18 Scorpii

18 Scorpii

Most abundant chemical- hydrogen 73.56%, helium 24.45% 

Location-16^h 15^m 37.26946^s[1]
                –08° 22′ 09.9870

Emission spectrum-

http://www.astronomynotes.com/light/s7.htm

Stellar classification- G2VA

http://www.daviddarling.info/encyclopedia/A/18Scorpii.html

http://jumk.de/astronomie/special-stars/18-scorpii.shtml

Sources

http://bado-shanai.net/Astrogation/astrog18Scorpii.htm