Polarization variability in the interacting Be binary CX Draconis

Details Polarization variability in the interacting Be binary CX Draconis Polarization variability in the interacting Be binary CX Draconis

Oct 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...394..181b&link_type=abstract

Astronomy and Astrophysics, v.394, p.181-186 (2002)

Astronomy and Astrophysics

Astrophysics

4

Stars: Binaries: Close, Stars: Emission Line, Be, Stars: Individual: Cx Dra

Scientific paper

We present new UBVRI polarization measurements of the interacting Be binary CX Dra. On time scale of several weeks polarization variations clearly correlate with the binary orbital motion. Long term changes in polarization are seen in the course of several months. Analysis of the periodic component of polarization gives orbital inclination i =~ 73degr which is substantially higher than values previously reported in the literature (55degr ). Our two datasets obtained about 9 months apart reveal significant changes in the distribution of the scattering material of the circumbinary envelope.

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