Sirius

Sirius A: 

Chemical Makeup: 71.5% Hydrogen, 28.5% Helium, 2.7% other

Location in Space: 06h 45m 08.91728s[2]−16° 42′ 58.0171″[2]

Stellar Classification:A1V

Spectrum Analysis: 

http://www.sydneyobservatory.com.au/author/nick-lomb/page/96/

http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1981ApJ...248.1031B&db_key=AST&page_ind=2&data_type=GIF&type=SCREEN_VIEW&classic=YES