Title: Gamma-ray Emission from Colliding Stellar Winds in Long-Period Wolf-Rayet Binary Systems
Proposal ID: 0120088
Subject category: Others
Principal investigator: Stevens
Institute: University of Birmingham
Abstract
We wish to observe several long period Wolf-Rayet colliding wind binary systems,
namely WR140 (HD193793),
WR146 and WR147 at gamma-ray energies. These sorts
of systems have been mooted as likely gamma-ray sources,
though none has yet been
unambiguosly detected (though WR140 is a likely EGRET source). Inverse Compton
emission, associated with shock accelerated electrons will be the dominant emission
mechanism. These
INTEGRAL observations are highly likely to detect these sources,
and in turn, provide substantial insight
into the enrgetic non-thermal processes in
such systems.