Similar Cases

w Cen similar in Cu and s-process (Lloyd Evans 1983, Smith et al.2000, Cunha et al. 2002) -alphas,Na,Al differ => different evolution
Fornax has one s-process enriched star (Shetrone et al 2003)

w Cen similar in Cu and s-process (Lloyd Evans 1983, Smith et al.2000, Cunha et al. 2002) -alphas,Na,Al differ => different evolution