A search for magnetic fields in Be stars

Details A search for magnetic fields in Be stars A search for magnetic fields in Be stars

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...288..741b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 288, Jan. 15, 1985, p. 741-745. Research supported by the Natural Sciences

Astronomy and Astrophysics

Astrophysics

18

B Stars, Magnetic Measurement, Stellar Magnetic Fields, Astronomical Catalogs, H Lines, Stellar Envelopes, Stellar Models

Scientific paper

No mean longitudinal magnetic fields have been detected in a sample of 15 Be and related stars, with sigma approximately 70-250 gauss. These objects are thus magnetically indistinguishable from normal upper main-sequence stars. However, large surface fields could escape detection, depending upon field geometry and orientation. Models for Be envelopes which require predominantly toroidal fields are not seriously constrained by these observed limits on effective field strength. Circumstantial evidence suggests that many Be stars may indeed be magnetic; accordingly, future more rigorous searches for fields are desirable.

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