A closer look at the WISPIT 2 host star. Evidence for a spectroscopic binary

arXiv:2607.22405 · astro-ph.EP, astro-ph.SR · Submitted 2026-08-24 · Read on arXiv

Cade J. Bürgy, Myriam Benisty, Hala Alqubelat, Carlo F. Manara, Stefano Facchini

astro-ph.EP, astro-ph.SR

Submitted: 2026-08-24

Updated: 2026-08-25

Comments: Submitted to A&A

Code: https://github.com/RikClaes/FRAPPE

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

Terminology

• Benchmark — 3× in this paper · explained in 2 episodes
• European Research Council — 2× in this paper
• Trace — 2× 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
• Markov Chain Monte Carlo — 1× in this paper
• Max-Planck Institute for Astronomy — 1× in this paper
• Metallicity — 1× in this paper · explained in 3 episodes
• Population Synthesis — 1× in this paper · explained in 2 episodes
• alpha — 1× in this paper · explained in 1 episode

Related papers

• PDS 70 c and SR 12 c: Observational Constraints on Giant-Planet and Satellite Formation
• Two-stage disruption of resonant chains
• Detectability of resolved hydrogen lines from the accretion shock at gas giants and their CPDs
• Binary-lens Microlensing Degeneracy: Impact on Planetary Sensitivity and Mass-ratio Function
• Atmospheric escape fractionates secondary but not primary atmospheres
• The Occurrence Rate of Nearby Planetary Companions to Hot Jupiters