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Haining Li et al 2018 ApJS 238 16

A search for very metal-poor ([Fe/H]<-2.0) stars in the Milky Way resulted in a sample of 10,008 stars — the largest number of candidates to date that are bright enough for high-resolution follow-up with 4–10 m telescopes.

Brett M. Morris et al 2018 AJ 156 203

Individual observations suggest starspots are co-located with bright plages in the chromosphere of a G1 star, as with the Sun; in contrast, starspots and plages do not appear to be co-located on two observed K stars.

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