Gamma-ray emission from the X-ray binary LS 5039

Details Gamma-ray emission from the X-ray binary LS 5039 Gamma-ray emission from the X-ray binary LS 5039

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..861..608d&link_type=abstract

ALBERT EINSTEIN CENTURY INTERNATIONAL CONFERENCE. AIP Conference Proceedings, Volume 861, pp. 608-613 (2006).

Astronomy and Astrophysics

Astrophysics

X-Ray Binaries, Gamma-Ray, Neutron Stars, Black Holes

Scientific paper

The discovery of TeV γ-rays emission from the X-ray binary LS 5039 by the H.E.S.S. collaboration reveals that particles can be accelerated to very high energies (VHE) in these systems. LS 5039 is composed of massive star and an unknown compact objet, neutron star or black hole, in a 3.9 day orbit. Particle acceleration could occur in a relativistic jet or at the termination shock of a pulsar wind. Pair production of γ-rays with stellar photons will lead to an orbital modulation of the TeV flux if the VHE emission occurs close to the star. LS 5039 is a fascinating illustration of how much Einstein's legacy has become a staple of astrophysics a century from 1905.

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