Polarization measurements of Beta CEP stars

Details Polarization measurements of Beta CEP stars Polarization measurements of Beta CEP stars

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...161..412c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 161, no. 2, June 1986, p. 412-416.

Astronomy and Astrophysics

Astronomy

3

Cepheid Variables, Periodic Variations, Polarimetry, H Beta Line, Stellar Oscillations, Ultraviolet Astronomy, Ultraviolet Photometry

Scientific paper

Polarimetric measurements are reported for three β Cephei stars, β Cru, α Vir and σ Sco. Although the data analysis suggests that periodicities close to fundamental photometric variations are present at a statistically significant level, these are shown to be spurious resulting from the way the measurements have been assembled, covering a few hours observation per night on a small number of nights. There is, however, an indication that α Vir is displaying a variable polarization possibly connected either with its instability or its binary nature.

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