外部連結
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- [http://www.solstation.com/stars2/18sco.htm NASA article on 18 Scorpii]
*[http://www.stellar-database.com/Scripts/search_star.exe?Name=18+scorpii 18 Scorpii entry in the stellar database]
*[https://web.archive.org/web/20081012061747/http://www.lowell.edu/media/releases.php?release=20070215 Astronomers Measure Sun-Like Brightness Changes of the Solar Twin, 18 Scorpii]
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