A magnetic study of spotted UV Ceti flare stars and related late-type dwarfs

Details A magnetic study of spotted UV Ceti flare stars and related late-type dwarfs A magnetic study of spotted UV Ceti flare stars and related late-type dwarfs

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..567v&link_type=abstract

Astrophysical Journal, Part 1, vol. 240, Sept. 1, 1980, p. 567-584.

Astronomy and Astrophysics

Astrophysics

54

Dwarf Stars, Flare Stars, Late Stars, Magnetic Stars, Stellar Spectra, T Tauri Stars, Zeeman Effect

Scientific paper

A multichannel photoelectric Zeeman analyzer has been used to investigate the magnetic nature of the spotted UV Ceti flare stars. Magnetic observations were obtained on a sample of 19 program objects, of which 5 were currently spotted dKe-dMe stars, 7 were normal dK-dM stars, 7 were UV Ceti flare stars, and 1 was a possible post-T Tauri star. Contrary to most previously published observations and theoretical expectations, no magnetic fields were detected on any of these objects from either the absorption lines or the H-alpha emission line down to an observational uncertainty level of 100-160 gauss (standard deviation).

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