Direct Hrc-I Imaging of the Colliding Winds Shock in WR 147

Details Direct Hrc-I Imaging of the Colliding Winds Shock in WR 147 Direct Hrc-I Imaging of the Colliding Winds Shock in WR 147

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...26p&link_type=abstract

Chandra Proposal ID #01200272

Computer Science

Chandra Proposal Id #01200272

Scientific paper

Colliding stellar winds in early-type binary systems produce a complex region of shock-heated plasma with temperatures in excess of 10^7 K, with the strongest X-ray emission from systems containing Wolf-Rayet (WR) stars. Only in X-rays do we directly see the shocked gas from the wind collision. Recent high spatial resolution radio observations of WR 147 have revealed two sources 0.6" apart, which are believed to be the WR-star and the wind collision shock, both of which will be X-ray sources. These two sources will be resolvable in a 5ksec observation with the HRC-I. This observation will provide the first direct imaging of hot shocked gas in an early-type binary, unambiguously verifying that the enhanced X-ray emission in early-type binaries is due to a colliding winds shock.

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