An Atlas of Zeeman Polarisation in the Spectrum of Beta Coronae Borealis

Details An Atlas of Zeeman Polarisation in the Spectrum of Beta Coronae Borealis An Atlas of Zeeman Polarisation in the Spectrum of Beta Coronae Borealis

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999apn....32...13w&link_type=abstract

A Peculiar Newsletter, vol. 32, p. 13-28, P. North (ed.)

Computer Science

Stars: Magnetic Fields, Line: Polarisation, Stars: Chemically Peculiar

Scientific paper

I present an atlas of the Zeeman spectral line polarisation of the cool F0p star beta CrB based on MuSiCoS spectropolarimetry. Stokes I, V, Q and U spectra in selected regions of the 450-660 nm MuSiCoS bandpass are shown at sufficient display resolution so as to be suitable for the identification of individual spectral features. This is forseen as being useful, for example, in the planning of very high resolution spectropolarimetric studies of Ap star Zeeman signatures using high-dispersion instruments likely to have significantly smaller spectral bandwidth. I have also compiled a table identifying the spectral features observed to exhibit the strongest linear polarisation signatures.

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