Altair

Altair 

Most abundant chemical- not found. the star is a delta scuti variable

Location-19^h 50^m 46.99855^s
                    +08° 52′ 05.9563

Emission spectrum- not available

stellar classification-A7V

https://en.wikipedia.org/wiki/Altair

http://astropixels.com/stars/Altair-01.html

Sources-http://bado-shanai.net/Astrogation/astrogAltair.htm