The linear polarization of BY Draconis

Details The linear polarization of BY Draconis The linear polarization of BY Draconis

Feb 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...204l..47k&link_type=abstract

Astrophysical Journal, vol. 204, Feb. 15, 1976, pt. 2, p. L47-L49.

Other

14

Binary Stars, M Stars, Optical Polarization, Monochromatic Radiation, Polarized Light, Stellar Spectrophotometry

Scientific paper

The paper reports four-bandpass linear-polarization measurements for the flare star BY Dra. A chi-square test shows that the red polarization is intrinsically variable in the U parameter at a confidence level greater than 99%, but no statistically significant variation is detected in the Q parameter. It is found that the variability is not correlated with either rotational or Keplerian phase. The observations in the other three bandpasses (yellow, blue, ultraviolet) are used to suggest a polarization spectrum that climbs steeply toward shorter wavelengths.

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