A search for magnetic fields in Lambda Bootis stars

Details A search for magnetic fields in Lambda Bootis stars A search for magnetic fields in Lambda Bootis stars

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.247..606b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 247, Dec. 15, 1990, p. 606-610. NSERC-supported researc

Astronomy and Astrophysics

Astronomy

41

A Stars, Early Stars, F Stars, Peculiar Stars, Stellar Magnetic Fields, Zeeman Effect, Balmer Series, Stellar Atmospheres, Stellar Composition, Stellar Spectra

Scientific paper

A search was conducted in a sample of Lambda Boo stars for magnetic fields similar to those observed in the magnetic Ap and Bp stars, using a Balmer-line Zeeman analyzer. Apart from one dubious measurement, no fields are detected in the sample. It appears that magnetic fields of the Lambda Boo stars, if they exist, are significantly smaller than those found in magnetic upper main-sequence stars of similar spectral type; this conclusion is supported at about the 90 or 95 percent confidence level by the present data.

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