The rotation of 53 Be stars

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Stars - Be Stars Rotation

Scientific paper

Through spectral observations we obtained the rotational velocity Vsini for 53 Be stars, and estimated the values of V and i on the basis of Hutching's method. We analysed the effect of rotation on the width of emission lines and used the emission peak separation to determine the relative size of the shell and the photosphere and the dilution factor. We discuss in depth fast rotating models where stellar winds are present and their relation to the Be phenomenon.

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