Astronomy and Astrophysics – Astronomy
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.238..261k&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 238, May 1, 1989, p. 261-268. Research supported by the
Astronomy and Astrophysics
Astronomy
24
A Stars, Peculiar Stars, Stellar Oscillations, Ephemeris Time, Fourier Analysis, Magnetic Signatures, Stellar Rotation
Scientific paper
The magnetic field measurements for Beta CrB from 1950 to 1980 are subjected to Fourier analysis in order to determine whether or not the star is a rapidly oscillating Ap star. The analysis gives the ephemeris JD(magnetic maximum) = 2434204.7 + 18.4868 E. Fourier analyses of individual sets of magnetic observations show little evidence for a nonsinusoidal component to the magnetic curves. It is found that there is little statistical support for secular variation of the magnetic field of Beta CrB. In addition, the search for rapid oscillations in the star is discussed.
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