PoS - Proceedings of Science
Volume 425 - The Multifaceted Universe: Theory and Observations - 2022 (MUTO2022) - Stars and interstellar medium
Statistical physical parameter properties of Ap/Bp-stars in the Orion OB1 Association
A.V. Moiseeva*, I. Romanyuk and V. Aitov
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Pre-published on: September 24, 2022
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Abstract
The article presents the results of physical parameters ($T_\mathrm{eff}$, $\log g$, $L$, $M$, $R$, $v_e \sin i$, $v_e$) study for chemically peculiar stars in the Orion OB1 association. Spectral material of circularly polarized radiation for all CP stars was obtained at the 6-m BTA telescope in the SAO RAS. As a result, no statistical differences were found between magnetic and non-magnetic CP stars of the association. The difference was found for the projection of rotation velocity parameter $v_e \sin i$. However, a detailed study of the equatorial velocity $v_e$ showed that the average value for magnetic does not differ from non-magnetic Ap/Bp stars.
DOI: https://doi.org/10.22323/1.425.0045
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