Pismis 18 is an intermediate-age (~700 Myr) inner-disc open cluster at ~7 kpc Galactocentric distance with [Fe/H] = +0.23, slightly super-solar [α/Fe] and s-process elements, and updated parameters from high-confidence members.
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The Gaia-ESO Survey: The inner disc, intermediate-age open cluster Pismis 18
Pismis 18 is an intermediate-age (~700 Myr) inner-disc open cluster at ~7 kpc Galactocentric distance with [Fe/H] = +0.23, slightly super-solar [α/Fe] and s-process elements, and updated parameters from high-confidence members.