Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Observed correlations between aluminium and the light elements O, Mg, and Si in giant stars. The symbols and colours are the same as in Fig. 7. The black cross in the top right corner of each panel represents the typical error on the abundances.
