Author(s): Carrigan H. E. S. S Collaboration: S., Gallant Y., Hinton J. A., Komin Nukri, Kosack K., Stegmann C.
Conference: 30th International Cosmic Ray Conference (ICRC2007) (Mérida, Yucatán, MX, 2007-07-03)
Proceedings: Proceedings of the 30th International Cosmic Ray Conference, vol. 2 p.663-666 (2008)
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Abstract:
Motivated by recent detections of pulsar wind nebulae in very-high-energy(VHE) gamma rays, a systematic search for VHE gamma-ray sources associated withenergetic pulsars was performed, using data obtained with the H.E.S.S. (HighEnergy Stereoscopic System) instrument. The search for VHE gamma-ray sourcesnear the pulsar PSR J1718-3825 revealed the new VHE gamma-ray source HESSJ1718-385. We report on the results from the HESS data analysis of this sourceand on possible associations with the pulsar and at other wavelengths. Weinvestigate the energy spectrum of HESS J1718-385 that shows a clear peak. Thisis only the second time a VHE gamma-ray spectral maximum from a cosmic sourcewas observed, the first being the Vela X pulsar wind nebula.
Comments: Edited by Rogelio Caballero, Juan Carlos D'Olivo, Gustavo Medina-Tanco, Lukas Nellen, Federico A. Sánchez, José F. Valdés-Galicia. Universidad Nacional Autónoma de México, Mexico City, Mexico,