An apparent universal magnetic constant for cool stars

Details An apparent universal magnetic constant for cool stars An apparent universal magnetic constant for cool stars

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pasp...97..719g&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 97, Aug. 1985, p. 719-724. NSERC-supported research.

Statistics

Computation

12

Computational Astrophysics, Cool Stars, Dwarf Stars, Stellar Magnetic Fields, Zeeman Effect, Constants, Error Analysis, G Stars, K Stars, Radial Velocity, Spectral Energy Distribution, Stellar Rotation

Scientific paper

Zeeman broadening measurements are examined for G and K dwarfs, revealing a remarkable relation between B, the magnetic field strength, and A-sub-zero, the areal coverage factor. The product BA-sub-zero is a constant independent of physical parameters such as spectral type and rotational velocity. If this is not an artifact of the measuring or reduction techniques, the number of magnetic field lines, when averaged over the star, is a universal magnetic constant for cool stars.

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