasing distance from the pulsar has been measured. In this context, we present the updated results on two previously published sources, namely HESS J1809-193 and HESS J1912+101, and the preliminary results on the newly discovered HESS J1356-645. These extended VHE sources are thought to be associated with the energetic pulsars PSR J1809-1917, PSR J1913+1011 and PSR J1357-6429, respectively. We shall discuss the properties of each source in the VHE regime, together with those measured in the radio and X-ray domains.

引用

页码：285 / +

页数：2

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