K‑Dwarfs as Habitable‑Planet Targets

Updated: 2026.01.08 20D ago 1 sources
Recent spectroscopic surveys of thousands of nearby K‑dwarf stars show they are abundant, long‑lived, and have spectral signatures that make characterization feasible; therefore K‑dwarfs should be reprioritized as high‑value targets for exoplanet habitability and biosignature searches. — Shifting telescope time, mission design, and funding toward K‑dwarf systems could materially change the near‑term search strategy for life, SETI priorities, and allocation of scarce observatory resources.

Sources

These Overlooked Stars Might Point to Livable Planets
Molly Glick 2026.01.08 100% relevant
The article reports Sebastián Carrazco‑Gaxiola’s survey of >2,000 K‑dwarfs within ~130 light‑years using spectrographs at Cerro Tololo and Fred Lawrence Whipple Observatory and emphasizes K‑dwarfs’ greater numbers and 15–45 Gyr lifetimes.
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