Determining the parameters of the low accretion rate polar V379 Vir

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Published: Jun 23, 2024
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cataclysmic variables novae stars: individual: V379 Vir

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Mikhail Suslikov
Kazan (Volga Region) Federal University, Kremlyovskaya 18, Kazan 420008, Russian Federation
Alexandr Kolbin
Kazan (Volga Region) Federal University, Kremlyovskaya 18, Kazan 420008, Russian Federation; Special Astrophysical Observatory of the Russian Academy of Sciences, Nizhnij Arkhyz 369167, Karachai-Cherkessian Republic, Russian Federation

Abstract

This paper presents a determination of the parameters of the low accretion rate polar V379 Vir. Using data from the ground-based and space observatories, we obtained the spectral energy distribution in a wide spectral range, corrected for interstellar absorption. Modeling this distribution allowed us to determine the mass and effective temperature of the white dwarf: M1 = 0.628 ± 0.009 M⊙, Teff = 11250 ± 70 K. Based on the semi-amplitude of the radial velocities of the secondary component’s irradiated surface, we estimated its mass M2 ≈ 0.027 M⊙ and the inclination of the orbital plane i = 50 ± 5°.

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How to Cite
Suslikov M., Kolbin A., 2024. Acta Astrophysica Taurica, vol. 5, no. 2, pp. 17–20. Available at: https://astrophysicatauricum.org/index.php/aat/article/view/78 (Accessed: 3 December 2024)
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Vol. 5 No. 2 (2024)
Section
Magnetism and activity of the Sun and stars – 2021 Conference proceedings
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