Nonlinear MESA-RSP Modeling of Delta Cephei: Period Matching, Amplitude Control, and Model-Acceptance Diagnostics

arXiv:2607.10498 · astro-ph.SR · Submitted 2026-07-11 · Read on arXiv

Zuhoor Elahi, Christopher Sirola, Wafa Gull

astro-ph.SR

Submitted: 2026-07-11

Comments: 20 pages, 7 figures, 5 tables

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

Terminology

• Calibration — 22× in this paper · explained in 7 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Modules for Experiments in Stellar Astrophysics — 3× in this paper
• Radial Stellar Pulsation — 3× in this paper
• Alignment — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Core — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• A multiphase study of theoretical and observed light curves of classical Cepheids in the Magellanic Clouds
• The light curve model fitting of LMC Cepheids: MESA-RSP versus Stellingwerf's code predictions
• Toward a Comprehensive Grid of Cepheid Models with MESA. III. Evolutionary and Pulsation Relations for Models with Core and Envelope Overshooting
• A Reproducible AAVSO Johnson-V Fourier Template for the Prototype Cepheid Delta Cephei
• Semi-Empirical Pulsation Reconstruction of Delta Cephei with Photometry, Radial Velocities, and Temperature Constraints
• Native-Opacity Sensitivity of a Fixed Delta Cephei MESA-RSP Pulsation Model

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