Enhanced polarization in the CA II K line of the Be star Kappa DRA

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B Stars, K Lines, Line Spectra, Polarimetry, Stellar Spectra, Calcium, Linear Polarization, Stellar Atmospheres, Stokes Law Of Radiation

Scientific paper

Spectropolarimetric observations of κ Dra reveal an enhancement of the linear polarization at the centre of the Ca II K line in relation to the nearby continuum, this being the first report of such an effect in a Be star other than for the Balmer lines. In keeping with previous observations, no polarizational change was detected across Hβ for this star.

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