Pulsations and magnetic fields in early B-type stars

Details Pulsations and magnetic fields in early B-type stars Pulsations and magnetic fields in early B-type stars

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sf2a.conf..477n&link_type=abstract

SF2A-2002: Semaine de l'Astrophysique Francaise, meeting held in Paris, France, June 24-29, 2002, Eds.: F. Combes and D. Barret,

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Non-radial pulsations (NRPs) and magnetic field have been proposed as possible mechanisms to explain the episodic ejection of material observed in Be stars. Multiperiodicity has been detected in line-profile variations of Be stars and has been generally attributed to NRPs. Up to now, only beta Cep is known to be a Be star hosting a magnetic field. However, a magnetic field has been detected in two other early-B types stars. Together with beta Cep they are the only 3 magnetic early-B stars discovered, but this new class of objects gives hope in the search for magnetic field in Be stars.

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