Exploring the radial velocity variations of RY Lup with VLT/ESPRESSO: Binary versus spot hypotheses

arXiv:2607.26803 · astro-ph.EP, astro-ph.SR · Submitted 2026-07-29 · Read on arXiv

Hala Alqubelat, Claudia Di Maio, Antonio Frasca, Carlo F. Manara, Monika G. Petr-Gotzens, Enrico Ragusa, Evelyne Alecian, Louise D. Nielsen, Lisa Drouglazet, Justyn Campbell-White

astro-ph.EP, astro-ph.SR

Submitted: 2026-07-29

Comments: Accepted by A&A

Project page: https://folsomcp.github.io/specpolFlow

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

Terminology

• Abundance — 2× in this paper · explained in 1 episode
• Consistency — 2× in this paper · explained in 3 episodes
• Degeneracy — 2× in this paper · explained in 3 episodes
• Doppler Imaging — 2× in this paper
• Trace — 2× in this paper · explained in 2 episodes
• Active Regions — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Generalised Lomb-Scargle — 1× in this paper
• Robustness — 1× in this paper · explained in 5 episodes

Sources

• Dynamical Mass Constraints on Transition Disk Perturbers with the G23H Catalog

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