Modelling of three long-periodic magnetic CP-stars: HD 2453, HD 12288, and HD 200311

Details Modelling of three long-periodic magnetic CP-stars: HD 2453, HD 12288, and HD 200311 Modelling of three long-periodic magnetic CP-stars: HD 2453, HD 12288, and HD 200311

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..224..614g&link_type=abstract

The A-Star Puzzle, held in Poprad, Slovakia, July 8-13, 2004. Edited by J. Zverko, J. Ziznovsky, S.J. Adelman, and W.W. Weiss,

Physics

Stars: Chemical Peculiar Stars, Stars: Magnetic Field, Stars: Individual (Hd 2453, Hd 12288, Hd 200311).

Scientific paper

Using observational data published as phase curves of the effective magnetic field strength Be(P) and the surface field Bs(P), magnetic models of three stars with long rotational periods are calculated by the Magnetic Charge Distribution method. For two of these stars (HD 2453 and HD 12288), the structure of the magnetic field can be described well by a central dipole model. The third star (HD 200311) is better fitted by a model of a displaced dipole, being decentered by triangle r = 0.08 R along the dipole axis.

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