Other
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993hst..prop.4372p&link_type=abstract
HST Proposal ID #4372
Other
Hst Proposal Id #4372
Scientific paper
We propose to obtain FOS spectropolarimetric spectroscopic observations of the interacting binary system V356 Sgr in primary eclipse and outside of eclipse to establish the degree to which the UV emission lines and the excess continuum flux seen in these binary systems is polarized. Analysis of the derived line and continuum polarization will yield information on the location of the emission line formation region, the role of electron scattering in the observed broad line widths, and insight into the geometry and electron density of the scattered light continuum. If the observations show polarization of the lines or the continuum (other than interstellar), then the origin of the excess UV light in V356 Sgr, and more importantly, the origin of the strong UV resonance lines seen in virtually all semi-detached, interacting systems, can be understood.
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