Chemical composition and magnetic fields of Ap stars

Details Chemical composition and magnetic fields of Ap stars Chemical composition and magnetic fields of Ap stars

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004mast.conf..216b&link_type=abstract

Magnetic stars, Proceedings of the International Conference, held in the Special Astrophysical Observatory of the Russian AS, Au

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

We analyzed properties of 352 chemically peculiar A and B stars in the catalog of averaged quadratic effective magnetic fields, including Am, ApSi, He-weak, He-rich, HgMn, ApSrCrEu, and all ApSr type stars. It is shown quantitatively that both the integrated number distribution function and the distribution function of all chemically peculiar (CP) stars vs. averaged magnetic field strength are well approximated by decreasing exponential functions, at least, above about 100 G. Relations of this type hold also for most of the analyzed sub classes of chemical peculiarity. We have also found that the strength of the intrinsic surface magnetism depends on the chemical peculiarity class.

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