Host--Non-host Differences in Stellar Chemistry, Activity, and Birth Radius: Hints of Distinct Formation Environments for Earth-like Planets and Sub-Neptunes

arXiv:2608.07331 · astro-ph.SR, astro-ph.EP · Submitted 2026-08-07 · Read on arXiv

Xunzhou Chen, Tiancheng Sun, Yuxi, Lu, Liu Long, Zixuan Lu

Lucy · Lucy · Lucy

astro-ph.SR, astro-ph.EP

Submitted: 2026-08-07

Updated: 2026-08-10

Comments: 18 pages, 13 figures, accepted by ApJ

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

Terminology

• Abundance — 63× in this paper · explained in 1 episode
• Metallicity — 27× in this paper · explained in 3 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Core — 2× in this paper · explained in 2 episodes
• European Space Agency — 1× in this paper
• Forward modeling — 1× in this paper · explained in 2 episodes
• Homogeneity — 1× in this paper · explained in 2 episodes

Sources

• Extrasolar Carbon Planets
• The ESO SupJup Survey XI. Atmospheric properties of six isolated M- and L-type dwarfs with CRIRES+
• The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets

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