Scattering between close-in super-Earths and secularly perturbed cold planets can launch some planets into free-floating orbits.
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4 Pith papers cite this work. Polarity classification is still indexing.
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2026 4verdicts
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Microlensing-inferred free-floating planets plus bound planets require more mass than protoplanetary disks supply, even at 100% conversion efficiency, potentially creating a crisis if the mass function is bottom-heavy.
Three new planets detected via 2023 KMTNet microlensing with mass ratios log q ~ -1.9, -2.0, -2.6; overall 2023 sample of 25 planets matches prior mass-ratio distribution.
Analyses of ten microlensing events identify candidate brown dwarf companions in binary systems, with two events suggesting brown dwarf binaries.
citing papers explorer
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Candidate Microlensing Brown Dwarfs in Binary Lens Systems from the 2023--2025 Observing Seasons
Analyses of ten microlensing events identify candidate brown dwarf companions in binary systems, with two events suggesting brown dwarf binaries.