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American Astronomical Society, Astrophysical Journal, 2(671), p. L145-L148, 2007

DOI: 10.1086/525041

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Pulsar Model of the High-Energy Phenomenology of LS 5039

Journal article published in 2007 by Agnieszka Sierpowska-Bartosik, Diego F. Torres ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Under the assumption that LS 5039 is a system composed by a pulsar rotating around an O6.5V star in a $∼ 3.9$ day orbit, we present the results of a theoretical modeling of the high energy phenomenology observed by the High Energy Stereoscopy Array (H.E.S.S.). This model (including detailed account of the system geometry, Klein-Nishina inverse Compton, $γ$-$γ$ absorption, and cascading) is able to describe well the rich observed phenomenology found in the system at all timescales, both flux and spectrum-wise. Comment: Figures and results are unchanged. Some new text and new references