Discovery of two candidate pulsar wind nebulae in very-high-energy gamma rays
Discovery of two candidate pulsar wind nebulae in very-high-energy gamma rays
复制标题
在极高能伽马射线中发现两个候选脉冲星风星云
DOI:
--
复制
发表时间:
2007
期刊:
影响因子:
--
通讯作者:
E. al.
中科院分区:
文献类型:
--
作者:
H. C. Aharonian;E. al.
We present the discovery of two very-high-energy gamma-ray sources in an ongoing systematic search for emission above 100 GeV from pulsar wind nebulae in survey data from the H.E.S.S. telescope array. Imaging Atmospheric Cherenkov Telescopes are ideal tools for searching for extended emission from pulsar wind nebulae in the very-high-energy regime. H.E.S.S., with its large field of view of 5 degrees and high sensitivity, gives new prospects for the search for these objects. An ongoing systematic search for very-high-energy emission from energetic pulsars over the region of the Galactic plane between -60 degrees < l < 30 degrees, -2 degrees < b < 2 degrees is performed. For the resulting candidates, the standard H.E.S.S. analysis was applied and a search for multi-wavelength counterparts was performed. We present the discovery of two new candidate gamma-ray pulsar wind nebulae, HESS J1718-385 and HESS J1809-193. H.E.S.S. has proven to be a suitable instrument for pulsar wind nebula searches.