A Survey of X-ray Emission from Nitrogen-rich Wolf-Rayet Stars

Details A Survey of X-ray Emission from Nitrogen-rich Wolf-Rayet Stars A Survey of X-ray Emission from Nitrogen-rich Wolf-Rayet Stars

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007cxo..prop.2331s&link_type=abstract

Chandra Proposal ID #09200255

Computer Science

Chandra Proposal Id #09200255

Scientific paper

The winds of Wolf-Rayet (WR) stars enrich the ISM with heavy elements that will be recycled into future generations of stars and WR stars end their lives as supernovae, creating powerful shock waves that will trigger new star formation. Previous X-ray studies of WR stars have focused on X-ray bright WR+O binary systems and little is known about the origin of X-ray emission from single WR stars. We propose to conduct a limited survey of the closest known single nitrogen-rich (WN subtype) Wolf-Rayet stars. This study will complement a parallel survey of more evolved carbon-rich (WC subtype) WR stars now underway. This pilot survey will break new ground and will provide basic information on X-ray properties needed to test wind-shock theories.

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