The polarimetric orbit of Z Andromedae.

Details The polarimetric orbit of Z Andromedae. The polarimetric orbit of Z Andromedae.

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...327..219s&link_type=abstract

Astronomy and Astrophysics, v.327, p.219-223

Astronomy and Astrophysics

Astrophysics

33

Binaries: Symbiotic, Circumstellar Matter, Scattering, Polarization, Stars: Individual: Z And

Scientific paper

Repeated Raman line polarimetry of the Z And symbiotic system shows that both the percent polarization, and the polarization angle, are locked to the binary motion. It is thus possible to determine the otherwise unobservable system inclination and orbit orientation on the celestial sphere. We find an inclination of i=47+/-12° and an orbit orientation {OMEGA}=72+/-6°. Inserting the inclination in the previously known mass function yields a most likely mass of the stellar hot component of about 0.65Msun_ which is typical for a single white dwarf.

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