Study of stellar polarization with the CERGA interferometer

Details Study of stellar polarization with the CERGA interferometer Study of stellar polarization with the CERGA interferometer

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...101..352v&link_type=abstract

Astronomy and Astrophysics, vol. 101, no. 3, Sept. 1981, p. 352-355.

Astronomy and Astrophysics

Astrophysics

9

Interferometry, Polarized Light, Stellar Atmospheres, Stellar Radiation, Diffraction Patterns, Polarization (Waves), Stellar Magnetic Fields, Zeeman Effect

Scientific paper

The interferometer at CERGA was used to detect scattering effects in stellar atmospheres. Fringes were observed on Alpha Lyrae both in natural and linearly polarized light; the apparent diameter of this star did not change significantly in the two orthogonal planes of polarization at 6400 A. It is concluded that the next-generation interferometer with single apertures of 1.5 m should provide new information on stellar atmospheres and magnetic fields.

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