CAOSP abstracts, Volume: 38, No.: 2, year: 2008

Abstract: We present the results of modeling the atmosphere of one of the extreme magnetic CP star HD 137509, which has the mean surface magnetic field module of about 29 kG. Such a strong field, as well as clearly observed abundance peculiarities, make this star one of the most preferable target for testing our assumptions about the atmospheric structure of magnetic stars. The calculations presented are based on resent version of the LLMODELS stellar model atmosphere code which accounts for full treatment of Zeeman splitting of spectral lines and polarized radiative transfer.

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Last update: April 17, 2008