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https://hdl.handle.net/2440/64436
Type: | Conference paper |
Title: | H.E.S.S. observations of massive stellar clusters |
Author: | Ohm, S. Horns, D. Reimer, O. Hinton, J. Rowell, G. de Ona Wilhelmi, E. Fernandes, M. Acero, F. Marcowith, A. |
Citation: | Proceedings of High Energy Phenomena in Massive Stars, held in Jaén, Spain 2-5 Feb 2009, 2010 / J. Martí, P. Luque-Escamilla and J. Combi (eds.): pp.265-275 |
Publisher: | ASP |
Issue Date: | 2010 |
Series/Report no.: | ASP Conference Proceedings Series ; 422 |
ISBN: | 9781583817247 |
Conference Name: | High Energy Phenomena in Massive Stars Conference (2009 : Jaén, Spain) |
Statement of Responsibility: | Stefan Ohm, Dieter Horns, Olaf Reimer, Jim Hinton, Gavin Rowell, Emma de Ona Wilhelmi, Milton Virgilio Fernandes, Fabio Acero, and Alexandre Marcowith |
Abstract: | Stellar clusters are potential acceleration sites of very-high-energy (VHE, E> 100GeV) particles since they host supernova remnants (SNRs) and pulsar wind nebulae (PWNe). Additionally, in stellar clusters, particles can also be accelerated e.g. at the boundaries of wind-blown bubbles, in colliding wind zones in massive binary systems or in the framework of collective wind or wind/supernova(SN) ejecta scenarios. Motivated by the detection of VHE-ray emission towards Westerlund 2 and assuming similar particle acceleration mechanisms at work, Westerlund 1 is an even more promising target for VHE -ray observations given that massive star content and distance are more favourable for detectable VHE -ray emission compared to Westerlund 2. Here, H.E.S.S. observations of massive stellar clusters in general with special emphasis on the most massive stellar cluster in the galaxy, Westerlund 1 are summarized. |
Rights: | Copyright 2010 by Astronomical Society of the Pacific ASP Conference Series All rights reserved. |
Description (link): | http://www.aspbooks.org/a/volumes/article_details?paper_id=31109 |
Appears in Collections: | Aurora harvest 5 IPAS publications Physics publications |
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