Gaia-ESO Survey. Trumpler 23

Trumpler 23 is a moderately populated, intermediate-age open cluster within the solar circle at a R_GC_~6kpc. It is in a crowded field very close to the Galactic plane and the...特伦普勒23（Trumpler 23）是一个成员星数量适中、年龄处于中等阶段的疏散星团（open cluster），位于银心距（R_GC）约6千秒差距（kpc）的太阳圆周范围内。该星团处于紧邻银道面（Galactic plane）的拥挤星场中，且……