The magnetic field structure of the slowly rotating CP star HD188041

Details The magnetic field structure of the slowly rotating CP star HD188041 The magnetic field structure of the slowly rotating CP star HD188041

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coska..38..409g&link_type=abstract

Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 38, no. 2, p. 409-410.

Astronomy and Astrophysics

Astronomy

Stars: Magnetic, Stars: Rotation, Methods: Analytical, Stars: Individual: Hd 188041

Scientific paper

The slowly rotating CPstar HD188041 is subjected to an analysis of its magnetic field structure by the modelling method of the Magnetic Charge Distribution (MCD), using the photographic measurements of Babcock. The first attempt to fit Babcock's observational results to a model of a central magnetic dipole gives two possible solutions for the angle between the magnetic and rotational axes β1 = 6° or β2 = 76.8° corresponding to inclination angles i1 = 80.5° and i2 = 14°. With a decentralization of the dipole, the fitting of the phase curve of Beff to the data by minimizing the sum of the quadratic deviations could be improved, while changing i and β only slightly.

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