Unveiling the Origins and Dynamics of the Hierarchical Triple Star System CN Lyn
G. Yucel, V Bakis, R. Canbay, N. Alan, T. Banks, S. Bilir

TL;DR
This paper provides a comprehensive analysis of the hierarchical triple star system CN Lyn, revealing detailed stellar parameters, chemical compositions, and orbital dynamics, and suggesting the third star was captured from the Galactic halo.
Contribution
The study offers the first detailed characterization of CN Lyn's components, combining spectroscopic, photometric, and kinematic data to understand its origin and stability.
Findings
Eclipsing components have masses around 1.15 M_sun and are about 3.9 Gyr old.
Third component is metal-poor, older, and likely captured from the Galactic halo.
System is dynamically stable as a hierarchical triple.
Abstract
In this study we present a detailed analysis of CN Lyn, an overlooked triple star system, by combining spectroscopic data from the literature, photometric \textit{TESS} data, and kinematic techniques. We updated the fundamental parameters of the known eclipsing components in the system with high precision. The chemical composition of both eclipsing components (Aab) and the third component (B) in the system were calculated with great accuracy. According to our analysis the mass, radius, and metallicity of the eclipsing components are , , and dex for Aa and , , and dex for Ab. The pair's age is Gyr. The mass, radius, metallicity, and age for B are ,…
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomical Observations and Instrumentation · Astronomy and Astrophysical Research
