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Paper: Rotation in the ZAMS: Be and Bn stars
Volume: 361, Active OB-Stars: Laboratories For Stellar and Circumstellar Physics
Page: 539
Authors: Zorec, J.; Fremat, Y.; Martayan, C.; Cidale, L.S.; Torres, A.F.
Abstract: We show that Be stars belong to a high velocity tail of a single B-type star rotational velocity distribution in the MS. This implies that: 1) the number fraction N(Be)/N(Be+B) is independent of the mass; 2) Bn stars having ZAMS rotational velocities higher than a given limit might become Be stars.
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