Asteroseismic Analysis of the Merger Product Red Giant in the gamma Persei System

arXiv:2607.01955 · astro-ph.SR · Submitted 2026-07-02 · Read on arXiv

Rozália Z. Ádám, László Molnár, Róbert Szabó, Csilla Kalup, Frank Grundahl, Daniel Huber, Mads Skakke Fredslund, Pere L. Pallé, Dóra Tarczay-Nehéz, Jonatan Rudrasingam

ELTE Eötvös Loránd University, Institute of Physics and Astronomy · MTA-HUN-REN CSFK Lendület Momentum Stellar Pulsation Research Group · MTA-HUN-REN CSFK Lendület Momentum Stellar Pulsation Research Group · ELTE Eötvös Loránd University, Institute of Physics and Astronomy · Stellar Astrophysics Centre · Institute for Astronomy, University of Hawai'i · Stellar Astrophysics Centre · Universidad de La Laguna · ELTE Eötvös Loránd University, Institute of Physics and Astronomy · School of Mathematical and Physical Sciences, Macquarie University

astro-ph.SR

Submitted: 2026-07-02

Comments: 22 pages, 20 figures, 6 tables

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Stellar Observations Network Group — 3× in this paper
• Transiting Exoplanet Survey Satellite — 3× in this paper
• Aperture — 2× in this paper · explained in 1 episode
• Aperture Photometry — 2× in this paper · explained in 1 episode
• Metallicity — 2× in this paper · explained in 3 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Calibration — 1× in this paper · explained in 7 episodes
• Core — 1× in this paper · explained in 2 episodes
• Gaussian Processes (GPs) — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Over-smoothing — 1× in this paper · explained in 4 episodes
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• RV$\times$TESS I: Modeling Asteroseismic Signals with Simultaneous Photometry and RVs
• A blue-straggler merger scenario origin for the $\gamma$~Persei binary system

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