HD 158450: A MAGNETIC CHEMICALLY PECULIAR STAR IN A YOUNG STELLAR GROUP
In: Odessa Astronomical Publications; Том 21 (2008); 35-36; 1810-4215; (2008)
Online
Elektronische Ressource
We report on the discovery of the Zeeman resolved spectral lines, corresponding to the very large magnetic field modulus [H] = 11.1 kG, in the spectrum of the chemically peculiar star HD 158450 belonging to the recently discovered Mamajek 2 stellar group. We determined fundamental parameters and projected rotation velocity of the star. Dynamical 3D mean orbit calculations showed that Mamajek 2 stellar group has an age of 135+-5 Myr. Based on this age, we estimate that HD 158450 has completed about 12of its main-sequence life. The importance of the detailed study of HD 158450, a member of a stellar group with a well determined age, for understanding the origin and evolution of stellar magnetic fields is discussed.
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HD 158450: A MAGNETIC CHEMICALLY PECULIAR STAR IN A YOUNG STELLAR GROUP
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Quelle: | Odessa Astronomical Publications; Том 21 (2008); 35-36; 1810-4215; (2008) |
Veröffentlichung: | 2008 |
Medientyp: | Elektronische Ressource |
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