The Shock Cones and Underlying Stars in Interacting Wolf-Rayet Binaries

Details The Shock Cones and Underlying Stars in Interacting Wolf-Rayet Binaries The Shock Cones and Underlying Stars in Interacting Wolf-Rayet Binaries

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999hst..prop.8227s&link_type=abstract

HST Proposal ID #8227

Astronomy and Astrophysics

Astronomy

Hst Proposal Id #8227 Binary Stars

Scientific paper

We are proposing STIS longslit spectroscopy of 3 HST-resolved Wolf-Rayet binary stars. Our HST/WFPC2 Cycle 6 and 7 SNAP proposals clearly resolve these 3 Wolf-Rayet {WR} stars with previously suspected or debated companions. From ground-based radio data, two of these WR stars are also known to be strong emitters of non-thermal radiation. Our 1998 Astronomical Journal paper conclusively linked these two traits, demonstrating the coincidence of location of the non-thermal emission with the wind interaction region {bow shock head} between each pair. STIS spectra will provide clear determinations of the natures of each of the components of these 3 close WR binaries, and possibly, their wind collision regions.

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